./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label28.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_label28.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ac32c376f816320ca3aac8b16cdfd984f37d577 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_label28.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 8ac32c376f816320ca3aac8b16cdfd984f37d577 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:58:46,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:58:46,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:58:46,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:58:46,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:58:46,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:58:46,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:58:46,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:58:46,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:58:46,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:58:46,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:58:46,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:58:46,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:58:46,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:58:46,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:58:46,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:58:46,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:58:46,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:58:46,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:58:46,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:58:46,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:58:46,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:58:46,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:58:46,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:58:46,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:58:46,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:58:46,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:58:46,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:58:46,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:58:46,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:58:46,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:58:46,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:58:46,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:58:46,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:58:46,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:58:46,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:58:46,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:58:46,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:58:46,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:58:46,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:58:46,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:58:46,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:58:46,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:58:46,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:58:46,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:58:46,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:58:46,238 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:58:46,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:58:46,241 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:58:46,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:58:46,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:58:46,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:58:46,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:58:46,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:58:46,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:58:46,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:58:46,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:58:46,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:58:46,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:58:46,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:58:46,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:58:46,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:58:46,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:58:46,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:58:46,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:58:46,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:58:46,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:58:46,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:58:46,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:58:46,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:58:46,255 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 -> 8ac32c376f816320ca3aac8b16cdfd984f37d577 [2019-11-27 15:58:46,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:58:46,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:58:46,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:58:46,849 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:58:46,851 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:58:46,852 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label28.c [2019-11-27 15:58:47,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/476e309f5/e28ddea99ddf4847be73005a27439b9f/FLAG62f318272 [2019-11-27 15:58:48,466 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:58:48,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label28.c [2019-11-27 15:58:48,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/476e309f5/e28ddea99ddf4847be73005a27439b9f/FLAG62f318272 [2019-11-27 15:58:48,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/476e309f5/e28ddea99ddf4847be73005a27439b9f [2019-11-27 15:58:48,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:58:48,580 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:58:48,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:48,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:58:48,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:58:48,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:48" (1/1) ... [2019-11-27 15:58:48,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:48, skipping insertion in model container [2019-11-27 15:58:48,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:48" (1/1) ... [2019-11-27 15:58:48,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:58:48,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:58:50,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:50,424 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:58:50,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:50,919 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:58:50,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:50 WrapperNode [2019-11-27 15:58:50,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:50,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:50,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:58:50,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:58:50,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:50" (1/1) ... [2019-11-27 15:58:51,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:50" (1/1) ... [2019-11-27 15:58:51,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:51,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:58:51,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:58:51,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:58:51,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:50" (1/1) ... [2019-11-27 15:58:51,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:50" (1/1) ... [2019-11-27 15:58:51,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:50" (1/1) ... [2019-11-27 15:58:51,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:50" (1/1) ... [2019-11-27 15:58:51,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:50" (1/1) ... [2019-11-27 15:58:51,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:50" (1/1) ... [2019-11-27 15:58:51,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:50" (1/1) ... [2019-11-27 15:58:51,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:58:51,688 INFO L168 Benchmark]: Toolchain (without parser) took 3101.70 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 892.4 MB in the end (delta: 63.5 MB). Peak memory consumption was 63.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:51,689 INFO L168 Benchmark]: CDTParser took 1.50 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 15:58:51,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2340.87 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 932.5 MB in the end (delta: 23.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:51,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 338.14 ms. Allocated memory is still 1.0 GB. Free memory was 932.5 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 15:58:51,699 INFO L168 Benchmark]: Boogie Preprocessor took 413.87 ms. Allocated memory is still 1.0 GB. Free memory was 909.6 MB in the beginning and 892.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:51,712 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.50 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 2340.87 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 932.5 MB in the end (delta: 23.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 338.14 ms. Allocated memory is still 1.0 GB. Free memory was 932.5 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 413.87 ms. Allocated memory is still 1.0 GB. Free memory was 909.6 MB in the beginning and 892.4 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 0.1.24-509859d [2019-11-27 15:58:55,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:58:55,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:58:55,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:58:55,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:58:55,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:58:55,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:58:55,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:58:55,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:58:55,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:58:55,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:58:55,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:58:55,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:58:55,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:58:55,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:58:55,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:58:55,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:58:55,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:58:55,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:58:55,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:58:55,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:58:55,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:58:55,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:58:55,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:58:55,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:58:55,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:58:55,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:58:55,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:58:55,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:58:55,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:58:55,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:58:55,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:58:55,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:58:55,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:58:55,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:58:55,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:58:55,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:58:55,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:58:55,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:58:55,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:58:55,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:58:55,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:58:55,884 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:58:55,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:58:55,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:58:55,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:58:55,889 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:58:55,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:58:55,889 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:58:55,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:58:55,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:58:55,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:58:55,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:58:55,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:58:55,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:58:55,895 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:58:55,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:58:55,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:58:55,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:58:55,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:58:55,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:58:55,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:58:55,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:58:55,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:58:55,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:58:55,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:58:55,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:58:55,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:58:55,901 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:58:55,903 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:58:55,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:58:55,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:58:55,905 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 -> 8ac32c376f816320ca3aac8b16cdfd984f37d577 [2019-11-27 15:58:56,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:58:56,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:58:56,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:58:56,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:58:56,501 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:58:56,503 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label28.c [2019-11-27 15:58:56,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2117a2118/c50a29495b984c25a61d7076749f59d8/FLAG1f8f0925c [2019-11-27 15:58:58,086 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:58:58,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label28.c [2019-11-27 15:58:58,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2117a2118/c50a29495b984c25a61d7076749f59d8/FLAG1f8f0925c [2019-11-27 15:58:58,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2117a2118/c50a29495b984c25a61d7076749f59d8 [2019-11-27 15:58:58,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:58:58,380 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:58:58,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:58,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:58:58,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:58:58,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:58" (1/1) ... [2019-11-27 15:58:58,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c02fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:58, skipping insertion in model container [2019-11-27 15:58:58,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:58" (1/1) ... [2019-11-27 15:58:58,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:58:58,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:59:00,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:00,410 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:59:00,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:01,028 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:59:01,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:01 WrapperNode [2019-11-27 15:59:01,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:01,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:59:01,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:59:01,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:59:01,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:01" (1/1) ... [2019-11-27 15:59:01,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:01" (1/1) ... [2019-11-27 15:59:01,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:59:01,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:59:01,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:59:01,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:59:01,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:01" (1/1) ... [2019-11-27 15:59:01,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:01" (1/1) ... [2019-11-27 15:59:01,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:01" (1/1) ... [2019-11-27 15:59:01,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:01" (1/1) ... [2019-11-27 15:59:01,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:01" (1/1) ... [2019-11-27 15:59:01,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:01" (1/1) ... [2019-11-27 15:59:01,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:01" (1/1) ... [2019-11-27 15:59:01,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:59:01,542 INFO L168 Benchmark]: Toolchain (without parser) took 3157.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 897.6 MB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:01,543 INFO L168 Benchmark]: CDTParser took 0.37 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 15:59:01,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2649.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 920.5 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:01,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 268.10 ms. Allocated memory is still 1.0 GB. Free memory was 920.5 MB in the beginning and 909.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:01,553 INFO L168 Benchmark]: Boogie Preprocessor took 231.77 ms. Allocated memory is still 1.0 GB. Free memory was 909.0 MB in the beginning and 897.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:01,562 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 2649.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 920.5 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 268.10 ms. Allocated memory is still 1.0 GB. Free memory was 920.5 MB in the beginning and 909.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 231.77 ms. Allocated memory is still 1.0 GB. Free memory was 909.0 MB in the beginning and 897.6 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...