./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem06_label12.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/Problem06_label12.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 df4a0a3aa3d39a687cb69018b7d25de3178e2ab4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem06_label12.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 df4a0a3aa3d39a687cb69018b7d25de3178e2ab4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:46:23,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:46:23,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:46:23,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:46:23,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:46:23,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:46:23,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:46:23,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:46:23,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:46:23,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:46:23,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:46:23,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:46:23,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:46:23,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:46:23,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:46:23,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:46:23,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:46:23,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:46:23,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:46:23,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:46:23,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:46:23,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:46:23,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:46:23,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:46:23,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:46:23,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:46:23,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:46:23,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:46:23,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:46:23,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:46:23,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:46:23,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:46:23,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:46:23,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:46:23,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:46:23,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:46:23,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:46:23,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:46:23,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:46:23,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:46:23,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:46:23,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:46:23,344 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:46:23,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:46:23,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:46:23,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:46:23,353 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:46:23,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:46:23,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:46:23,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:46:23,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:46:23,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:46:23,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:46:23,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:46:23,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:46:23,359 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:46:23,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:46:23,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:46:23,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:46:23,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:46:23,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:46:23,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:46:23,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:46:23,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:46:23,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:46:23,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:46:23,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:46:23,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:46:23,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:46:23,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:46:23,370 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 -> df4a0a3aa3d39a687cb69018b7d25de3178e2ab4 [2019-11-27 15:46:23,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:46:23,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:46:23,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:46:23,977 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:46:23,982 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:46:23,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem06_label12.c [2019-11-27 15:46:24,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9c082c48/5746f574a98644d7b5974d471e97b739/FLAGf33247b9c [2019-11-27 15:46:26,048 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:46:26,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem06_label12.c [2019-11-27 15:46:26,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9c082c48/5746f574a98644d7b5974d471e97b739/FLAGf33247b9c [2019-11-27 15:46:26,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9c082c48/5746f574a98644d7b5974d471e97b739 [2019-11-27 15:46:26,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:46:26,203 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:46:26,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:46:26,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:46:26,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:46:26,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:46:26" (1/1) ... [2019-11-27 15:46:26,228 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 03:46:26, skipping insertion in model container [2019-11-27 15:46:26,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:46:26" (1/1) ... [2019-11-27 15:46:26,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:46:26,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:46:31,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:46:31,206 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:46:33,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:46:33,956 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:46:33,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:33 WrapperNode [2019-11-27 15:46:33,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:46:33,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:46:33,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:46:33,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:46:33,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:33" (1/1) ... [2019-11-27 15:46:34,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:33" (1/1) ... [2019-11-27 15:46:34,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:46:34,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:46:34,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:46:34,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:46:34,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:33" (1/1) ... [2019-11-27 15:46:34,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:33" (1/1) ... [2019-11-27 15:46:34,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:33" (1/1) ... [2019-11-27 15:46:34,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:33" (1/1) ... [2019-11-27 15:46:35,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:33" (1/1) ... [2019-11-27 15:46:35,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:33" (1/1) ... [2019-11-27 15:46:35,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:33" (1/1) ... [2019-11-27 15:46:35,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:46:35,580 INFO L168 Benchmark]: Toolchain (without parser) took 9372.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 783.3 MB in the end (delta: 149.7 MB). Peak memory consumption was 149.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:46:35,581 INFO L168 Benchmark]: CDTParser took 0.33 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 15:46:35,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7757.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 906.6 MB in the end (delta: 26.4 MB). Peak memory consumption was 273.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:46:35,587 INFO L168 Benchmark]: Boogie Procedure Inliner took 749.80 ms. Allocated memory is still 1.0 GB. Free memory was 906.6 MB in the beginning and 833.7 MB in the end (delta: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:46:35,592 INFO L168 Benchmark]: Boogie Preprocessor took 856.71 ms. Allocated memory is still 1.0 GB. Free memory was 833.7 MB in the beginning and 783.3 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:46:35,604 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 7757.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 906.6 MB in the end (delta: 26.4 MB). Peak memory consumption was 273.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 749.80 ms. Allocated memory is still 1.0 GB. Free memory was 906.6 MB in the beginning and 833.7 MB in the end (delta: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 856.71 ms. Allocated memory is still 1.0 GB. Free memory was 833.7 MB in the beginning and 783.3 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 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 15:46:39,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:46:39,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:46:39,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:46:39,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:46:39,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:46:39,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:46:39,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:46:39,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:46:39,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:46:39,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:46:39,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:46:39,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:46:39,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:46:39,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:46:39,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:46:39,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:46:39,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:46:39,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:46:39,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:46:39,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:46:39,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:46:39,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:46:39,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:46:39,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:46:39,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:46:39,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:46:39,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:46:39,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:46:39,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:46:39,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:46:39,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:46:39,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:46:39,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:46:39,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:46:39,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:46:39,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:46:39,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:46:39,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:46:39,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:46:39,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:46:39,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:46:39,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:46:39,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:46:39,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:46:39,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:46:39,866 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:46:39,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:46:39,869 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:46:39,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:46:39,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:46:39,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:46:39,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:46:39,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:46:39,872 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:46:39,874 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:46:39,875 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:46:39,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:46:39,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:46:39,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:46:39,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:46:39,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:46:39,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:46:39,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:46:39,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:46:39,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:46:39,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:46:39,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:46:39,881 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:46:39,881 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:46:39,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:46:39,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:46:39,885 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 -> df4a0a3aa3d39a687cb69018b7d25de3178e2ab4 [2019-11-27 15:46:40,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:46:40,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:46:40,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:46:40,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:46:40,522 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:46:40,524 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem06_label12.c [2019-11-27 15:46:40,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e0ebfc8/3e66aae515e149a2831abf02b9cd7d73/FLAG237e8f179 [2019-11-27 15:46:42,650 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:46:42,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem06_label12.c [2019-11-27 15:46:42,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e0ebfc8/3e66aae515e149a2831abf02b9cd7d73/FLAG237e8f179 [2019-11-27 15:46:42,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e0ebfc8/3e66aae515e149a2831abf02b9cd7d73 [2019-11-27 15:46:42,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:46:42,823 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:46:42,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:46:42,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:46:42,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:46:42,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:46:42" (1/1) ... [2019-11-27 15:46:42,848 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 03:46:42, skipping insertion in model container [2019-11-27 15:46:42,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:46:42" (1/1) ... [2019-11-27 15:46:42,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:46:43,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:46:47,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:46:47,909 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:46:50,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:46:50,586 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:46:50,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:50 WrapperNode [2019-11-27 15:46:50,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:46:50,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:46:50,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:46:50,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:46:50,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:50" (1/1) ... [2019-11-27 15:46:50,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:50" (1/1) ... [2019-11-27 15:46:51,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:46:51,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:46:51,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:46:51,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:46:51,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:50" (1/1) ... [2019-11-27 15:46:51,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:50" (1/1) ... [2019-11-27 15:46:51,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:50" (1/1) ... [2019-11-27 15:46:51,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:50" (1/1) ... [2019-11-27 15:46:51,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:50" (1/1) ... [2019-11-27 15:46:51,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:50" (1/1) ... [2019-11-27 15:46:51,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:46:50" (1/1) ... [2019-11-27 15:46:52,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:46:52,025 INFO L168 Benchmark]: Toolchain (without parser) took 9197.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 762.3 MB in the end (delta: 176.5 MB). Peak memory consumption was 176.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:46:52,027 INFO L168 Benchmark]: CDTParser took 1.48 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 15:46:52,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7763.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 888.4 MB in the end (delta: 50.4 MB). Peak memory consumption was 275.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:46:52,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 692.77 ms. Allocated memory is still 1.0 GB. Free memory was 888.4 MB in the beginning and 813.3 MB in the end (delta: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:46:52,037 INFO L168 Benchmark]: Boogie Preprocessor took 732.18 ms. Allocated memory is still 1.0 GB. Free memory was 813.3 MB in the beginning and 762.3 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:46:52,047 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48 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 7763.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 888.4 MB in the end (delta: 50.4 MB). Peak memory consumption was 275.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 692.77 ms. Allocated memory is still 1.0 GB. Free memory was 888.4 MB in the beginning and 813.3 MB in the end (delta: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 732.18 ms. Allocated memory is still 1.0 GB. Free memory was 813.3 MB in the beginning and 762.3 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...