./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label57.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/Problem02_label57.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 7289a24916410dada55d7befe9c59871f03a3aa1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem02_label57.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 7289a24916410dada55d7befe9c59871f03a3aa1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:43:26,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:26,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:26,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:26,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:26,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:26,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:26,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:26,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:26,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:26,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:26,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:26,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:26,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:26,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:26,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:26,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:26,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:26,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:26,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:26,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:26,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:26,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:26,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:26,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:26,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:26,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:26,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:26,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:26,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:26,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:26,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:26,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:26,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:26,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:26,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:26,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:26,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:26,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:26,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:26,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:26,208 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:43:26,249 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:26,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:26,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:26,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:26,259 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:26,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:26,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:26,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:43:26,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:26,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:26,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:26,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:26,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:26,266 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:26,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:26,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:26,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:26,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:26,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:26,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:26,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:26,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:26,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:26,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:26,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:26,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:43:26,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:43:26,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:26,277 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 -> 7289a24916410dada55d7befe9c59871f03a3aa1 [2019-11-27 15:43:26,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:26,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:26,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:26,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:26,970 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:26,971 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label57.c [2019-11-27 15:43:27,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb969ea3/82deb79bdcad4e5f8e0359efa3a68b9c/FLAGaabaa133d [2019-11-27 15:43:28,362 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:28,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label57.c [2019-11-27 15:43:28,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb969ea3/82deb79bdcad4e5f8e0359efa3a68b9c/FLAGaabaa133d [2019-11-27 15:43:28,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb969ea3/82deb79bdcad4e5f8e0359efa3a68b9c [2019-11-27 15:43:28,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:28,455 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:28,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:28,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:28,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:28,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:28,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b35a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:28, skipping insertion in model container [2019-11-27 15:43:28,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:28,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:28,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:29,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:29,698 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:29,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:30,011 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:30,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:30 WrapperNode [2019-11-27 15:43:30,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:30,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:30,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:30,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:30,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:30" (1/1) ... [2019-11-27 15:43:30,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:30" (1/1) ... [2019-11-27 15:43:30,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:30,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:30,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:30,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:30,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:30" (1/1) ... [2019-11-27 15:43:30,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:30" (1/1) ... [2019-11-27 15:43:30,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:30" (1/1) ... [2019-11-27 15:43:30,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:30" (1/1) ... [2019-11-27 15:43:30,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:30" (1/1) ... [2019-11-27 15:43:30,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:30" (1/1) ... [2019-11-27 15:43:30,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:30" (1/1) ... [2019-11-27 15:43:30,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:30,452 INFO L168 Benchmark]: Toolchain (without parser) took 1995.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 961.7 MB in the end (delta: -1.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:30,458 INFO L168 Benchmark]: CDTParser took 0.73 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 15:43:30,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1558.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 973.1 MB in the end (delta: -12.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:30,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 229.58 ms. Allocated memory is still 1.0 GB. Free memory was 973.1 MB in the beginning and 967.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:30,468 INFO L168 Benchmark]: Boogie Preprocessor took 198.68 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:30,482 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 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 1558.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 973.1 MB in the end (delta: -12.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 229.58 ms. Allocated memory is still 1.0 GB. Free memory was 973.1 MB in the beginning and 967.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 198.68 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 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 15:43:34,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:34,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:34,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:34,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:34,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:34,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:34,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:34,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:34,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:34,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:34,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:34,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:34,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:34,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:34,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:34,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:34,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:34,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:34,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:34,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:34,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:34,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:34,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:34,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:34,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:34,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:34,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:34,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:34,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:34,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:34,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:34,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:34,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:34,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:34,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:34,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:34,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:34,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:34,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:34,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:34,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:43:34,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:34,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:34,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:34,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:34,625 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:34,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:34,628 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:34,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:34,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:34,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:34,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:34,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:34,631 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:43:34,634 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:43:34,635 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:34,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:34,635 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:34,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:34,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:34,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:34,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:34,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:34,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:34,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:34,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:34,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:34,640 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:43:34,642 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:43:34,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:34,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:43:34,644 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 -> 7289a24916410dada55d7befe9c59871f03a3aa1 [2019-11-27 15:43:35,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:35,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:35,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:35,328 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:35,329 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:35,332 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label57.c [2019-11-27 15:43:35,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a582721/56a416e2060a49ce947283dfa27f97ec/FLAG589c591b5 [2019-11-27 15:43:36,734 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:36,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label57.c [2019-11-27 15:43:36,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a582721/56a416e2060a49ce947283dfa27f97ec/FLAG589c591b5 [2019-11-27 15:43:36,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a582721/56a416e2060a49ce947283dfa27f97ec [2019-11-27 15:43:36,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:36,812 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:36,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:36,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:36,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:36,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:36" (1/1) ... [2019-11-27 15:43:36,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:36, skipping insertion in model container [2019-11-27 15:43:36,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:36" (1/1) ... [2019-11-27 15:43:36,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:36,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:38,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:38,105 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:38,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:38,437 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:38,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38 WrapperNode [2019-11-27 15:43:38,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:38,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:38,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:38,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:38,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:38,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:38,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:38,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:38,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:38,837 INFO L168 Benchmark]: Toolchain (without parser) took 2016.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 955.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:38,838 INFO L168 Benchmark]: CDTParser took 0.54 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 15:43:38,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1614.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.5 MB in the end (delta: 899.6 kB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:38,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 199.39 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:38,849 INFO L168 Benchmark]: Boogie Preprocessor took 186.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 955.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:38,858 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 1614.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.5 MB in the end (delta: 899.6 kB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 199.39 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 186.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 955.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...