./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label16.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_label16.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 b5d27e813284518a11dcc3cc5ae3d66f549ea677 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_label16.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 b5d27e813284518a11dcc3cc5ae3d66f549ea677 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:43:05,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:05,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:05,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:05,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:05,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:05,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:05,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:05,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:05,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:05,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:05,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:05,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:05,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:05,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:05,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:05,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:05,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:05,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:05,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:05,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:05,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:05,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:05,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:05,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:05,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:05,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:05,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:05,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:05,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:05,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:05,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:05,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:05,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:05,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:05,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:05,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:05,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:05,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:05,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:05,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:05,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:43:05,400 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:05,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:05,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:05,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:05,408 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:05,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:05,409 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:05,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:43:05,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:05,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:05,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:05,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:05,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:05,411 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:05,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:05,412 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:05,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:05,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:05,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:05,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:05,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:05,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:05,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:05,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:05,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:05,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:43:05,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:43:05,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:05,418 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 -> b5d27e813284518a11dcc3cc5ae3d66f549ea677 [2019-11-27 15:43:05,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:05,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:05,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:05,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:05,883 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:05,884 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label16.c [2019-11-27 15:43:05,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a84793107/06da8a9cd72747538a872984aa319b29/FLAG97808572f [2019-11-27 15:43:06,863 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:06,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label16.c [2019-11-27 15:43:06,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a84793107/06da8a9cd72747538a872984aa319b29/FLAG97808572f [2019-11-27 15:43:07,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a84793107/06da8a9cd72747538a872984aa319b29 [2019-11-27 15:43:07,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:07,031 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:07,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:07,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:07,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:07,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:07" (1/1) ... [2019-11-27 15:43:07,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2853d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:07, skipping insertion in model container [2019-11-27 15:43:07,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:07" (1/1) ... [2019-11-27 15:43:07,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:07,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:07,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:07,882 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:08,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:08,094 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:08,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:08 WrapperNode [2019-11-27 15:43:08,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:08,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:08,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:08,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:08,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:08" (1/1) ... [2019-11-27 15:43:08,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:08" (1/1) ... [2019-11-27 15:43:08,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:08,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:08,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:08,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:08,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:08" (1/1) ... [2019-11-27 15:43:08,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:08" (1/1) ... [2019-11-27 15:43:08,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:08" (1/1) ... [2019-11-27 15:43:08,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:08" (1/1) ... [2019-11-27 15:43:08,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:08" (1/1) ... [2019-11-27 15:43:08,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:08" (1/1) ... [2019-11-27 15:43:08,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:08" (1/1) ... [2019-11-27 15:43:08,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:08,382 INFO L168 Benchmark]: Toolchain (without parser) took 1345.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 967.4 MB in the end (delta: -7.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:08,383 INFO L168 Benchmark]: CDTParser took 1.81 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 15:43:08,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1064.16 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 978.9 MB in the end (delta: -18.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:08,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.04 ms. Allocated memory is still 1.0 GB. Free memory was 978.9 MB in the beginning and 973.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:08,389 INFO L168 Benchmark]: Boogie Preprocessor took 121.63 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 15:43:08,395 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.81 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 1064.16 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 978.9 MB in the end (delta: -18.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 154.04 ms. Allocated memory is still 1.0 GB. Free memory was 978.9 MB in the beginning and 973.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 121.63 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. 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 15:43:11,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:11,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:11,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:11,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:11,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:11,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:11,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:11,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:11,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:11,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:11,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:11,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:11,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:11,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:11,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:11,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:11,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:11,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:11,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:11,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:11,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:11,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:11,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:11,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:11,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:11,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:11,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:11,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:11,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:11,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:11,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:11,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:11,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:11,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:11,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:11,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:11,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:11,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:11,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:11,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:11,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:43:11,245 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:11,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:11,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:11,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:11,252 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:11,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:11,252 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:11,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:11,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:11,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:11,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:11,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:11,257 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:43:11,258 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:43:11,258 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:11,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:11,258 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:11,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:11,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:11,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:11,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:11,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:11,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:11,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:11,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:11,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:11,261 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:43:11,262 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:43:11,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:11,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:43:11,265 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 -> b5d27e813284518a11dcc3cc5ae3d66f549ea677 [2019-11-27 15:43:11,743 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:11,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:11,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:11,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:11,771 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:11,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label16.c [2019-11-27 15:43:11,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60ad5755f/51f2e263ce104a378bca86d60c9b25a6/FLAGf8d0eb789 [2019-11-27 15:43:12,736 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:12,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label16.c [2019-11-27 15:43:12,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60ad5755f/51f2e263ce104a378bca86d60c9b25a6/FLAGf8d0eb789 [2019-11-27 15:43:12,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60ad5755f/51f2e263ce104a378bca86d60c9b25a6 [2019-11-27 15:43:12,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:12,911 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:12,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:12,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:12,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:12,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65aa4a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:12, skipping insertion in model container [2019-11-27 15:43:12,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:13,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:13,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:13,744 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:13,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:13,963 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:13,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:13 WrapperNode [2019-11-27 15:43:13,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:13,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:13,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:13,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:13,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:13" (1/1) ... [2019-11-27 15:43:14,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:13" (1/1) ... [2019-11-27 15:43:14,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:14,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:14,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:14,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:14,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:13" (1/1) ... [2019-11-27 15:43:14,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:13" (1/1) ... [2019-11-27 15:43:14,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:13" (1/1) ... [2019-11-27 15:43:14,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:13" (1/1) ... [2019-11-27 15:43:14,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:13" (1/1) ... [2019-11-27 15:43:14,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:13" (1/1) ... [2019-11-27 15:43:14,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:13" (1/1) ... [2019-11-27 15:43:14,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:14,257 INFO L168 Benchmark]: Toolchain (without parser) took 1341.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 955.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:14,259 INFO L168 Benchmark]: CDTParser took 3.10 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 15:43:14,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1050.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:14,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.40 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:14,264 INFO L168 Benchmark]: Boogie Preprocessor took 138.89 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 955.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:14,274 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.10 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 1050.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 145.40 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 138.89 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 955.4 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...