./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_label26.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 ec64944e15cde20ad15af2bd0f0e78efc8184588 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label26.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 ec64944e15cde20ad15af2bd0f0e78efc8184588 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:34:10,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:34:10,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:34:10,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:34:10,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:34:10,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:34:10,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:34:10,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:34:10,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:34:10,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:34:10,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:34:10,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:34:10,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:34:10,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:34:10,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:34:10,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:34:10,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:34:10,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:34:10,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:34:10,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:34:10,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:34:10,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:34:10,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:34:10,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:34:10,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:34:10,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:34:10,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:34:10,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:34:10,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:34:10,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:34:10,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:34:10,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:34:10,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:34:10,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:34:10,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:34:10,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:34:10,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:34:10,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:34:10,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:34:10,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:34:10,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:34:10,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:34:10,261 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:34:10,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:34:10,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:34:10,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:34:10,268 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:34:10,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:34:10,268 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:34:10,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:34:10,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:34:10,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:34:10,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:34:10,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:34:10,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:34:10,271 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:34:10,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:34:10,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:34:10,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:34:10,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:34:10,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:34:10,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:34:10,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:34:10,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:34:10,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:34:10,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:34:10,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:34:10,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:34:10,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:34:10,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:34:10,277 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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2019-11-26 16:34:10,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:34:10,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:34:10,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:34:10,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:34:10,879 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:34:10,881 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-26 16:34:11,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c43ae107/b047b34661d549f18f41e8af66ebaa91/FLAG7dfe74978 [2019-11-26 16:34:12,321 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:34:12,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-26 16:34:12,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c43ae107/b047b34661d549f18f41e8af66ebaa91/FLAG7dfe74978 [2019-11-26 16:34:12,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c43ae107/b047b34661d549f18f41e8af66ebaa91 [2019-11-26 16:34:12,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:34:12,414 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:34:12,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:34:12,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:34:12,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:34:12,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:34:12" (1/1) ... [2019-11-26 16:34:12,438 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 26.11 04:34:12, skipping insertion in model container [2019-11-26 16:34:12,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:34:12" (1/1) ... [2019-11-26 16:34:12,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:34:12,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:34:13,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:34:13,623 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:34:13,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:34:13,978 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:34:13,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13 WrapperNode [2019-11-26 16:34:13,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:34:13,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:34:13,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:34:13,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:34:13,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:14,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:14,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:34:14,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:34:14,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:34:14,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:34:14,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:14,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:14,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:14,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:14,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:14,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:14,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:14,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:34:14,364 INFO L168 Benchmark]: Toolchain (without parser) took 1949.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 961.5 MB in the end (delta: -1.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:34:14,366 INFO L168 Benchmark]: CDTParser took 1.74 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. [2019-11-26 16:34:14,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1560.82 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 972.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:14,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.91 ms. Allocated memory is still 1.0 GB. Free memory was 972.9 MB in the beginning and 967.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:14,379 INFO L168 Benchmark]: Boogie Preprocessor took 179.68 ms. Allocated memory is still 1.0 GB. Free memory was 967.2 MB in the beginning and 961.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:14,390 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.74 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 1560.82 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 972.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 193.91 ms. Allocated memory is still 1.0 GB. Free memory was 972.9 MB in the beginning and 967.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 179.68 ms. Allocated memory is still 1.0 GB. Free memory was 967.2 MB in the beginning and 961.5 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 0.1.24-025d5a2 [2019-11-26 16:34:18,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:34:18,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:34:18,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:34:18,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:34:18,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:34:18,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:34:18,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:34:18,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:34:18,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:34:18,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:34:18,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:34:18,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:34:18,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:34:18,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:34:18,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:34:18,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:34:18,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:34:18,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:34:18,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:34:18,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:34:18,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:34:18,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:34:18,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:34:18,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:34:18,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:34:18,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:34:18,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:34:18,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:34:18,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:34:18,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:34:18,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:34:18,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:34:18,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:34:18,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:34:18,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:34:18,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:34:18,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:34:18,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:34:18,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:34:18,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:34:18,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:34:18,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:34:18,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:34:18,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:34:18,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:34:18,578 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:34:18,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:34:18,579 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:34:18,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:34:18,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:34:18,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:34:18,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:34:18,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:34:18,584 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:34:18,584 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:34:18,585 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:34:18,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:34:18,586 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:34:18,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:34:18,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:34:18,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:34:18,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:34:18,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:34:18,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:34:18,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:34:18,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:34:18,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:34:18,594 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:34:18,594 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:34:18,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:34:18,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:34:18,596 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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2019-11-26 16:34:19,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:34:19,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:34:19,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:34:19,231 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:34:19,232 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:34:19,233 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-26 16:34:19,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d38232392/9af24481f37645038b43b53d324f1e1d/FLAG8f0bf89fc [2019-11-26 16:34:20,627 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:34:20,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-26 16:34:20,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d38232392/9af24481f37645038b43b53d324f1e1d/FLAG8f0bf89fc [2019-11-26 16:34:20,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d38232392/9af24481f37645038b43b53d324f1e1d [2019-11-26 16:34:20,726 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:34:20,728 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:34:20,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:34:20,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:34:20,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:34:20,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:34:20" (1/1) ... [2019-11-26 16:34:20,751 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 26.11 04:34:20, skipping insertion in model container [2019-11-26 16:34:20,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:34:20" (1/1) ... [2019-11-26 16:34:20,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:34:20,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:34:21,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:34:21,991 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:34:22,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:34:22,309 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:34:22,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:22 WrapperNode [2019-11-26 16:34:22,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:34:22,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:34:22,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:34:22,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:34:22,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:22" (1/1) ... [2019-11-26 16:34:22,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:22" (1/1) ... [2019-11-26 16:34:22,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:34:22,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:34:22,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:34:22,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:34:22,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:22" (1/1) ... [2019-11-26 16:34:22,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:22" (1/1) ... [2019-11-26 16:34:22,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:22" (1/1) ... [2019-11-26 16:34:22,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:22" (1/1) ... [2019-11-26 16:34:22,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:22" (1/1) ... [2019-11-26 16:34:22,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:22" (1/1) ... [2019-11-26 16:34:22,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:22" (1/1) ... [2019-11-26 16:34:22,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:34:22,689 INFO L168 Benchmark]: Toolchain (without parser) took 1953.68 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 960.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:22,696 INFO L168 Benchmark]: CDTParser took 0.32 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. [2019-11-26 16:34:22,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1578.41 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 972.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:22,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.93 ms. Allocated memory is still 1.0 GB. Free memory was 972.2 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:22,705 INFO L168 Benchmark]: Boogie Preprocessor took 186.18 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. [2019-11-26 16:34:22,714 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 1578.41 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 972.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 180.93 ms. Allocated memory is still 1.0 GB. Free memory was 972.2 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 186.18 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...