./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label20.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/Problem18_label20.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 f6826319088c04a018f3a6afbe191bf0615c4678 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem18_label20.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 f6826319088c04a018f3a6afbe191bf0615c4678 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:00:07,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:00:07,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:00:07,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:00:07,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:00:07,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:00:07,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:00:07,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:00:07,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:00:07,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:00:07,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:00:07,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:00:07,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:00:07,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:00:07,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:00:07,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:00:07,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:00:07,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:00:07,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:00:07,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:00:07,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:00:07,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:00:07,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:00:07,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:00:07,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:00:07,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:00:07,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:00:07,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:00:07,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:00:07,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:00:07,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:00:07,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:00:07,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:00:07,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:00:07,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:00:07,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:00:07,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:00:07,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:00:07,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:00:07,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:00:07,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:00:07,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:00:07,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:00:07,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:00:07,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:00:07,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:00:07,413 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:00:07,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:00:07,414 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:00:07,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:00:07,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:00:07,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:00:07,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:00:07,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:00:07,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:00:07,421 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:00:07,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:00:07,421 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:00:07,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:00:07,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:00:07,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:00:07,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:00:07,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:00:07,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:00:07,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:00:07,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:00:07,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:00:07,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:00:07,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:00:07,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:00:07,429 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 -> f6826319088c04a018f3a6afbe191bf0615c4678 [2019-11-27 16:00:08,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:00:08,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:00:08,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:00:08,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:00:08,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:00:08,100 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label20.c [2019-11-27 16:00:08,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c017fcbc/8211221d589d41dfba2c5da7b2beffb7/FLAG34e1bd59b [2019-11-27 16:00:09,895 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:00:09,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label20.c [2019-11-27 16:00:09,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c017fcbc/8211221d589d41dfba2c5da7b2beffb7/FLAG34e1bd59b [2019-11-27 16:00:10,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c017fcbc/8211221d589d41dfba2c5da7b2beffb7 [2019-11-27 16:00:10,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:00:10,426 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:00:10,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:10,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:00:10,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:00:10,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:10" (1/1) ... [2019-11-27 16:00:10,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143e0c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:10, skipping insertion in model container [2019-11-27 16:00:10,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:10" (1/1) ... [2019-11-27 16:00:10,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:00:10,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:00:13,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:13,219 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:00:14,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:14,357 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:00:14,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:14 WrapperNode [2019-11-27 16:00:14,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:14,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:14,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:00:14,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:00:14,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:14" (1/1) ... [2019-11-27 16:00:14,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:14" (1/1) ... [2019-11-27 16:00:14,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:14,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:00:14,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:00:14,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:00:14,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:14" (1/1) ... [2019-11-27 16:00:14,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:14" (1/1) ... [2019-11-27 16:00:14,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:14" (1/1) ... [2019-11-27 16:00:14,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:14" (1/1) ... [2019-11-27 16:00:15,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:14" (1/1) ... [2019-11-27 16:00:15,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:14" (1/1) ... [2019-11-27 16:00:15,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:14" (1/1) ... [2019-11-27 16:00:15,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:00:15,481 INFO L168 Benchmark]: Toolchain (without parser) took 5048.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 818.7 MB in the end (delta: 132.9 MB). Peak memory consumption was 133.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:15,482 INFO L168 Benchmark]: CDTParser took 0.56 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 16:00:15,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3924.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 888.0 MB in the end (delta: 63.6 MB). Peak memory consumption was 63.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:15,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 521.01 ms. Allocated memory is still 1.0 GB. Free memory was 888.0 MB in the beginning and 847.9 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:15,491 INFO L168 Benchmark]: Boogie Preprocessor took 588.94 ms. Allocated memory is still 1.0 GB. Free memory was 847.9 MB in the beginning and 818.7 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:15,503 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 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 3924.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 888.0 MB in the end (delta: 63.6 MB). Peak memory consumption was 63.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 521.01 ms. Allocated memory is still 1.0 GB. Free memory was 888.0 MB in the beginning and 847.9 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 588.94 ms. Allocated memory is still 1.0 GB. Free memory was 847.9 MB in the beginning and 818.7 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:00:19,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:00:19,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:00:19,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:00:19,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:00:19,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:00:19,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:00:19,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:00:19,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:00:19,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:00:19,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:00:19,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:00:19,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:00:19,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:00:19,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:00:19,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:00:19,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:00:19,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:00:19,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:00:19,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:00:19,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:00:19,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:00:19,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:00:19,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:00:19,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:00:19,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:00:19,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:00:19,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:00:19,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:00:19,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:00:19,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:00:19,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:00:19,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:00:19,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:00:19,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:00:19,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:00:19,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:00:19,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:00:19,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:00:19,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:00:19,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:00:19,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:00:19,506 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:00:19,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:00:19,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:00:19,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:00:19,516 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:00:19,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:00:19,517 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:00:19,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:00:19,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:00:19,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:00:19,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:00:19,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:00:19,519 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:00:19,520 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:00:19,522 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:00:19,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:00:19,522 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:00:19,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:00:19,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:00:19,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:00:19,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:00:19,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:00:19,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:00:19,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:00:19,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:00:19,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:00:19,528 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:00:19,528 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:00:19,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:00:19,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:00:19,530 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 -> f6826319088c04a018f3a6afbe191bf0615c4678 [2019-11-27 16:00:20,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:00:20,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:00:20,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:00:20,166 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:00:20,170 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:00:20,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label20.c [2019-11-27 16:00:20,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bed55ecb/f3c99500c25e4edf86a25d9eaf97aeeb/FLAGceca98efe [2019-11-27 16:00:21,806 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:00:21,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label20.c [2019-11-27 16:00:21,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bed55ecb/f3c99500c25e4edf86a25d9eaf97aeeb/FLAGceca98efe [2019-11-27 16:00:21,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bed55ecb/f3c99500c25e4edf86a25d9eaf97aeeb [2019-11-27 16:00:21,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:00:21,995 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:00:22,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:22,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:00:22,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:00:22,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:21" (1/1) ... [2019-11-27 16:00:22,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9841a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:22, skipping insertion in model container [2019-11-27 16:00:22,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:21" (1/1) ... [2019-11-27 16:00:22,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:00:22,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:00:24,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:24,879 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:00:25,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:25,985 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:00:25,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:25 WrapperNode [2019-11-27 16:00:25,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:25,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:25,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:00:25,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:00:26,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:25" (1/1) ... [2019-11-27 16:00:26,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:25" (1/1) ... [2019-11-27 16:00:26,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:26,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:00:26,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:00:26,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:00:26,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:25" (1/1) ... [2019-11-27 16:00:26,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:25" (1/1) ... [2019-11-27 16:00:26,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:25" (1/1) ... [2019-11-27 16:00:26,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:25" (1/1) ... [2019-11-27 16:00:26,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:25" (1/1) ... [2019-11-27 16:00:26,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:25" (1/1) ... [2019-11-27 16:00:26,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:25" (1/1) ... [2019-11-27 16:00:26,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:00:26,914 INFO L168 Benchmark]: Toolchain (without parser) took 4914.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 809.2 MB in the end (delta: 146.8 MB). Peak memory consumption was 146.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:26,917 INFO L168 Benchmark]: CDTParser took 0.45 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 16:00:26,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3990.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 855.0 MB in the end (delta: 100.9 MB). Peak memory consumption was 101.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:26,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 461.47 ms. Allocated memory is still 1.0 GB. Free memory was 855.0 MB in the beginning and 826.4 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:26,927 INFO L168 Benchmark]: Boogie Preprocessor took 451.04 ms. Allocated memory is still 1.0 GB. Free memory was 826.4 MB in the beginning and 809.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:26,935 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 3990.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 855.0 MB in the end (delta: 100.9 MB). Peak memory consumption was 101.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 461.47 ms. Allocated memory is still 1.0 GB. Free memory was 855.0 MB in the beginning and 826.4 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 451.04 ms. Allocated memory is still 1.0 GB. Free memory was 826.4 MB in the beginning and 809.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...