./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test15.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/ldv-regression/test15.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 2c9c5606ce46621b36dcb660538ce3b49db0b32b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/ldv-regression/test15.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 2c9c5606ce46621b36dcb660538ce3b49db0b32b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:59,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:59,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:59,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:59,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:59,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:59,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:59,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:59,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:59,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:59,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:59,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:59,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:59,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:59,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:59,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:59,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:59,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:59,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:59,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:59,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:59,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:59,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:59,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:59,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:59,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:59,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:59,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:59,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:59,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:59,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:59,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:59,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:59,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:59,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:59,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:59,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:59,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:59,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:59,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:59,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:59,532 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:59,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:59,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:59,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:59,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:59,579 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:59,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:59,580 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:59,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:59,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:59,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:59,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:59,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:59,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:59,587 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:59,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:59,588 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:59,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:59,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:59,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:59,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:59,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:59,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:59,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:59,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:59,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:59,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:59,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:59,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:59,594 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 -> 2c9c5606ce46621b36dcb660538ce3b49db0b32b [2019-11-27 09:49:00,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:00,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:00,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:00,266 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:00,270 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:00,271 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test15.c [2019-11-27 09:49:00,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e51bdbf/00b0f2fd22ea4a5faf35b296eb675b9b/FLAG1d2fab03b [2019-11-27 09:49:01,417 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:01,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test15.c [2019-11-27 09:49:01,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e51bdbf/00b0f2fd22ea4a5faf35b296eb675b9b/FLAG1d2fab03b [2019-11-27 09:49:01,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e51bdbf/00b0f2fd22ea4a5faf35b296eb675b9b [2019-11-27 09:49:01,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:01,485 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:01,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:01,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:01,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:01,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0a05f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01, skipping insertion in model container [2019-11-27 09:49:01,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:01,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:01,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:01,970 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:01,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:02,021 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:02,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02 WrapperNode [2019-11-27 09:49:02,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:02,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:02,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:02,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:02,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:02,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:02,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:02,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:02,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:02,292 INFO L168 Benchmark]: Toolchain (without parser) took 802.43 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:02,294 INFO L168 Benchmark]: CDTParser took 0.26 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 09:49:02,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.81 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:02,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:02,305 INFO L168 Benchmark]: Boogie Preprocessor took 65.27 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:02,317 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 539.81 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 179.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 65.27 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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-da95e15 [2019-11-27 09:49:06,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:06,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:06,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:06,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:06,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:06,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:06,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:06,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:06,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:06,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:06,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:06,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:06,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:06,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:06,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:06,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:06,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:06,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:06,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:06,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:06,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:06,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:06,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:06,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:06,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:06,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:06,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:06,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:06,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:06,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:06,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:06,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:06,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:06,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:06,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:06,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:06,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:06,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:06,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:06,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:06,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:06,505 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:06,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:06,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:06,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:06,514 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:06,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:06,515 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:06,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:06,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:06,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:06,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:06,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:06,520 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:06,521 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:06,523 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:06,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:06,523 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:06,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:06,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:06,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:06,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:06,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:06,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:06,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:06,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:06,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:06,531 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:06,531 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:06,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:06,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:06,533 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 -> 2c9c5606ce46621b36dcb660538ce3b49db0b32b [2019-11-27 09:49:07,098 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:07,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:07,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:07,148 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:07,149 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:07,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test15.c [2019-11-27 09:49:07,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e455c06/05e751479c4c4337b14f7d16628099a9/FLAG7b60803b2 [2019-11-27 09:49:08,299 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:08,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test15.c [2019-11-27 09:49:08,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e455c06/05e751479c4c4337b14f7d16628099a9/FLAG7b60803b2 [2019-11-27 09:49:08,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e455c06/05e751479c4c4337b14f7d16628099a9 [2019-11-27 09:49:08,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:08,589 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:08,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:08,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:08,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:08,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:08" (1/1) ... [2019-11-27 09:49:08,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5553a1b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:08, skipping insertion in model container [2019-11-27 09:49:08,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:08" (1/1) ... [2019-11-27 09:49:08,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:08,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:09,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:09,033 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:09,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:09,080 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:09,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09 WrapperNode [2019-11-27 09:49:09,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:09,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:09,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:09,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:09,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:09,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:09,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:09,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:09,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:09,294 INFO L168 Benchmark]: Toolchain (without parser) took 689.35 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 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:09,300 INFO L168 Benchmark]: CDTParser took 2.43 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 09:49:09,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.61 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:09,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:09,307 INFO L168 Benchmark]: Boogie Preprocessor took 47.62 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:09,319 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.43 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 491.61 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 142.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.62 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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...