./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/trex04.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/loops/trex04.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 af2ddbb903c4368307185214b2ec9c8b5acf03e6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/loops/trex04.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 af2ddbb903c4368307185214b2ec9c8b5acf03e6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:12:52,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:52,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:52,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:52,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:52,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:52,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:52,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:52,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:52,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:52,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:52,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:52,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:52,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:52,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:52,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:52,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:52,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:52,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:52,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:52,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:52,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:52,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:52,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:52,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:52,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:52,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:52,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:52,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:52,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:52,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:52,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:52,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:52,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:52,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:52,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:52,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:52,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:52,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:52,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:52,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:52,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:52,592 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:52,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:52,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:52,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:52,602 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:52,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:52,603 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:52,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:52,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:52,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:52,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:52,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:52,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:52,606 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:52,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:52,607 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:52,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:52,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:52,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:52,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:52,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:52,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:52,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:52,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:52,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:52,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:52,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:52,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:52,615 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 -> af2ddbb903c4368307185214b2ec9c8b5acf03e6 [2019-11-27 16:12:53,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:53,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:53,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:53,299 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:53,302 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:53,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex04.c [2019-11-27 16:12:53,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58b8c005/c0431f82f58243f2b99b0f676130fb67/FLAGe32b84d50 [2019-11-27 16:12:54,513 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:54,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c [2019-11-27 16:12:54,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58b8c005/c0431f82f58243f2b99b0f676130fb67/FLAGe32b84d50 [2019-11-27 16:12:54,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58b8c005/c0431f82f58243f2b99b0f676130fb67 [2019-11-27 16:12:54,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:54,579 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:54,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:54,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:54,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:54,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:54" (1/1) ... [2019-11-27 16:12:54,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b80273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:54, skipping insertion in model container [2019-11-27 16:12:54,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:54" (1/1) ... [2019-11-27 16:12:54,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:54,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:55,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:55,130 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:55,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:55,221 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:55,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:55 WrapperNode [2019-11-27 16:12:55,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:55,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:55,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:55,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:55,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:55" (1/1) ... [2019-11-27 16:12:55,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:55" (1/1) ... [2019-11-27 16:12:55,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:55,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:55,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:55,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:55,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:55" (1/1) ... [2019-11-27 16:12:55,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:55" (1/1) ... [2019-11-27 16:12:55,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:55" (1/1) ... [2019-11-27 16:12:55,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:55" (1/1) ... [2019-11-27 16:12:55,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:55" (1/1) ... [2019-11-27 16:12:55,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:55" (1/1) ... [2019-11-27 16:12:55,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:55" (1/1) ... [2019-11-27 16:12:55,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:55,479 INFO L168 Benchmark]: Toolchain (without parser) took 891.51 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:55,480 INFO L168 Benchmark]: CDTParser took 1.25 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 16:12:55,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.03 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 16:12:55,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.77 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:55,486 INFO L168 Benchmark]: Boogie Preprocessor took 60.05 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 16:12:55,509 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 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 642.03 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 180.77 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 60.05 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:12:59,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:59,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:59,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:59,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:59,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:59,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:59,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:59,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:59,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:59,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:59,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:59,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:59,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:59,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:59,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:59,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:59,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:59,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:59,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:59,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:59,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:59,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:59,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:59,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:59,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:59,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:59,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:59,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:59,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:59,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:59,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:59,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:59,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:59,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:59,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:59,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:59,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:59,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:59,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:59,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:59,582 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:59,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:59,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:59,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:59,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:59,628 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:59,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:59,628 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:59,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:59,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:59,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:59,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:59,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:59,636 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:59,637 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:59,637 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:59,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:59,638 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:59,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:59,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:59,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:59,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:59,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:59,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:59,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:59,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:59,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:59,646 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:59,646 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:59,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:59,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:59,648 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 -> af2ddbb903c4368307185214b2ec9c8b5acf03e6 [2019-11-27 16:13:00,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:00,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:00,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:00,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:00,288 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:00,292 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex04.c [2019-11-27 16:13:00,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36c9c0a3/a471ff02128e4d7c91c15f82a1596c30/FLAG05f599946 [2019-11-27 16:13:01,485 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:01,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c [2019-11-27 16:13:01,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36c9c0a3/a471ff02128e4d7c91c15f82a1596c30/FLAG05f599946 [2019-11-27 16:13:01,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36c9c0a3/a471ff02128e4d7c91c15f82a1596c30 [2019-11-27 16:13:01,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:01,553 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:01,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:01,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:01,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:01,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:01" (1/1) ... [2019-11-27 16:13:01,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b80273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:01, skipping insertion in model container [2019-11-27 16:13:01,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:01" (1/1) ... [2019-11-27 16:13:01,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:01,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:02,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:02,137 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:02,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:02,232 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:02,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:02 WrapperNode [2019-11-27 16:13:02,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:02,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:02,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:02,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:02,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:02" (1/1) ... [2019-11-27 16:13:02,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:02" (1/1) ... [2019-11-27 16:13:02,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:02,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:02,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:02,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:02,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:02" (1/1) ... [2019-11-27 16:13:02,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:02" (1/1) ... [2019-11-27 16:13:02,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:02" (1/1) ... [2019-11-27 16:13:02,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:02" (1/1) ... [2019-11-27 16:13:02,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:02" (1/1) ... [2019-11-27 16:13:02,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:02" (1/1) ... [2019-11-27 16:13:02,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:02" (1/1) ... [2019-11-27 16:13:02,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:02,527 INFO L168 Benchmark]: Toolchain (without parser) took 969.22 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:02,533 INFO L168 Benchmark]: CDTParser took 0.42 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 16:13:02,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.61 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:02,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:02,542 INFO L168 Benchmark]: Boogie Preprocessor took 86.83 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 16:13:02,556 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 678.61 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 195.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 86.83 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...