./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 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/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 0.1.24-509859d [2019-11-27 16:10:48,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:48,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:48,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:48,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:48,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:48,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:48,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:48,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:48,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:48,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:48,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:48,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:48,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:48,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:48,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:48,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:48,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:48,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:48,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:48,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:48,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:48,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:48,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:48,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:48,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:48,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:48,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:48,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:48,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:48,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:48,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:48,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:48,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:48,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:48,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:48,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:48,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:48,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:48,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:48,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:48,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:48,458 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:48,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:48,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:48,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:48,466 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:48,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:48,466 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:48,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:48,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:48,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:48,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:48,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:48,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:48,471 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:48,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:48,472 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:48,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:48,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:48,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:48,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:48,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:48,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:48,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:48,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:48,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:48,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:48,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:48,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:48,481 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 16:10:49,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:49,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:49,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:49,127 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:49,129 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:49,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test15.c [2019-11-27 16:10:49,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3aee38f5/9af70900628a4eb4978ff0f50d601f2d/FLAG564c844a6 [2019-11-27 16:10:50,359 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:50,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test15.c [2019-11-27 16:10:50,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3aee38f5/9af70900628a4eb4978ff0f50d601f2d/FLAG564c844a6 [2019-11-27 16:10:50,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3aee38f5/9af70900628a4eb4978ff0f50d601f2d [2019-11-27 16:10:50,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:50,434 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:50,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:50,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:50,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:50,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:50" (1/1) ... [2019-11-27 16:10:50,461 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 04:10:50, skipping insertion in model container [2019-11-27 16:10:50,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:50" (1/1) ... [2019-11-27 16:10:50,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:50,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:50,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:50,998 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:51,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:51,066 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:51,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:51 WrapperNode [2019-11-27 16:10:51,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:51,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:51,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:51,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:51,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:51" (1/1) ... [2019-11-27 16:10:51,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:51" (1/1) ... [2019-11-27 16:10:51,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:51,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:51,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:51,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:51,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:51" (1/1) ... [2019-11-27 16:10:51,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:51" (1/1) ... [2019-11-27 16:10:51,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:51" (1/1) ... [2019-11-27 16:10:51,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:51" (1/1) ... [2019-11-27 16:10:51,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:51" (1/1) ... [2019-11-27 16:10:51,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:51" (1/1) ... [2019-11-27 16:10:51,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:51" (1/1) ... [2019-11-27 16:10:51,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:51,335 INFO L168 Benchmark]: Toolchain (without parser) took 883.88 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 991.3 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:51,339 INFO L168 Benchmark]: CDTParser took 0.37 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 16:10:51,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.30 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 16:10:51,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.26 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 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:51,349 INFO L168 Benchmark]: Boogie Preprocessor took 51.61 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 16:10:51,363 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 636.30 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 182.26 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 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 51.61 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 0.1.24-509859d [2019-11-27 16:10:55,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:55,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:55,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:55,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:55,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:55,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:55,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:55,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:55,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:55,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:55,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:55,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:55,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:55,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:55,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:55,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:55,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:55,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:55,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:55,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:55,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:55,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:55,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:55,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:55,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:55,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:55,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:55,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:55,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:55,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:55,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:55,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:55,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:55,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:55,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:55,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:55,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:55,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:55,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:55,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:55,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:55,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:55,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:55,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:55,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:55,529 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:55,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:55,530 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:55,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:55,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:55,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:55,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:55,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:55,534 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:55,536 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:55,536 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:55,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:55,537 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:55,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:55,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:55,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:55,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:55,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:55,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:55,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:55,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:55,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:55,543 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:55,543 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:55,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:55,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:55,547 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 16:10:56,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:56,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:56,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:56,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:56,184 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:56,186 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test15.c [2019-11-27 16:10:56,354 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5d176b1d/d4b042894eb84d17b829e78c2ce13af7/FLAGf530ed170 [2019-11-27 16:10:57,431 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:57,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test15.c [2019-11-27 16:10:57,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5d176b1d/d4b042894eb84d17b829e78c2ce13af7/FLAGf530ed170 [2019-11-27 16:10:57,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5d176b1d/d4b042894eb84d17b829e78c2ce13af7 [2019-11-27 16:10:57,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:57,502 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:57,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:57,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:57,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:57,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:57" (1/1) ... [2019-11-27 16:10:57,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b9b596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:57, skipping insertion in model container [2019-11-27 16:10:57,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:57" (1/1) ... [2019-11-27 16:10:57,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:57,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:58,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:58,106 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:58,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:58,193 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:58,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:58 WrapperNode [2019-11-27 16:10:58,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:58,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:58,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:58,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:58,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:58" (1/1) ... [2019-11-27 16:10:58,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:58" (1/1) ... [2019-11-27 16:10:58,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:58,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:58,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:58,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:58,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:58" (1/1) ... [2019-11-27 16:10:58,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:58" (1/1) ... [2019-11-27 16:10:58,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:58" (1/1) ... [2019-11-27 16:10:58,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:58" (1/1) ... [2019-11-27 16:10:58,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:58" (1/1) ... [2019-11-27 16:10:58,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:58" (1/1) ... [2019-11-27 16:10:58,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:58" (1/1) ... [2019-11-27 16:10:58,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:58,509 INFO L168 Benchmark]: Toolchain (without parser) took 1002.96 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 16:10:58,511 INFO L168 Benchmark]: CDTParser took 2.71 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 16:10:58,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.15 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 16:10:58,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 212.90 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 16:10:58,522 INFO L168 Benchmark]: Boogie Preprocessor took 85.63 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 16:10:58,535 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.71 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 693.15 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 212.90 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 85.63 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...