./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/tree_max.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/verifythis/tree_max.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 937f48f52d5f1e5180502021b53b09e27d2211af ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/verifythis/tree_max.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 937f48f52d5f1e5180502021b53b09e27d2211af ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:36,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:36,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:36,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:36,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:36,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:36,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:36,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:36,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:36,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:36,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:36,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:36,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:36,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:36,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:36,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:36,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:36,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:36,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:36,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:36,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:36,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:36,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:36,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:36,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:36,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:36,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:36,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:36,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:36,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:36,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:36,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:36,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:36,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:36,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:36,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:36,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:36,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:36,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:36,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:36,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:36,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:36,532 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:36,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:36,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:36,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:36,540 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:36,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:36,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:36,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:36,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:36,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:36,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:36,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:36,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:36,548 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:36,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:36,549 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:36,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:36,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:36,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:36,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:36,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:36,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:36,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:36,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:36,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:36,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:36,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:36,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:36,556 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 -> 937f48f52d5f1e5180502021b53b09e27d2211af [2019-11-26 17:12:37,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:37,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:37,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:37,110 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:37,112 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:37,113 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_max.c [2019-11-26 17:12:37,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0c7f46f7/9bcac2cf736f4103901834168eead2b0/FLAG8ec02d786 [2019-11-26 17:12:38,299 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:38,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_max.c [2019-11-26 17:12:38,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0c7f46f7/9bcac2cf736f4103901834168eead2b0/FLAG8ec02d786 [2019-11-26 17:12:38,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0c7f46f7/9bcac2cf736f4103901834168eead2b0 [2019-11-26 17:12:38,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:38,470 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:38,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:38,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:38,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:38,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:38" (1/1) ... [2019-11-26 17:12:38,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d98bfb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:38, skipping insertion in model container [2019-11-26 17:12:38,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:38" (1/1) ... [2019-11-26 17:12:38,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:38,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:39,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:39,061 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:39,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:39,270 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:39,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:39 WrapperNode [2019-11-26 17:12:39,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:39,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:39,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:39,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:39,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:39" (1/1) ... [2019-11-26 17:12:39,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:39" (1/1) ... [2019-11-26 17:12:39,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:39,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:39,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:39,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:39,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:39" (1/1) ... [2019-11-26 17:12:39,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:39" (1/1) ... [2019-11-26 17:12:39,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:39" (1/1) ... [2019-11-26 17:12:39,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:39" (1/1) ... [2019-11-26 17:12:39,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:39" (1/1) ... [2019-11-26 17:12:39,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:39" (1/1) ... [2019-11-26 17:12:39,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:39" (1/1) ... [2019-11-26 17:12:39,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:39,484 INFO L168 Benchmark]: Toolchain (without parser) took 995.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.1 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:39,485 INFO L168 Benchmark]: CDTParser took 1.57 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:39,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:39,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.71 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:39,501 INFO L168 Benchmark]: Boogie Preprocessor took 78.41 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:39,510 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.57 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 795.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 111.71 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 78.41 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:43,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:43,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:43,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:43,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:43,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:43,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:43,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:43,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:43,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:43,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:43,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:43,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:43,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:43,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:43,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:43,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:43,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:43,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:43,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:43,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:43,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:43,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:43,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:43,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:43,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:43,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:43,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:43,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:43,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:43,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:43,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:43,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:43,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:43,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:43,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:43,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:43,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:43,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:43,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:43,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:43,522 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:43,575 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:43,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:43,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:43,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:43,585 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:43,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:43,586 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:43,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:43,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:43,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:43,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:43,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:43,591 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:43,591 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:43,593 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:43,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:43,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:43,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:43,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:43,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:43,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:43,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:43,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:43,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:43,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:43,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:43,602 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:43,602 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:43,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:43,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:43,605 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 -> 937f48f52d5f1e5180502021b53b09e27d2211af [2019-11-26 17:12:44,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:44,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:44,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:44,227 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:44,227 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:44,228 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_max.c [2019-11-26 17:12:44,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f54d743/8011c1bc5de2492ab43e590d97b3a4a6/FLAG50ec637f5 [2019-11-26 17:12:45,436 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:45,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_max.c [2019-11-26 17:12:45,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f54d743/8011c1bc5de2492ab43e590d97b3a4a6/FLAG50ec637f5 [2019-11-26 17:12:45,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f54d743/8011c1bc5de2492ab43e590d97b3a4a6 [2019-11-26 17:12:45,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:45,662 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:45,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:45,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:45,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:45,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:45" (1/1) ... [2019-11-26 17:12:45,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4578b0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:45, skipping insertion in model container [2019-11-26 17:12:45,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:45" (1/1) ... [2019-11-26 17:12:45,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:45,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:46,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:46,253 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:46,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:46,469 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:46,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:46 WrapperNode [2019-11-26 17:12:46,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:46,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:46,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:46,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:46,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:46" (1/1) ... [2019-11-26 17:12:46,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:46" (1/1) ... [2019-11-26 17:12:46,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:46,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:46,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:46,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:46,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:46" (1/1) ... [2019-11-26 17:12:46,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:46" (1/1) ... [2019-11-26 17:12:46,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:46" (1/1) ... [2019-11-26 17:12:46,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:46" (1/1) ... [2019-11-26 17:12:46,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:46" (1/1) ... [2019-11-26 17:12:46,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:46" (1/1) ... [2019-11-26 17:12:46,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:46" (1/1) ... [2019-11-26 17:12:46,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:46,677 INFO L168 Benchmark]: Toolchain (without parser) took 1011.27 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 991.1 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:46,680 INFO L168 Benchmark]: CDTParser took 2.25 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. [2019-11-26 17:12:46,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.61 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 991.1 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:46,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.60 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:46,692 INFO L168 Benchmark]: Boogie Preprocessor took 89.34 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:46,699 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.25 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 796.61 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 991.1 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.60 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 89.34 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...