./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/heap-manipulation/dancing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/heap-manipulation/dancing.i -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 63ea7ed840682b4e196bd141458679e7836ad115 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/heap-manipulation/dancing.i -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 63ea7ed840682b4e196bd141458679e7836ad115 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:22,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:22,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:22,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:22,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:22,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:22,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:22,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:22,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:22,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:22,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:22,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:22,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:22,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:22,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:22,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:22,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:22,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:22,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:22,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:22,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:22,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:22,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:22,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:22,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:22,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:22,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:22,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:22,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:22,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:22,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:22,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:22,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:22,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:22,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:22,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:22,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:22,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:22,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:22,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:22,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:22,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:22,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:22,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:22,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:22,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:22,659 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:22,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:22,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:22,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:22,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:22,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:22,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:22,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:22,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:22,666 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:22,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:22,669 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:22,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:22,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:22,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:22,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:22,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:22,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:22,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:22,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:22,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:22,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:22,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:22,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:22,676 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 -> 63ea7ed840682b4e196bd141458679e7836ad115 [2019-11-27 09:48:23,287 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:23,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:23,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:23,325 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:23,327 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:23,331 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/dancing.i [2019-11-27 09:48:23,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0826f3c6d/908f0d02b4ba41bfbec62fad732b1438/FLAG692961ac4 [2019-11-27 09:48:24,723 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:24,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/dancing.i [2019-11-27 09:48:24,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0826f3c6d/908f0d02b4ba41bfbec62fad732b1438/FLAG692961ac4 [2019-11-27 09:48:24,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0826f3c6d/908f0d02b4ba41bfbec62fad732b1438 [2019-11-27 09:48:24,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:24,843 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:24,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:24,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:24,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:24,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:24" (1/1) ... [2019-11-27 09:48:24,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c493f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:24, skipping insertion in model container [2019-11-27 09:48:24,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:24" (1/1) ... [2019-11-27 09:48:24,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:24,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:25,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:25,930 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:26,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:26,187 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:26,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26 WrapperNode [2019-11-27 09:48:26,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:26,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:26,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:26,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:26,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:26,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:26,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:26,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:26,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:26,487 INFO L168 Benchmark]: Toolchain (without parser) took 1639.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 968.3 MB in the end (delta: -2.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:26,492 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:26,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1343.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 974.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:26,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.93 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:26,502 INFO L168 Benchmark]: Boogie Preprocessor took 117.67 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:26,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1343.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 974.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 168.93 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.67 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:30,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:30,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:30,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:30,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:30,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:30,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:30,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:30,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:30,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:30,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:30,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:30,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:30,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:30,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:30,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:30,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:30,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:30,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:30,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:30,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:30,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:30,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:30,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:30,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:30,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:30,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:30,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:30,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:30,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:30,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:30,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:30,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:30,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:30,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:30,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:30,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:30,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:30,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:30,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:30,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:30,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:48:30,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:30,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:30,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:30,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:30,545 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:30,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:30,546 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:30,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:30,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:30,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:30,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:30,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:30,549 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:48:30,550 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:48:30,550 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:30,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:30,552 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:30,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:30,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:30,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:30,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:30,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:30,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:30,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:30,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:30,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:30,558 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:48:30,561 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:48:30,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:30,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:48:30,563 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 -> 63ea7ed840682b4e196bd141458679e7836ad115 [2019-11-27 09:48:31,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:31,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:31,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:31,243 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:31,247 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:31,249 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/dancing.i [2019-11-27 09:48:31,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6433c9cd7/8815275a3fd0402298e5e36c523fc262/FLAG050dbdbb3 [2019-11-27 09:48:32,634 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:32,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/dancing.i [2019-11-27 09:48:32,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6433c9cd7/8815275a3fd0402298e5e36c523fc262/FLAG050dbdbb3 [2019-11-27 09:48:32,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6433c9cd7/8815275a3fd0402298e5e36c523fc262 [2019-11-27 09:48:32,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:32,742 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:32,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:32,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:32,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:32,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:32" (1/1) ... [2019-11-27 09:48:32,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c493f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:32, skipping insertion in model container [2019-11-27 09:48:32,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:32" (1/1) ... [2019-11-27 09:48:32,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:32,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:33,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:33,875 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:34,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:34,145 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:34,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:34 WrapperNode [2019-11-27 09:48:34,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:34,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:34,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:34,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:34,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:34" (1/1) ... [2019-11-27 09:48:34,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:34" (1/1) ... [2019-11-27 09:48:34,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:34,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:34,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:34,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:34,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:34" (1/1) ... [2019-11-27 09:48:34,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:34" (1/1) ... [2019-11-27 09:48:34,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:34" (1/1) ... [2019-11-27 09:48:34,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:34" (1/1) ... [2019-11-27 09:48:34,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:34" (1/1) ... [2019-11-27 09:48:34,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:34" (1/1) ... [2019-11-27 09:48:34,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:34" (1/1) ... [2019-11-27 09:48:34,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:34,452 INFO L168 Benchmark]: Toolchain (without parser) took 1706.83 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 966.8 MB in the end (delta: 654.2 kB). Peak memory consumption was 719.8 kB. Max. memory is 12.5 GB. [2019-11-27 09:48:34,454 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:34,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1406.47 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:34,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.79 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:34,458 INFO L168 Benchmark]: Boogie Preprocessor took 120.72 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:34,470 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1406.47 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 169.79 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 120.72 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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...