./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_o100.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/recursive-simple/id_o100.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 3c7581d7152a915ede2b7a090503832fb0897bb4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/recursive-simple/id_o100.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 3c7581d7152a915ede2b7a090503832fb0897bb4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:12:25,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:25,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:25,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:25,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:25,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:25,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:25,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:25,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:25,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:25,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:25,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:25,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:25,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:25,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:25,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:25,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:25,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:25,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:25,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:25,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:25,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:25,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:25,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:25,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:25,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:25,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:25,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:25,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:25,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:25,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:25,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:25,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:25,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:25,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:25,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:25,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:25,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:25,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:25,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:25,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:25,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:25,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:25,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:25,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:25,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:25,653 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:25,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:25,654 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:25,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:25,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:25,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:25,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:25,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:25,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:25,659 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:25,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:25,659 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:25,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:25,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:25,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:25,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:25,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:25,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:25,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:25,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:25,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:25,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:25,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:25,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:25,669 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 -> 3c7581d7152a915ede2b7a090503832fb0897bb4 [2019-11-26 17:12:26,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:26,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:26,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:26,219 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:26,223 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:26,224 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-26 17:12:26,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e218410ec/1ad26c9b5d0f4cd2a511b1a2c5249d8e/FLAGe5e1c253f [2019-11-26 17:12:27,370 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:27,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-26 17:12:27,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e218410ec/1ad26c9b5d0f4cd2a511b1a2c5249d8e/FLAGe5e1c253f [2019-11-26 17:12:27,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e218410ec/1ad26c9b5d0f4cd2a511b1a2c5249d8e [2019-11-26 17:12:27,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:27,446 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:27,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:27,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:27,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:27,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f01879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27, skipping insertion in model container [2019-11-26 17:12:27,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:27,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:27,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:27,983 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:28,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:28,050 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:28,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28 WrapperNode [2019-11-26 17:12:28,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:28,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:28,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:28,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:28,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:28,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:28,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:28,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:28,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:28,266 INFO L168 Benchmark]: Toolchain (without parser) took 817.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:28,268 INFO L168 Benchmark]: CDTParser took 0.32 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 17:12:28,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.83 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. [2019-11-26 17:12:28,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.98 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: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:28,290 INFO L168 Benchmark]: Boogie Preprocessor took 31.80 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:28,301 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 601.83 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 162.98 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: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 31.80 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 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 17:12:32,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:32,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:32,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:32,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:32,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:32,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:32,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:32,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:32,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:32,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:32,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:32,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:32,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:32,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:32,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:32,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:32,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:32,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:32,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:32,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:32,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:32,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:32,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:32,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:32,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:32,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:32,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:32,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:32,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:32,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:32,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:32,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:32,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:32,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:32,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:32,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:32,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:32,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:32,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:32,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:32,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:32,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:32,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:32,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:32,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:32,287 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:32,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:32,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:32,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:32,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:32,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:32,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:32,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:32,294 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:32,294 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:32,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:32,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:32,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:32,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:32,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:32,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:32,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:32,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:32,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:32,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:32,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:32,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:32,303 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:32,303 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:32,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:32,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:32,307 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 -> 3c7581d7152a915ede2b7a090503832fb0897bb4 [2019-11-26 17:12:32,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:32,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:32,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:32,977 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:32,979 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:32,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-26 17:12:33,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9220ffcd6/ed85bfcb9be94b9085b9dc0140682ba7/FLAG48cf9ec3d [2019-11-26 17:12:34,166 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:34,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-26 17:12:34,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9220ffcd6/ed85bfcb9be94b9085b9dc0140682ba7/FLAG48cf9ec3d [2019-11-26 17:12:34,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9220ffcd6/ed85bfcb9be94b9085b9dc0140682ba7 [2019-11-26 17:12:34,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:34,240 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:34,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:34,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:34,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:34,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:34,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa44881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34, skipping insertion in model container [2019-11-26 17:12:34,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:34,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:34,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:34,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:34,779 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:34,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:34,853 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:34,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34 WrapperNode [2019-11-26 17:12:34,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:34,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:34,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:34,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:34,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:34,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:35,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:35,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:35,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:35,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:35,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:35,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:35,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:35,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:35,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:35,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:35,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:35,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:35,153 INFO L168 Benchmark]: Toolchain (without parser) took 907.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:35,155 INFO L168 Benchmark]: CDTParser took 3.10 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. [2019-11-26 17:12:35,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.25 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. [2019-11-26 17:12:35,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 230.38 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 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:35,164 INFO L168 Benchmark]: Boogie Preprocessor took 50.46 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:35,175 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.10 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 618.25 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 230.38 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 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.46 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...