./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i20_o20-1.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_i20_o20-1.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 4d7026bf672987d88e3a6ea48c2c5a690fd9a5f2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_i20_o20-1.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 4d7026bf672987d88e3a6ea48c2c5a690fd9a5f2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:12:21,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:21,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:21,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:21,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:21,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:21,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:21,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:21,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:21,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:21,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:21,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:21,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:21,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:21,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:21,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:21,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:21,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:21,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:21,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:21,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:21,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:21,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:21,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:21,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:21,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:21,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:21,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:21,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:21,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:21,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:21,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:21,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:21,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:21,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:21,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:21,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:21,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:21,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:21,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:21,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:21,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:21,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:21,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:21,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:21,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:21,449 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:21,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:21,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:21,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:21,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:21,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:21,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:21,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:21,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:21,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:21,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:21,455 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:21,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:21,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:21,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:21,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:21,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:21,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:21,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:21,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:21,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:21,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:21,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:21,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:21,459 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 -> 4d7026bf672987d88e3a6ea48c2c5a690fd9a5f2 [2019-11-26 17:12:21,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:21,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:21,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:21,962 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:21,966 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:21,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2019-11-26 17:12:22,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58b5a62b4/79ea94ad6510497bbe2e50fa9f5b42b3/FLAGdd9cf3ff6 [2019-11-26 17:12:22,770 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:22,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2019-11-26 17:12:22,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58b5a62b4/79ea94ad6510497bbe2e50fa9f5b42b3/FLAGdd9cf3ff6 [2019-11-26 17:12:23,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58b5a62b4/79ea94ad6510497bbe2e50fa9f5b42b3 [2019-11-26 17:12:23,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:23,123 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:23,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:23,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:23,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:23,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fbebda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23, skipping insertion in model container [2019-11-26 17:12:23,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:23,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:23,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:23,445 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:23,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:23,473 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:23,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23 WrapperNode [2019-11-26 17:12:23,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:23,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:23,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:23,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:23,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:23,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:23,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:23,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:23,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:23,615 INFO L168 Benchmark]: Toolchain (without parser) took 475.66 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 996.9 MB in the end (delta: -36.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:23,616 INFO L168 Benchmark]: CDTParser took 0.23 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 17:12:23,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.89 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:23,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:23,623 INFO L168 Benchmark]: Boogie Preprocessor took 20.63 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 17:12:23,629 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 348.89 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 96.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 20.63 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 17:12:26,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:26,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:26,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:26,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:26,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:26,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:26,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:26,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:26,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:26,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:26,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:26,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:26,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:26,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:26,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:26,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:26,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:26,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:26,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:26,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:26,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:26,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:26,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:26,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:26,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:26,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:26,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:26,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:26,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:26,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:26,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:26,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:26,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:26,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:26,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:26,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:26,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:26,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:26,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:26,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:26,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:26,513 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:26,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:26,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:26,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:26,518 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:26,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:26,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:26,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:26,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:26,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:26,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:26,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:26,521 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:26,522 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:26,523 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:26,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:26,523 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:26,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:26,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:26,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:26,527 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:26,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:26,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:26,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:26,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:26,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:26,529 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:26,529 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:26,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:26,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:26,530 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 -> 4d7026bf672987d88e3a6ea48c2c5a690fd9a5f2 [2019-11-26 17:12:26,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:27,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:27,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:27,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:27,021 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:27,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2019-11-26 17:12:27,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f0dfc4fd/263682e3283f41e2b17ec063079582ac/FLAGd4be0a79e [2019-11-26 17:12:27,812 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:27,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2019-11-26 17:12:27,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f0dfc4fd/263682e3283f41e2b17ec063079582ac/FLAGd4be0a79e [2019-11-26 17:12:28,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f0dfc4fd/263682e3283f41e2b17ec063079582ac [2019-11-26 17:12:28,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:28,147 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:28,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:28,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:28,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:28,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555cfcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28, skipping insertion in model container [2019-11-26 17:12:28,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:28,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:28,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:28,530 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:28,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:28,582 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:28,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28 WrapperNode [2019-11-26 17:12:28,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:28,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:28,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:28,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:28,603 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 17:12:28,680 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 17:12:28,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:28,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:28,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:28,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:28,717 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 17:12:28,718 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 17:12:28,719 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 17:12:28,719 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 17:12:28,722 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 17:12:28,724 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 17:12:28,725 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 17:12:28,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:28,733 INFO L168 Benchmark]: Toolchain (without parser) took 581.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:28,735 INFO L168 Benchmark]: CDTParser took 1.80 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 17:12:28,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.63 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 17:12:28,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.78 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:28,739 INFO L168 Benchmark]: Boogie Preprocessor took 17.58 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:28,750 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.80 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 433.63 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 122.78 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 17.58 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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...