./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_20-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/fibo_20-1.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 cea72d4d3a1fecd3ec62f7958af7c737a208f292 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/fibo_20-1.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 cea72d4d3a1fecd3ec62f7958af7c737a208f292 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:17:56,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:17:56,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:17:56,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:17:56,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:17:56,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:17:56,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:17:56,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:17:56,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:17:56,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:17:56,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:17:56,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:17:56,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:17:56,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:17:56,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:17:56,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:17:56,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:17:56,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:17:56,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:17:56,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:17:56,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:17:56,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:17:56,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:17:56,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:17:56,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:17:56,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:17:56,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:17:56,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:17:56,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:17:56,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:17:56,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:17:56,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:17:56,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:17:56,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:17:56,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:17:56,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:17:56,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:17:56,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:17:56,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:17:56,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:17:56,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:17:56,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:17:56,565 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:17:56,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:17:56,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:17:56,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:17:56,572 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:17:56,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:17:56,572 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:17:56,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:17:56,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:17:56,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:17:56,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:17:56,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:17:56,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:17:56,577 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:17:56,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:17:56,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:17:56,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:17:56,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:17:56,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:17:56,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:17:56,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:17:56,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:17:56,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:17:56,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:17:56,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:17:56,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:17:56,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:17:56,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:17:56,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:17:56,586 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 -> cea72d4d3a1fecd3ec62f7958af7c737a208f292 [2019-11-24 21:17:57,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:17:57,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:17:57,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:17:57,265 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:17:57,267 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:17:57,269 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-24 21:17:57,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4537e2a/5f5cae6cf8c0484a8a1b4af822d837c8/FLAG593259a94 [2019-11-24 21:17:58,417 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:17:58,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-24 21:17:58,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4537e2a/5f5cae6cf8c0484a8a1b4af822d837c8/FLAG593259a94 [2019-11-24 21:17:58,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4537e2a/5f5cae6cf8c0484a8a1b4af822d837c8 [2019-11-24 21:17:58,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:17:58,608 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:17:58,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:17:58,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:17:58,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:17:58,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:58,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:58, skipping insertion in model container [2019-11-24 21:17:58,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:58,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:17:58,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:17:59,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:17:59,130 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:17:59,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:17:59,195 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:17:59,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59 WrapperNode [2019-11-24 21:17:59,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:17:59,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:17:59,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:17:59,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:17:59,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:17:59,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:17:59,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:17:59,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:17:59,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:17:59,409 INFO L168 Benchmark]: Toolchain (without parser) took 796.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 996.9 MB in the end (delta: -38.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:17:59,410 INFO L168 Benchmark]: CDTParser took 3.05 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. [2019-11-24 21:17:59,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.14 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:17:59,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.44 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:17:59,420 INFO L168 Benchmark]: Boogie Preprocessor took 135.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 996.9 MB in the end (delta: -49.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:17:59,430 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.05 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 585.14 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.4 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 58.44 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 135.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 996.9 MB in the end (delta: -49.6 MB). Peak memory consumption was 9.2 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 0.1.24-32f2683 [2019-11-24 21:18:03,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:03,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:03,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:03,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:03,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:03,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:03,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:03,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:03,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:03,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:03,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:03,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:03,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:03,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:03,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:03,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:03,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:03,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:03,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:03,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:03,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:03,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:03,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:03,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:03,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:03,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:03,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:03,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:03,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:03,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:03,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:03,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:03,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:03,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:03,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:03,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:03,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:03,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:03,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:03,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:03,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:03,475 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:03,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:03,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:03,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:03,485 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:03,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:03,486 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:03,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:03,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:03,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:03,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:03,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:03,491 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:03,492 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:03,493 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:03,493 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:03,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:03,494 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:03,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:03,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:03,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:03,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:03,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:03,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:03,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:03,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:03,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:03,499 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:03,501 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:03,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:03,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:03,505 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 -> cea72d4d3a1fecd3ec62f7958af7c737a208f292 [2019-11-24 21:18:04,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:04,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:04,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:04,142 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:04,143 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:04,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-24 21:18:04,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c26fc0403/bd6f7f1f30754eb49ce35eb3aa15922b/FLAG791f312be [2019-11-24 21:18:05,314 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:05,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-24 21:18:05,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c26fc0403/bd6f7f1f30754eb49ce35eb3aa15922b/FLAG791f312be [2019-11-24 21:18:05,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c26fc0403/bd6f7f1f30754eb49ce35eb3aa15922b [2019-11-24 21:18:05,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:05,379 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:05,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:05,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:05,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:05,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:05,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05, skipping insertion in model container [2019-11-24 21:18:05,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:05,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:05,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:05,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:05,903 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:05,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:05,977 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:05,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05 WrapperNode [2019-11-24 21:18:05,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:05,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:05,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:05,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:06,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:06,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:06,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:06,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:06,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:06,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:06,272 INFO L168 Benchmark]: Toolchain (without parser) took 885.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:06,275 INFO L168 Benchmark]: CDTParser took 0.56 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. [2019-11-24 21:18:06,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.13 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. [2019-11-24 21:18:06,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 223.04 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. [2019-11-24 21:18:06,283 INFO L168 Benchmark]: Boogie Preprocessor took 55.62 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. [2019-11-24 21:18:06,294 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 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 597.13 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 223.04 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 55.62 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...