./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_20-2.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/fibo_20-2.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 1ca2577ffd707a1970c0f79b3a99e9efda98f5d8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_20-2.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 1ca2577ffd707a1970c0f79b3a99e9efda98f5d8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:12:00,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:00,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:00,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:00,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:00,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:00,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:00,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:00,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:00,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:00,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:00,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:00,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:00,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:00,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:00,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:00,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:00,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:00,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:00,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:00,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:00,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:00,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:00,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:00,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:00,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:00,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:00,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:00,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:00,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:00,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:00,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:00,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:00,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:00,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:00,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:00,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:00,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:00,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:00,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:00,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:00,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:00,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:00,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:00,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:00,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:00,644 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:00,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:00,644 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:00,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:00,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:00,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:00,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:00,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:00,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:00,649 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:00,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:00,649 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:00,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:00,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:00,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:00,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:00,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:00,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:00,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:00,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:00,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:00,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:00,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:00,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:00,654 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 -> 1ca2577ffd707a1970c0f79b3a99e9efda98f5d8 [2019-11-26 17:12:01,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:01,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:01,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:01,135 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:01,136 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:01,137 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_20-2.c [2019-11-26 17:12:01,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d46ff7eb3/0296c0e475c44fbe98ca6331887f5263/FLAGdf203dd3b [2019-11-26 17:12:01,957 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:01,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_20-2.c [2019-11-26 17:12:01,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d46ff7eb3/0296c0e475c44fbe98ca6331887f5263/FLAGdf203dd3b [2019-11-26 17:12:02,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d46ff7eb3/0296c0e475c44fbe98ca6331887f5263 [2019-11-26 17:12:02,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:02,301 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:02,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:02,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:02,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:02,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5893cfee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:02, skipping insertion in model container [2019-11-26 17:12:02,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:02,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:02,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:02,667 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:02,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:02,705 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:02,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:02 WrapperNode [2019-11-26 17:12:02,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:02,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:02,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:02,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:02,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:02,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:02,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:02,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:02,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:02,852 INFO L168 Benchmark]: Toolchain (without parser) took 546.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:02,853 INFO L168 Benchmark]: CDTParser took 0.26 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 17:12:02,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.92 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 17:12:02,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.14 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 996.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:02,872 INFO L168 Benchmark]: Boogie Preprocessor took 25.10 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:02,880 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 401.92 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 108.14 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 996.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 25.10 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 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 17:12:05,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:05,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:05,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:05,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:05,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:05,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:05,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:05,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:05,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:05,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:05,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:05,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:05,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:05,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:05,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:05,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:05,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:05,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:05,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:05,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:05,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:05,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:05,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:05,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:05,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:05,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:05,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:05,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:05,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:05,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:05,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:05,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:05,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:05,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:05,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:05,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:05,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:05,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:05,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:05,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:05,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:05,716 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:05,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:05,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:05,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:05,721 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:05,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:05,722 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:05,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:05,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:05,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:05,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:05,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:05,726 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:05,727 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:05,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:05,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:05,727 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:05,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:05,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:05,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:05,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:05,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:05,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:05,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:05,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:05,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:05,730 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:05,732 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:05,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:05,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:05,733 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 -> 1ca2577ffd707a1970c0f79b3a99e9efda98f5d8 [2019-11-26 17:12:06,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:06,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:06,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:06,132 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:06,133 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:06,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_20-2.c [2019-11-26 17:12:06,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6de72c595/3d4e47d789c24e12a9b803007c4e4db7/FLAG84c227b22 [2019-11-26 17:12:06,935 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:06,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_20-2.c [2019-11-26 17:12:06,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6de72c595/3d4e47d789c24e12a9b803007c4e4db7/FLAG84c227b22 [2019-11-26 17:12:07,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6de72c595/3d4e47d789c24e12a9b803007c4e4db7 [2019-11-26 17:12:07,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:07,298 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:07,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:07,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:07,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:07,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364378cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:07, skipping insertion in model container [2019-11-26 17:12:07,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:07,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:07,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:07,670 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:07,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:07,698 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:07,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:07 WrapperNode [2019-11-26 17:12:07,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:07,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:07,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:07,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:07,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:07,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:07,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:07,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:07,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:07,821 INFO L168 Benchmark]: Toolchain (without parser) took 520.99 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 997.0 MB in the end (delta: -36.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:07,822 INFO L168 Benchmark]: CDTParser took 2.00 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 17:12:07,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.42 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 17:12:07,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.88 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 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:07,827 INFO L168 Benchmark]: Boogie Preprocessor took 18.89 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 17:12:07,832 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.00 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 398.42 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 97.88 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 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 18.89 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...