./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id_i15_o15-2.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 ad4e6ad99a266ddeead98987e8e44db723af5bc7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_i15_o15-2.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 ad4e6ad99a266ddeead98987e8e44db723af5bc7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:59:58,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:58,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:58,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:58,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:58,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:58,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:58,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:58,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:58,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:58,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:58,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:58,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:58,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:58,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:58,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:58,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:58,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:58,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:58,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:58,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:58,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:58,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:58,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:58,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:58,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:58,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:58,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:58,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:58,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:58,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:58,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:58,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:58,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:58,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:58,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:58,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:58,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:58,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:58,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:58,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:58,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:59:58,688 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:58,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:58,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:58,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:58,695 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:58,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:58,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:58,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:59:58,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:58,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:58,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:58,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:58,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:58,703 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:58,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:58,704 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:58,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:58,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:58,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:58,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:58,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:58,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:58,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:58,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:58,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:58,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:59:58,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:59:58,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:58,710 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 -> ad4e6ad99a266ddeead98987e8e44db723af5bc7 [2019-11-27 09:59:59,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:59,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:59,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:59,318 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:59,319 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:59,322 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-11-27 09:59:59,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0fa175e3/705e1e43c83e4267801cab5ce19c83b6/FLAG6f9508be7 [2019-11-27 10:00:00,467 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:00,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-11-27 10:00:00,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0fa175e3/705e1e43c83e4267801cab5ce19c83b6/FLAG6f9508be7 [2019-11-27 10:00:00,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0fa175e3/705e1e43c83e4267801cab5ce19c83b6 [2019-11-27 10:00:00,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:00,537 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:00,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:00,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:00,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:00,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:00,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f01879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:00, skipping insertion in model container [2019-11-27 10:00:00,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:00" (1/1) ... [2019-11-27 10:00:00,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:00,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:00,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:00,997 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:01,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:01,040 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:01,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:01 WrapperNode [2019-11-27 10:00:01,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:01,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:01,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:01,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:01,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:01,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:01,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:01,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:01,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:01,246 INFO L168 Benchmark]: Toolchain (without parser) took 706.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:01,252 INFO L168 Benchmark]: CDTParser took 0.50 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. [2019-11-27 10:00:01,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.30 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. [2019-11-27 10:00:01,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:01,258 INFO L168 Benchmark]: Boogie Preprocessor took 34.26 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. [2019-11-27 10:00:01,268 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 504.30 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 161.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 34.26 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-da95e15 [2019-11-27 10:00:05,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:05,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:05,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:05,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:05,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:05,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:05,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:05,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:05,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:05,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:05,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:05,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:05,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:05,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:05,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:05,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:05,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:05,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:05,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:05,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:05,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:05,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:05,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:05,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:05,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:05,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:05,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:05,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:05,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:05,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:05,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:05,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:05,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:05,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:05,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:05,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:05,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:05,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:05,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:05,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:05,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:05,283 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:05,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:05,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:05,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:05,291 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:05,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:05,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:05,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:05,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:05,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:05,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:05,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:05,296 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:05,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:05,302 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:05,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:05,302 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:05,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:05,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:05,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:05,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:05,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:05,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:05,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:05,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:05,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:05,305 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:05,306 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:05,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:05,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:05,309 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 -> ad4e6ad99a266ddeead98987e8e44db723af5bc7 [2019-11-27 10:00:05,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:05,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:05,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:05,904 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:05,907 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:05,909 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-11-27 10:00:06,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b228b14/067b6d2aee0f4c74b521b8d6c2459508/FLAGb0a96fe2e [2019-11-27 10:00:07,108 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:07,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-11-27 10:00:07,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b228b14/067b6d2aee0f4c74b521b8d6c2459508/FLAGb0a96fe2e [2019-11-27 10:00:07,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b228b14/067b6d2aee0f4c74b521b8d6c2459508 [2019-11-27 10:00:07,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:07,178 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:07,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:07,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:07,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:07,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f01879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07, skipping insertion in model container [2019-11-27 10:00:07,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:07,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:07,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:07,674 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:07,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:07,745 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:07,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07 WrapperNode [2019-11-27 10:00:07,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:07,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:07,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:07,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:07,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:07,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:07,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:07,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:07,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:07,969 INFO L168 Benchmark]: Toolchain (without parser) took 783.58 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. [2019-11-27 10:00:07,971 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-27 10:00:07,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.89 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. [2019-11-27 10:00:07,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.79 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. [2019-11-27 10:00:07,983 INFO L168 Benchmark]: Boogie Preprocessor took 45.12 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. [2019-11-27 10:00:07,993 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 568.89 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 162.79 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 45.12 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...