./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/fib_bench_longer-2.i --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/pthread/fib_bench_longer-2.i -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 d4ff39e4b253fa130f727943d4cc21d698034ec8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/pthread/fib_bench_longer-2.i -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 d4ff39e4b253fa130f727943d4cc21d698034ec8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:07:39,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:07:39,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:07:39,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:07:39,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:07:39,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:07:39,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:07:39,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:07:39,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:07:39,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:07:39,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:07:39,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:07:39,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:07:39,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:07:39,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:07:39,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:07:39,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:07:39,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:07:39,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:07:39,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:07:39,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:07:39,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:07:39,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:07:39,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:07:39,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:07:39,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:07:39,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:07:39,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:07:39,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:07:39,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:07:39,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:07:39,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:07:39,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:07:39,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:07:39,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:07:39,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:07:39,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:07:39,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:07:39,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:07:39,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:07:40,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:07:40,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:07:40,054 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:07:40,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:07:40,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:07:40,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:07:40,064 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:07:40,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:07:40,065 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:07:40,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:07:40,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:07:40,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:07:40,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:07:40,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:07:40,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:07:40,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:07:40,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:07:40,074 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:07:40,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:07:40,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:07:40,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:07:40,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:07:40,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:07:40,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:07:40,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:07:40,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:07:40,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:07:40,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:07:40,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:07:40,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:07:40,081 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 -> d4ff39e4b253fa130f727943d4cc21d698034ec8 [2019-11-27 10:07:40,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:07:40,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:07:40,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:07:40,634 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:07:40,636 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:07:40,637 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/fib_bench_longer-2.i [2019-11-27 10:07:40,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01e5c94d1/43adc9634bb943aea814859efe42c56c/FLAGfee9b1803 [2019-11-27 10:07:41,991 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:07:41,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_bench_longer-2.i [2019-11-27 10:07:42,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01e5c94d1/43adc9634bb943aea814859efe42c56c/FLAGfee9b1803 [2019-11-27 10:07:42,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01e5c94d1/43adc9634bb943aea814859efe42c56c [2019-11-27 10:07:42,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:07:42,508 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:07:42,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:42,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:07:42,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:07:42,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:42" (1/1) ... [2019-11-27 10:07:42,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7ae881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:42, skipping insertion in model container [2019-11-27 10:07:42,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:42" (1/1) ... [2019-11-27 10:07:42,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:07:42,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:07:43,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:43,605 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:07:43,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:43,808 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:07:43,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:43 WrapperNode [2019-11-27 10:07:43,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:43,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:43,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:07:43,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:07:43,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:43" (1/1) ... [2019-11-27 10:07:43,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:43" (1/1) ... [2019-11-27 10:07:43,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:43,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:07:43,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:07:43,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:07:43,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:43" (1/1) ... [2019-11-27 10:07:43,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:43" (1/1) ... [2019-11-27 10:07:43,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:43" (1/1) ... [2019-11-27 10:07:43,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:43" (1/1) ... [2019-11-27 10:07:43,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:43" (1/1) ... [2019-11-27 10:07:43,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:43" (1/1) ... [2019-11-27 10:07:43,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:43" (1/1) ... [2019-11-27 10:07:43,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:07:43,984 INFO L168 Benchmark]: Toolchain (without parser) took 1459.03 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 968.2 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:07:43,987 INFO L168 Benchmark]: CDTParser took 1.36 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 10:07:43,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1287.91 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:43,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.93 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:07:43,996 INFO L168 Benchmark]: Boogie Preprocessor took 61.05 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:44,012 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 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 1287.91 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 90.93 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.05 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 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-da95e15 [2019-11-27 10:07:47,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:07:47,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:07:47,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:07:47,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:07:47,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:07:47,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:07:47,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:07:47,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:07:47,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:07:47,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:07:47,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:07:47,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:07:47,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:07:47,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:07:47,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:07:47,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:07:47,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:07:47,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:07:47,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:07:47,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:07:47,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:07:47,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:07:47,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:07:47,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:07:47,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:07:47,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:07:47,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:07:47,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:07:47,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:07:47,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:07:47,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:07:47,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:07:47,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:07:47,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:07:47,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:07:47,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:07:47,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:07:47,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:07:47,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:07:47,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:07:47,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:07:48,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:07:48,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:07:48,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:07:48,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:07:48,026 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:07:48,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:07:48,027 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:07:48,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:07:48,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:07:48,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:07:48,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:07:48,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:07:48,030 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:07:48,031 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:07:48,031 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:07:48,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:07:48,033 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:07:48,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:07:48,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:07:48,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:07:48,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:07:48,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:07:48,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:07:48,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:07:48,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:07:48,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:07:48,039 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:07:48,039 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:07:48,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:07:48,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:07:48,041 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 -> d4ff39e4b253fa130f727943d4cc21d698034ec8 [2019-11-27 10:07:48,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:07:48,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:07:48,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:07:48,651 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:07:48,652 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:07:48,654 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/fib_bench_longer-2.i [2019-11-27 10:07:48,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e515d3cc/5722992901b24ad78a49ab5ac0902c8d/FLAGd52ef6a80 [2019-11-27 10:07:50,004 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:07:50,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_bench_longer-2.i [2019-11-27 10:07:50,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e515d3cc/5722992901b24ad78a49ab5ac0902c8d/FLAGd52ef6a80 [2019-11-27 10:07:50,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e515d3cc/5722992901b24ad78a49ab5ac0902c8d [2019-11-27 10:07:50,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:07:50,111 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:07:50,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:50,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:07:50,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:07:50,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:50" (1/1) ... [2019-11-27 10:07:50,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12144453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:50, skipping insertion in model container [2019-11-27 10:07:50,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:50" (1/1) ... [2019-11-27 10:07:50,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:07:50,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:07:51,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:51,240 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:07:51,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:51,564 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:07:51,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:51 WrapperNode [2019-11-27 10:07:51,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:51,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:51,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:07:51,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:07:51,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:51" (1/1) ... [2019-11-27 10:07:51,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:51" (1/1) ... [2019-11-27 10:07:51,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:51,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:07:51,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:07:51,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:07:51,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:51" (1/1) ... [2019-11-27 10:07:51,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:51" (1/1) ... [2019-11-27 10:07:51,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:51" (1/1) ... [2019-11-27 10:07:51,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:51" (1/1) ... [2019-11-27 10:07:51,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:51" (1/1) ... [2019-11-27 10:07:51,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:51" (1/1) ... [2019-11-27 10:07:51,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:51" (1/1) ... [2019-11-27 10:07:51,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:07:51,816 INFO L168 Benchmark]: Toolchain (without parser) took 1703.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 961.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:51,817 INFO L168 Benchmark]: CDTParser took 3.10 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:07:51,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1456.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 966.7 MB in the end (delta: -730.8 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:51,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.84 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 961.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:51,823 INFO L168 Benchmark]: Boogie Preprocessor took 104.84 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:07:51,842 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.10 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1456.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 966.7 MB in the end (delta: -730.8 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 132.84 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 961.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 104.84 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 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...