./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/fib_bench_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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_longest-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 b19f01f665ac23aa83f563befdc8f7f9460ce127 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_longest-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 b19f01f665ac23aa83f563befdc8f7f9460ce127 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:29:30,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:30,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:30,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:30,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:30,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:30,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:30,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:30,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:30,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:30,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:30,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:30,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:30,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:30,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:30,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:30,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:30,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:30,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:30,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:30,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:30,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:30,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:30,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:30,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:30,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:30,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:30,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:30,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:30,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:30,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:30,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:30,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:30,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:30,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:30,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:30,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:30,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:30,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:30,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:30,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:30,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:29:30,794 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:30,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:30,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:30,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:30,804 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:30,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:30,805 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:30,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:29:30,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:30,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:30,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:30,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:30,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:30,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:30,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:30,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:30,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:30,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:30,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:30,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:30,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:30,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:30,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:30,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:30,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:30,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:29:30,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:29:30,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:30,816 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 -> b19f01f665ac23aa83f563befdc8f7f9460ce127 [2019-11-27 16:29:31,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:31,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:31,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:31,353 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:31,358 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:31,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/fib_bench_longest-2.i [2019-11-27 16:29:31,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b367cf38d/33957105c5794d11a60b830f2abc2912/FLAG4b4373ef6 [2019-11-27 16:29:32,616 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:32,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_bench_longest-2.i [2019-11-27 16:29:32,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b367cf38d/33957105c5794d11a60b830f2abc2912/FLAG4b4373ef6 [2019-11-27 16:29:32,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b367cf38d/33957105c5794d11a60b830f2abc2912 [2019-11-27 16:29:32,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:32,684 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:32,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:32,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:32,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:32,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:32" (1/1) ... [2019-11-27 16:29:32,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2b324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:32, skipping insertion in model container [2019-11-27 16:29:32,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:32" (1/1) ... [2019-11-27 16:29:32,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:32,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:33,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:33,823 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:33,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:34,105 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:34,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34 WrapperNode [2019-11-27 16:29:34,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:34,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:34,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:34,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:34,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:34,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:34,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:34,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:34,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:34,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:34,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:34,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:34,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:34,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:34,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:34,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:34,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:34,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:34,347 INFO L168 Benchmark]: Toolchain (without parser) took 1650.37 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 16:29:34,349 INFO L168 Benchmark]: CDTParser took 0.41 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 16:29:34,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1423.23 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 16:29:34,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.02 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 16:29:34,357 INFO L168 Benchmark]: Boogie Preprocessor took 90.13 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 16:29:34,367 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 1423.23 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 131.02 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 90.13 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 0.1.24-509859d [2019-11-27 16:29:38,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:38,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:38,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:38,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:38,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:38,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:38,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:38,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:38,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:38,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:38,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:38,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:38,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:38,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:38,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:38,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:38,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:38,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:38,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:38,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:38,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:38,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:38,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:38,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:38,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:38,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:38,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:38,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:38,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:38,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:38,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:38,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:38,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:38,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:38,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:38,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:38,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:38,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:38,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:38,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:38,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:29:38,413 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:38,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:38,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:38,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:38,423 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:38,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:38,424 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:38,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:38,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:38,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:38,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:38,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:38,426 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:29:38,427 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:29:38,428 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:38,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:38,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:38,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:38,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:38,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:38,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:38,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:38,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:38,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:38,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:38,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:38,436 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:29:38,436 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:29:38,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:38,437 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:29:38,438 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 -> b19f01f665ac23aa83f563befdc8f7f9460ce127 [2019-11-27 16:29:38,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:39,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:39,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:39,026 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:39,029 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:39,031 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/fib_bench_longest-2.i [2019-11-27 16:29:39,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d0f2dac5/16ec74efb35d45e788c3175e04322b7d/FLAGf4deafb6e [2019-11-27 16:29:40,420 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:40,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_bench_longest-2.i [2019-11-27 16:29:40,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d0f2dac5/16ec74efb35d45e788c3175e04322b7d/FLAGf4deafb6e [2019-11-27 16:29:40,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d0f2dac5/16ec74efb35d45e788c3175e04322b7d [2019-11-27 16:29:40,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:40,515 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:40,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:40,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:40,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:40,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:40" (1/1) ... [2019-11-27 16:29:40,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2b324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:40, skipping insertion in model container [2019-11-27 16:29:40,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:40" (1/1) ... [2019-11-27 16:29:40,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:40,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:41,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:41,715 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:41,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:42,046 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:42,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:42 WrapperNode [2019-11-27 16:29:42,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:42,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:42,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:42,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:42,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:42,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:42,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:42,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:42,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:42,326 INFO L168 Benchmark]: Toolchain (without parser) took 1810.12 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 966.7 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:42,331 INFO L168 Benchmark]: CDTParser took 0.39 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 16:29:42,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1528.53 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 972.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:42,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.25 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:42,341 INFO L168 Benchmark]: Boogie Preprocessor took 119.70 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:42,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1528.53 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 972.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 151.25 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 119.70 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 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...