./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/fib_bench-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-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 d71933ad12e9929e683655ce5cd744123d645916 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-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 d71933ad12e9929e683655ce5cd744123d645916 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:29:27,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:27,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:28,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:28,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:28,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:28,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:28,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:28,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:28,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:28,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:28,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:28,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:28,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:28,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:28,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:28,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:28,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:28,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:28,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:28,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:28,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:28,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:28,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:28,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:28,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:28,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:28,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:28,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:28,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:28,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:28,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:28,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:28,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:28,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:28,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:28,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:28,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:28,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:28,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:28,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:28,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:29:28,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:28,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:28,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:28,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:28,234 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:28,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:28,237 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:28,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:29:28,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:28,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:28,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:28,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:28,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:28,242 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:28,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:28,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:28,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:28,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:28,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:28,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:28,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:28,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:28,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:28,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:28,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:28,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:29:28,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:29:28,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:28,250 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 -> d71933ad12e9929e683655ce5cd744123d645916 [2019-11-27 16:29:28,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:28,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:28,934 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:28,937 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:28,942 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:28,943 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/fib_bench-2.i [2019-11-27 16:29:29,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fabbf0f23/fe979260d5a641d0ab9506602cb08986/FLAG3f01180af [2019-11-27 16:29:30,320 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:30,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_bench-2.i [2019-11-27 16:29:30,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fabbf0f23/fe979260d5a641d0ab9506602cb08986/FLAG3f01180af [2019-11-27 16:29:30,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fabbf0f23/fe979260d5a641d0ab9506602cb08986 [2019-11-27 16:29:30,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:30,392 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:30,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:30,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:30,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:30,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:30" (1/1) ... [2019-11-27 16:29:30,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dacc51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:30, skipping insertion in model container [2019-11-27 16:29:30,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:30" (1/1) ... [2019-11-27 16:29:30,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:30,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:31,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:31,531 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:31,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:31,823 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:31,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:31 WrapperNode [2019-11-27 16:29:31,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:31,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:31,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:31,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:31,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:31" (1/1) ... [2019-11-27 16:29:31,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:31" (1/1) ... [2019-11-27 16:29:31,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:31,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:31,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:31,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:31,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:31" (1/1) ... [2019-11-27 16:29:31,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:31" (1/1) ... [2019-11-27 16:29:31,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:31" (1/1) ... [2019-11-27 16:29:31,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:31" (1/1) ... [2019-11-27 16:29:32,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:31" (1/1) ... [2019-11-27 16:29:32,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:31" (1/1) ... [2019-11-27 16:29:32,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:31" (1/1) ... [2019-11-27 16:29:32,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:32,080 INFO L168 Benchmark]: Toolchain (without parser) took 1669.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 961.0 MB in the end (delta: -758.1 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:32,081 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 16:29:32,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1420.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 966.7 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:32,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.86 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 16:29:32,091 INFO L168 Benchmark]: Boogie Preprocessor took 82.11 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 16:29:32,103 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 1420.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 966.7 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 145.86 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. * Boogie Preprocessor took 82.11 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. 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 16:29:36,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:36,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:36,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:36,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:36,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:36,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:36,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:36,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:36,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:36,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:36,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:36,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:36,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:36,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:36,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:36,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:36,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:36,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:36,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:36,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:36,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:36,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:36,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:36,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:36,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:36,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:36,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:36,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:36,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:36,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:36,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:36,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:36,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:36,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:36,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:36,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:36,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:36,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:36,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:36,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:36,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:29:36,281 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:36,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:36,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:36,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:36,292 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:36,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:36,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:36,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:36,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:36,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:36,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:36,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:36,298 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:29:36,299 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:29:36,299 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:36,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:36,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:36,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:36,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:36,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:36,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:36,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:36,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:36,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:36,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:36,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:36,305 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:29:36,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:29:36,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:36,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:29:36,310 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 -> d71933ad12e9929e683655ce5cd744123d645916 [2019-11-27 16:29:36,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:36,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:36,907 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:36,911 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:36,914 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:36,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/fib_bench-2.i [2019-11-27 16:29:37,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e76d7f211/bbce3232c8c040ff9c5e626e77d1b1d3/FLAGb9f399435 [2019-11-27 16:29:38,305 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:38,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_bench-2.i [2019-11-27 16:29:38,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e76d7f211/bbce3232c8c040ff9c5e626e77d1b1d3/FLAGb9f399435 [2019-11-27 16:29:38,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e76d7f211/bbce3232c8c040ff9c5e626e77d1b1d3 [2019-11-27 16:29:38,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:38,395 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:38,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:38,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:38,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:38,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:38" (1/1) ... [2019-11-27 16:29:38,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dacc51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:38, skipping insertion in model container [2019-11-27 16:29:38,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:38" (1/1) ... [2019-11-27 16:29:38,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:38,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:39,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:39,596 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:39,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:39,882 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:39,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39 WrapperNode [2019-11-27 16:29:39,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:39,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:39,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:39,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:39,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:39,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:40,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:40,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:40,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:40,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:40,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:40,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:40,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:40,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:40,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:40,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:40,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:40,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:40,108 INFO L168 Benchmark]: Toolchain (without parser) took 1708.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 966.7 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:40,109 INFO L168 Benchmark]: CDTParser took 0.91 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 16:29:40,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1481.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:40,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.74 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 16:29:40,124 INFO L168 Benchmark]: Boogie Preprocessor took 82.52 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 16:29:40,139 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 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 1481.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.4 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 130.74 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 82.52 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...