./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/loop-industry-pattern/ofuf_3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa745eb37a305c705c876c4aeeab00de01c4148b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-industry-pattern/ofuf_3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa745eb37a305c705c876c4aeeab00de01c4148b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:57:03,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:03,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:03,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:03,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:03,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:03,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:04,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:04,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:04,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:04,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:04,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:04,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:04,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:04,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:04,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:04,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:04,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:04,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:04,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:04,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:04,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:04,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:04,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:04,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:04,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:04,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:04,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:04,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:04,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:04,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:04,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:04,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:04,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:04,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:04,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:04,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:04,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:04,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:04,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:04,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:04,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:57:04,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:04,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:04,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:04,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:04,182 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:04,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:04,182 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:04,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:57:04,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:04,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:04,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:04,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:04,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:04,187 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:04,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:04,190 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:04,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:04,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:04,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:04,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:04,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:04,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:04,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:04,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:04,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:04,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:57:04,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:57:04,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:04,197 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 -> aa745eb37a305c705c876c4aeeab00de01c4148b [2019-11-25 22:57:04,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:04,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:04,800 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:04,802 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:04,806 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:04,807 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2019-11-25 22:57:04,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82545018f/c4bfe407593d47f7bc60ea3c7f653c47/FLAG664ec1ce0 [2019-11-25 22:57:06,179 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:06,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2019-11-25 22:57:06,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82545018f/c4bfe407593d47f7bc60ea3c7f653c47/FLAG664ec1ce0 [2019-11-25 22:57:06,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82545018f/c4bfe407593d47f7bc60ea3c7f653c47 [2019-11-25 22:57:06,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:06,264 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:06,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:06,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:06,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:06,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:06" (1/1) ... [2019-11-25 22:57:06,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e3f9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:06, skipping insertion in model container [2019-11-25 22:57:06,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:06" (1/1) ... [2019-11-25 22:57:06,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:06,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:07,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:07,282 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:07,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:07,506 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:07,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:07 WrapperNode [2019-11-25 22:57:07,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:07,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:07,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:07,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:07,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:07" (1/1) ... [2019-11-25 22:57:07,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:07" (1/1) ... [2019-11-25 22:57:07,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:07,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:07,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:07,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:07,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:07" (1/1) ... [2019-11-25 22:57:07,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:07" (1/1) ... [2019-11-25 22:57:07,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:07" (1/1) ... [2019-11-25 22:57:07,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:07" (1/1) ... [2019-11-25 22:57:07,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:07" (1/1) ... [2019-11-25 22:57:07,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:07" (1/1) ... [2019-11-25 22:57:07,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:07" (1/1) ... [2019-11-25 22:57:07,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:07,920 INFO L168 Benchmark]: Toolchain (without parser) took 1649.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 967.0 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:07,922 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-25 22:57:07,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1239.37 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 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:07,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.39 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:07,934 INFO L168 Benchmark]: Boogie Preprocessor took 230.78 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 967.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:07,944 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1239.37 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 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 169.39 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 230.78 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 967.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 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 0.1.24-65d6cd2 [2019-11-25 22:57:11,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:11,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:12,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:12,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:12,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:12,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:12,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:12,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:12,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:12,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:12,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:12,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:12,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:12,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:12,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:12,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:12,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:12,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:12,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:12,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:12,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:12,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:12,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:12,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:12,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:12,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:12,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:12,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:12,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:12,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:12,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:12,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:12,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:12,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:12,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:12,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:12,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:12,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:12,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:12,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:12,181 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:57:12,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:12,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:12,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:12,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:12,231 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:12,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:12,232 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:12,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:12,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:12,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:12,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:12,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:12,237 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:57:12,237 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:57:12,238 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:12,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:12,240 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:12,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:12,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:12,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:12,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:12,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:12,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:12,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:12,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:12,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:12,246 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:57:12,246 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:57:12,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:12,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:57:12,252 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 -> aa745eb37a305c705c876c4aeeab00de01c4148b [2019-11-25 22:57:12,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:12,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:12,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:12,934 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:12,937 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:12,939 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2019-11-25 22:57:13,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8592120eb/8ea06612a9544ee5acc67fff9fcdfe46/FLAG620b63d1d [2019-11-25 22:57:14,264 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:14,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2019-11-25 22:57:14,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8592120eb/8ea06612a9544ee5acc67fff9fcdfe46/FLAG620b63d1d [2019-11-25 22:57:14,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8592120eb/8ea06612a9544ee5acc67fff9fcdfe46 [2019-11-25 22:57:14,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:14,381 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:14,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:14,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:14,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:14,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:14" (1/1) ... [2019-11-25 22:57:14,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ddd501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:14, skipping insertion in model container [2019-11-25 22:57:14,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:14" (1/1) ... [2019-11-25 22:57:14,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:14,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:15,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:15,460 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:15,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:15,752 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:15,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:15 WrapperNode [2019-11-25 22:57:15,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:15,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:15,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:15,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:15,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:15" (1/1) ... [2019-11-25 22:57:15,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:15" (1/1) ... [2019-11-25 22:57:15,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:15,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:15,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:15,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:15,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:15" (1/1) ... [2019-11-25 22:57:15,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:15" (1/1) ... [2019-11-25 22:57:15,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:15" (1/1) ... [2019-11-25 22:57:15,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:15" (1/1) ... [2019-11-25 22:57:16,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:15" (1/1) ... [2019-11-25 22:57:16,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:15" (1/1) ... [2019-11-25 22:57:16,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:15" (1/1) ... [2019-11-25 22:57:16,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:16,169 INFO L168 Benchmark]: Toolchain (without parser) took 1783.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 967.0 MB in the end (delta: 381.7 kB). Peak memory consumption was 447.3 kB. Max. memory is 12.5 GB. [2019-11-25 22:57:16,170 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-25 22:57:16,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1358.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.8 MB in the end (delta: -5.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:16,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.28 ms. Allocated memory is still 1.0 GB. Free memory was 972.8 MB in the beginning and 967.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:16,177 INFO L168 Benchmark]: Boogie Preprocessor took 232.35 ms. Allocated memory is still 1.0 GB. Free memory is still 967.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:16,189 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1358.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.8 MB in the end (delta: -5.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 170.28 ms. Allocated memory is still 1.0 GB. Free memory was 972.8 MB in the beginning and 967.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 232.35 ms. Allocated memory is still 1.0 GB. Free memory is still 967.0 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...