./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c --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/loop-industry-pattern/ofuf_4.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 d9173b5752f2ad7e2ef0e121ccbbcc0f8d06ad57 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_4.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 d9173b5752f2ad7e2ef0e121ccbbcc0f8d06ad57 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:13:56,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:56,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:56,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:56,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:56,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:56,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:56,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:56,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:56,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:56,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:56,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:56,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:56,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:56,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:56,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:56,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:56,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:56,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:56,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:56,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:56,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:56,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:56,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:56,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:56,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:56,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:56,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:56,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:56,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:56,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:56,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:56,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:56,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:56,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:56,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:56,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:56,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:56,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:56,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:56,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:56,380 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:56,420 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:56,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:56,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:56,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:56,429 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:56,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:56,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:56,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:56,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:56,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:56,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:56,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:56,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:56,437 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:56,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:56,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:56,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:56,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:56,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:56,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:56,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:56,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:56,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:56,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:56,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:56,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:56,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:56,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:56,446 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 -> d9173b5752f2ad7e2ef0e121ccbbcc0f8d06ad57 [2019-11-27 16:13:57,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:57,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:57,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:57,085 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:57,088 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:57,089 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2019-11-27 16:13:57,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf0d9565/d4b2d251712e4460ad6d3fab25d364b9/FLAG89d7e3fc2 [2019-11-27 16:13:58,473 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:58,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2019-11-27 16:13:58,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf0d9565/d4b2d251712e4460ad6d3fab25d364b9/FLAG89d7e3fc2 [2019-11-27 16:13:58,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf0d9565/d4b2d251712e4460ad6d3fab25d364b9 [2019-11-27 16:13:58,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:58,546 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:58,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:58,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:58,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:58,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:58" (1/1) ... [2019-11-27 16:13:58,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3459d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:58, skipping insertion in model container [2019-11-27 16:13:58,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:58" (1/1) ... [2019-11-27 16:13:58,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:58,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:59,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:59,454 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:59,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:59,673 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:59,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:59 WrapperNode [2019-11-27 16:13:59,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:59,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:59,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:59,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:59,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:59" (1/1) ... [2019-11-27 16:13:59,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:59" (1/1) ... [2019-11-27 16:13:59,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:59,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:59,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:59,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:59,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:59" (1/1) ... [2019-11-27 16:13:59,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:59" (1/1) ... [2019-11-27 16:13:59,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:59" (1/1) ... [2019-11-27 16:13:59,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:59" (1/1) ... [2019-11-27 16:13:59,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:59" (1/1) ... [2019-11-27 16:14:00,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:59" (1/1) ... [2019-11-27 16:14:00,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:59" (1/1) ... [2019-11-27 16:14:00,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:00,111 INFO L168 Benchmark]: Toolchain (without parser) took 1559.75 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 966.9 MB in the end (delta: -5.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:00,116 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. [2019-11-27 16:14:00,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1123.12 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 984.1 MB in the end (delta: -22.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:00,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.60 ms. Allocated memory is still 1.0 GB. Free memory was 984.1 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. [2019-11-27 16:14:00,133 INFO L168 Benchmark]: Boogie Preprocessor took 249.07 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 966.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:00,141 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 1123.12 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 984.1 MB in the end (delta: -22.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 177.60 ms. Allocated memory is still 1.0 GB. Free memory was 984.1 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 249.07 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 966.9 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 0.1.24-509859d [2019-11-27 16:14:04,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:04,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:04,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:04,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:04,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:04,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:04,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:04,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:04,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:04,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:04,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:04,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:04,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:04,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:04,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:04,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:04,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:04,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:04,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:04,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:04,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:04,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:04,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:04,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:04,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:04,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:04,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:04,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:04,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:04,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:04,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:04,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:04,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:04,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:04,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:04,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:04,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:04,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:04,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:04,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:04,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:14:04,313 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:04,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:04,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:04,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:04,323 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:04,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:04,324 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:04,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:04,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:04,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:04,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:04,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:04,328 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:14:04,331 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:14:04,332 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:04,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:04,332 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:04,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:04,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:04,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:04,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:04,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:04,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:04,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:04,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:04,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:04,339 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:14:04,339 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:14:04,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:04,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:14:04,343 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 -> d9173b5752f2ad7e2ef0e121ccbbcc0f8d06ad57 [2019-11-27 16:14:05,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:05,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:05,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:05,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:05,075 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:05,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2019-11-27 16:14:05,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acff30892/a3cc865534c2467ea6d0167a0dea83cf/FLAG20f945938 [2019-11-27 16:14:06,425 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:06,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2019-11-27 16:14:06,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acff30892/a3cc865534c2467ea6d0167a0dea83cf/FLAG20f945938 [2019-11-27 16:14:06,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acff30892/a3cc865534c2467ea6d0167a0dea83cf [2019-11-27 16:14:06,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:06,502 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:06,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:06,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:06,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:06,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:06" (1/1) ... [2019-11-27 16:14:06,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91324ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:06, skipping insertion in model container [2019-11-27 16:14:06,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:06" (1/1) ... [2019-11-27 16:14:06,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:06,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:07,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:07,502 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:07,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:07,810 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:07,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:07 WrapperNode [2019-11-27 16:14:07,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:07,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:07,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:07,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:07,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:07" (1/1) ... [2019-11-27 16:14:07,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:07" (1/1) ... [2019-11-27 16:14:08,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:08,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:08,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:08,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:08,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:07" (1/1) ... [2019-11-27 16:14:08,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:07" (1/1) ... [2019-11-27 16:14:08,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:07" (1/1) ... [2019-11-27 16:14:08,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:07" (1/1) ... [2019-11-27 16:14:08,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:07" (1/1) ... [2019-11-27 16:14:08,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:07" (1/1) ... [2019-11-27 16:14:08,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:07" (1/1) ... [2019-11-27 16:14:08,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:08,294 INFO L168 Benchmark]: Toolchain (without parser) took 1785.24 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 972.7 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:08,295 INFO L168 Benchmark]: CDTParser took 2.85 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:08,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1294.67 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 978.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:08,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 223.29 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:08,306 INFO L168 Benchmark]: Boogie Preprocessor took 247.03 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:08,318 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.85 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 1294.67 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 978.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 223.29 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 247.03 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 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...