./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_2.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_2.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 e112ed10880b57cbafaa3dde197e77ed469b9846 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_2.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 e112ed10880b57cbafaa3dde197e77ed469b9846 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:13:53,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:53,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:53,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:53,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:53,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:53,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:53,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:53,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:53,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:53,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:53,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:53,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:53,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:53,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:53,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:53,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:53,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:53,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:53,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:53,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:53,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:53,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:53,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:53,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:53,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:53,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:53,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:53,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:53,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:53,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:53,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:53,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:53,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:53,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:53,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:53,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:53,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:53,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:53,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:53,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:53,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:53,340 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:53,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:53,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:53,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:53,343 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:53,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:53,344 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:53,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:53,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:53,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:53,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:53,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:53,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:53,348 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:53,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:53,348 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:53,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:53,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:53,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:53,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:53,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:53,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:53,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:53,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:53,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:53,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:53,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:53,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:53,354 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 -> e112ed10880b57cbafaa3dde197e77ed469b9846 [2019-11-27 16:13:53,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:53,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:53,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:53,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:53,796 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:53,797 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2019-11-27 16:13:53,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa95f8a53/d16c60d0bd844a4085e16b42bbc39f08/FLAG048606640 [2019-11-27 16:13:54,690 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:54,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2019-11-27 16:13:54,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa95f8a53/d16c60d0bd844a4085e16b42bbc39f08/FLAG048606640 [2019-11-27 16:13:54,919 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa95f8a53/d16c60d0bd844a4085e16b42bbc39f08 [2019-11-27 16:13:54,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:54,924 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:54,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:54,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:54,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:54,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:54" (1/1) ... [2019-11-27 16:13:54,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2dc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:54, skipping insertion in model container [2019-11-27 16:13:54,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:54" (1/1) ... [2019-11-27 16:13:54,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:55,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:55,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:55,619 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:55,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:55,777 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:55,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:55 WrapperNode [2019-11-27 16:13:55,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:55,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:55,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:55,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:55,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:55" (1/1) ... [2019-11-27 16:13:55,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:55" (1/1) ... [2019-11-27 16:13:55,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:55,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:55,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:55,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:55,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:55" (1/1) ... [2019-11-27 16:13:55,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:55" (1/1) ... [2019-11-27 16:13:55,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:55" (1/1) ... [2019-11-27 16:13:55,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:55" (1/1) ... [2019-11-27 16:13:55,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:55" (1/1) ... [2019-11-27 16:13:56,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:55" (1/1) ... [2019-11-27 16:13:56,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:55" (1/1) ... [2019-11-27 16:13:56,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:56,063 INFO L168 Benchmark]: Toolchain (without parser) took 1136.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.7 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:56,066 INFO L168 Benchmark]: CDTParser took 1.65 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 16:13:56,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 984.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:56,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.00 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. [2019-11-27 16:13:56,073 INFO L168 Benchmark]: Boogie Preprocessor took 159.26 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 16:13:56,082 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65 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 847.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 984.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 120.00 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 159.26 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:13:58,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:58,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:58,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:58,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:58,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:58,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:58,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:58,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:58,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:58,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:58,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:58,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:58,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:58,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:58,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:58,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:58,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:58,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:58,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:58,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:58,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:58,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:58,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:58,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:58,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:58,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:58,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:58,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:58,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:58,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:58,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:58,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:58,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:58,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:58,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:58,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:58,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:58,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:58,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:58,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:58,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:58,907 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:58,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:58,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:58,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:58,915 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:58,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:58,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:58,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:58,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:58,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:58,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:58,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:58,917 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:58,918 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:58,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:58,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:58,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:58,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:58,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:58,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:58,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:58,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:58,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:58,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:58,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:58,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:58,923 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:58,923 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:58,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:58,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:58,924 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 -> e112ed10880b57cbafaa3dde197e77ed469b9846 [2019-11-27 16:13:59,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:59,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:59,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:59,369 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:59,370 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:59,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2019-11-27 16:13:59,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b32b5c43/95bf32fe1dfa4faf9fca7abe0d670fc2/FLAG9ceba1105 [2019-11-27 16:14:00,292 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:00,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2019-11-27 16:14:00,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b32b5c43/95bf32fe1dfa4faf9fca7abe0d670fc2/FLAG9ceba1105 [2019-11-27 16:14:00,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b32b5c43/95bf32fe1dfa4faf9fca7abe0d670fc2 [2019-11-27 16:14:00,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:00,506 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:00,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:00,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:00,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:00,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:00" (1/1) ... [2019-11-27 16:14:00,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2dc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:00, skipping insertion in model container [2019-11-27 16:14:00,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:00" (1/1) ... [2019-11-27 16:14:00,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:00,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:01,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:01,231 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:01,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:01,424 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:01,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:01 WrapperNode [2019-11-27 16:14:01,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:01,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:01,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:01,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:01,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:01" (1/1) ... [2019-11-27 16:14:01,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:01" (1/1) ... [2019-11-27 16:14:01,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:01,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:01,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:01,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:01,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:01" (1/1) ... [2019-11-27 16:14:01,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:01" (1/1) ... [2019-11-27 16:14:01,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:01" (1/1) ... [2019-11-27 16:14:01,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:01" (1/1) ... [2019-11-27 16:14:01,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:01" (1/1) ... [2019-11-27 16:14:01,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:01" (1/1) ... [2019-11-27 16:14:01,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:01" (1/1) ... [2019-11-27 16:14:01,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:01,725 INFO L168 Benchmark]: Toolchain (without parser) took 1212.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 972.7 MB in the end (delta: -9.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:01,726 INFO L168 Benchmark]: CDTParser took 0.23 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 16:14:01,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 912.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 978.4 MB in the end (delta: -15.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:01,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.53 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 16:14:01,735 INFO L168 Benchmark]: Boogie Preprocessor took 166.94 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 16:14:01,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 912.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 978.4 MB in the end (delta: -15.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 123.53 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 166.94 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...