./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 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_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 0.1.24-509859d [2019-11-27 16:13:55,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:55,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:55,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:55,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:55,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:55,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:55,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:55,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:55,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:55,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:55,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:55,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:55,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:55,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:55,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:55,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:55,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:55,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:55,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:55,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:55,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:55,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:55,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:55,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:55,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:55,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:55,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:55,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:55,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:55,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:55,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:55,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:55,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:55,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:55,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:55,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:55,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:55,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:55,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:55,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:55,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:55,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:55,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:55,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:55,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:55,926 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:55,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:55,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:55,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:55,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:55,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:55,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:55,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:55,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:55,932 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:55,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:55,933 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:55,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:55,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:55,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:55,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:55,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:55,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:55,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:55,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:55,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:55,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:55,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:55,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:55,942 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 [2019-11-27 16:13:56,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:56,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:56,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:56,587 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:56,588 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:56,589 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2019-11-27 16:13:56,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f49c50d3/2395cf87ebea4a7ea416f199a13378ca/FLAG1d4b9a292 [2019-11-27 16:13:57,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:57,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2019-11-27 16:13:57,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f49c50d3/2395cf87ebea4a7ea416f199a13378ca/FLAG1d4b9a292 [2019-11-27 16:13:58,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f49c50d3/2395cf87ebea4a7ea416f199a13378ca [2019-11-27 16:13:58,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:58,392 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:58,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:58,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:58,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:58,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:58" (1/1) ... [2019-11-27 16:13:58,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f5704ee 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 16:13:58,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:58" (1/1) ... [2019-11-27 16:13:58,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:58,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:59,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:59,482 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:59,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:59,737 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:59,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:59 WrapperNode [2019-11-27 16:13:59,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:59,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:59,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:59,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:59,757 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 16:13:59,803 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 16:13:59,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:59,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:59,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:59,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:59,932 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 16:13:59,933 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 16:13:59,965 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 16:13:59,965 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 16:14:00,069 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 16:14:00,110 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 16:14:00,130 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 16:14:00,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:00,166 INFO L168 Benchmark]: Toolchain (without parser) took 1766.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.4 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:00,168 INFO L168 Benchmark]: CDTParser took 1.75 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 16:14:00,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1340.04 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 979.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:00,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.37 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:00,174 INFO L168 Benchmark]: Boogie Preprocessor took 243.01 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:00,187 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.75 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 1340.04 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 979.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 166.37 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 243.01 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 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 16:14:04,075 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 16:14:04,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:04,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:04,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:04,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:04,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:04,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:04,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:04,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:04,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:04,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:04,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:04,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:04,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:04,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:04,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:04,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:04,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:04,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:04,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:04,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:04,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:04,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:04,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:04,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:04,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:04,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:04,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:04,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:04,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:04,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:04,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:04,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:04,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:04,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:04,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:04,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:04,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:04,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:04,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:14:04,302 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:04,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:04,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:04,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:04,310 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:04,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:04,313 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:04,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:04,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:04,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:04,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:04,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:04,316 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:14:04,318 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:14:04,319 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:04,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:04,319 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:04,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:04,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:04,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:04,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:04,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:04,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:04,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:04,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:04,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:04,326 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:14:04,327 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:14:04,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:04,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:14:04,329 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 [2019-11-27 16:14:04,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:04,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:04,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:04,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:04,978 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:04,980 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2019-11-27 16:14:05,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2366d09a0/97a99d8fa7ef48ecaefab5a580653636/FLAG0589b2ea8 [2019-11-27 16:14:06,327 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:06,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2019-11-27 16:14:06,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2366d09a0/97a99d8fa7ef48ecaefab5a580653636/FLAG0589b2ea8 [2019-11-27 16:14:06,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2366d09a0/97a99d8fa7ef48ecaefab5a580653636 [2019-11-27 16:14:06,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:06,394 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:06,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:06,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:06,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:06,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:06" (1/1) ... [2019-11-27 16:14:06,419 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 27.11 04:14:06, skipping insertion in model container [2019-11-27 16:14:06,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:06" (1/1) ... [2019-11-27 16:14:06,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:06,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:07,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:07,478 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:07,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:07,772 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:07,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:07 WrapperNode [2019-11-27 16:14:07,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:07,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:07,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:07,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:07,806 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 16:14:07,861 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 16:14:07,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:07,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:07,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:07,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:08,002 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 16:14:08,002 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 16:14:08,028 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 16:14:08,029 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 16:14:08,129 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 16:14:08,164 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 16:14:08,186 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 16:14:08,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:08,229 INFO L168 Benchmark]: Toolchain (without parser) took 1827.97 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: 455.0 kB). Peak memory consumption was 520.6 kB. Max. memory is 12.5 GB. [2019-11-27 16:14:08,231 INFO L168 Benchmark]: CDTParser took 1.89 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 16:14:08,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1364.39 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 16:14:08,241 INFO L168 Benchmark]: Boogie Procedure Inliner took 207.85 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 16:14:08,242 INFO L168 Benchmark]: Boogie Preprocessor took 236.75 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. [2019-11-27 16:14:08,255 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.89 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 1364.39 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 207.85 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 236.75 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...