./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 da95e156 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-da95e15 [2019-11-27 09:52:04,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:04,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:04,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:04,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:04,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:04,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:04,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:04,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:04,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:04,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:04,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:04,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:04,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:04,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:04,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:04,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:04,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:04,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:04,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:04,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:04,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:04,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:04,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:04,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:04,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:04,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:04,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:04,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:04,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:04,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:04,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:04,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:04,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:05,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:05,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:05,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:05,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:05,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:05,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:05,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:05,012 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:52:05,053 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:05,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:05,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:05,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:05,061 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:05,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:05,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:05,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:52:05,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:05,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:05,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:05,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:05,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:05,068 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:05,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:05,069 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:05,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:05,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:05,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:05,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:05,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:05,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:05,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:05,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:05,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:05,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:52:05,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:52:05,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:05,075 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 09:52:05,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:05,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:05,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:05,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:05,691 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:05,692 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2019-11-27 09:52:05,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d13e24ea/6335bb42c6b5419ebb62a1a89bb57be1/FLAG4dd439a27 [2019-11-27 09:52:07,041 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:07,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2019-11-27 09:52:07,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d13e24ea/6335bb42c6b5419ebb62a1a89bb57be1/FLAG4dd439a27 [2019-11-27 09:52:07,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d13e24ea/6335bb42c6b5419ebb62a1a89bb57be1 [2019-11-27 09:52:07,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:07,125 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:07,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:07,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:07,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:07,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:07" (1/1) ... [2019-11-27 09:52:07,149 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 09:52:07, skipping insertion in model container [2019-11-27 09:52:07,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:07" (1/1) ... [2019-11-27 09:52:07,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:07,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:08,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:08,151 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:08,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:08,372 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:08,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:08 WrapperNode [2019-11-27 09:52:08,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:08,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:08,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:08,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:08,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:08" (1/1) ... [2019-11-27 09:52:08,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:08" (1/1) ... [2019-11-27 09:52:08,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:08,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:08,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:08,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:08,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:08" (1/1) ... [2019-11-27 09:52:08,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:08" (1/1) ... [2019-11-27 09:52:08,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:08" (1/1) ... [2019-11-27 09:52:08,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:08" (1/1) ... [2019-11-27 09:52:08,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:08" (1/1) ... [2019-11-27 09:52:08,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:08" (1/1) ... [2019-11-27 09:52:08,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:08" (1/1) ... [2019-11-27 09:52:08,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:08,784 INFO L168 Benchmark]: Toolchain (without parser) took 1653.67 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 967.0 MB in the end (delta: 445.1 kB). Peak memory consumption was 510.6 kB. Max. memory is 12.5 GB. [2019-11-27 09:52:08,786 INFO L168 Benchmark]: CDTParser took 1.57 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 09:52:08,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1245.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.2 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:08,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.63 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 09:52:08,798 INFO L168 Benchmark]: Boogie Preprocessor took 234.32 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 09:52:08,811 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.57 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 1245.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.2 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 165.63 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 234.32 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 967.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:52:12,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:12,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:12,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:12,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:12,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:12,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:12,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:12,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:12,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:12,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:12,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:12,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:12,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:12,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:12,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:12,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:12,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:12,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:12,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:12,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:12,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:12,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:12,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:12,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:12,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:12,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:12,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:12,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:12,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:12,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:12,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:12,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:12,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:12,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:12,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:12,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:12,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:12,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:12,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:12,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:12,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:52:12,776 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:12,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:12,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:12,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:12,783 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:12,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:12,786 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:12,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:12,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:12,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:12,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:12,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:12,789 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:52:12,789 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:52:12,789 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:12,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:12,790 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:12,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:12,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:12,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:12,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:12,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:12,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:12,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:12,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:12,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:12,796 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:52:12,796 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:52:12,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:12,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:52:12,799 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 09:52:13,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:13,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:13,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:13,363 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:13,366 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:13,368 INFO L428 ainManager$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 09:52:13,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5efb6914/f7e4a0afe768409aa2c9fa91e86b9ada/FLAG66386f2b2 [2019-11-27 09:52:14,670 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:14,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2019-11-27 09:52:14,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5efb6914/f7e4a0afe768409aa2c9fa91e86b9ada/FLAG66386f2b2 [2019-11-27 09:52:14,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5efb6914/f7e4a0afe768409aa2c9fa91e86b9ada [2019-11-27 09:52:14,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:14,828 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:14,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:14,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:14,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:14,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:14" (1/1) ... [2019-11-27 09:52:14,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ddd501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:14, skipping insertion in model container [2019-11-27 09:52:14,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:14" (1/1) ... [2019-11-27 09:52:14,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:14,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:15,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:15,845 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:16,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:16,143 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:16,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:16 WrapperNode [2019-11-27 09:52:16,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:16,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:16,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:16,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:16,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:16" (1/1) ... [2019-11-27 09:52:16,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:16" (1/1) ... [2019-11-27 09:52:16,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:16,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:16,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:16,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:16,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:16" (1/1) ... [2019-11-27 09:52:16,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:16" (1/1) ... [2019-11-27 09:52:16,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:16" (1/1) ... [2019-11-27 09:52:16,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:16" (1/1) ... [2019-11-27 09:52:16,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:16" (1/1) ... [2019-11-27 09:52:16,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:16" (1/1) ... [2019-11-27 09:52:16,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:16" (1/1) ... [2019-11-27 09:52:16,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:16,604 INFO L168 Benchmark]: Toolchain (without parser) took 1768.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 09:52:16,606 INFO L168 Benchmark]: CDTParser took 3.48 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 09:52:16,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1315.33 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 974.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:16,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 208.26 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:16,616 INFO L168 Benchmark]: Boogie Preprocessor took 237.73 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 09:52:16,629 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.48 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 1315.33 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 974.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 208.26 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 237.73 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...