./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ifcomp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/array-fpi/ifcomp.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 b3dfd910050668807ddc877452b8c29b26f31b8e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/array-fpi/ifcomp.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 b3dfd910050668807ddc877452b8c29b26f31b8e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:31:15,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:31:15,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:31:15,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:31:15,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:31:15,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:31:15,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:31:15,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:31:15,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:31:15,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:31:15,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:31:16,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:31:16,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:31:16,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:31:16,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:31:16,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:31:16,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:31:16,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:31:16,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:31:16,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:31:16,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:31:16,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:31:16,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:31:16,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:31:16,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:31:16,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:31:16,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:31:16,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:31:16,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:31:16,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:31:16,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:31:16,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:31:16,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:31:16,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:31:16,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:31:16,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:31:16,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:31:16,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:31:16,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:31:16,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:31:16,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:31:16,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:31:16,144 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:31:16,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:31:16,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:31:16,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:31:16,152 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:31:16,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:31:16,153 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:31:16,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:31:16,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:31:16,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:31:16,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:31:16,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:31:16,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:31:16,157 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:31:16,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:31:16,160 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:31:16,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:31:16,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:31:16,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:31:16,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:31:16,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:31:16,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:31:16,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:31:16,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:31:16,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:31:16,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:31:16,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:31:16,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:31:16,167 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 -> b3dfd910050668807ddc877452b8c29b26f31b8e [2019-11-26 16:31:16,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:31:16,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:31:16,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:31:16,729 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:31:16,729 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:31:16,731 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ifcomp.c [2019-11-26 16:31:16,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61aaf7b64/9c2696b623c04086b944fab62365cd4a/FLAGdf848a6c4 [2019-11-26 16:31:17,919 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:31:17,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ifcomp.c [2019-11-26 16:31:17,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61aaf7b64/9c2696b623c04086b944fab62365cd4a/FLAGdf848a6c4 [2019-11-26 16:31:18,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61aaf7b64/9c2696b623c04086b944fab62365cd4a [2019-11-26 16:31:18,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:31:18,072 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:31:18,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:18,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:31:18,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:31:18,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:18" (1/1) ... [2019-11-26 16:31:18,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd4a022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:18, skipping insertion in model container [2019-11-26 16:31:18,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:18" (1/1) ... [2019-11-26 16:31:18,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:31:18,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:31:18,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:18,642 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:31:18,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:18,715 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:31:18,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:18 WrapperNode [2019-11-26 16:31:18,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:18,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:18,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:31:18,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:31:18,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:18" (1/1) ... [2019-11-26 16:31:18,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:18" (1/1) ... [2019-11-26 16:31:18,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:18,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:31:18,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:31:18,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:31:18,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:18" (1/1) ... [2019-11-26 16:31:18,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:18" (1/1) ... [2019-11-26 16:31:18,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:18" (1/1) ... [2019-11-26 16:31:18,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:18" (1/1) ... [2019-11-26 16:31:18,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:18" (1/1) ... [2019-11-26 16:31:18,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:18" (1/1) ... [2019-11-26 16:31:18,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:18" (1/1) ... [2019-11-26 16:31:18,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:31:18,984 INFO L168 Benchmark]: Toolchain (without parser) took 904.47 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:18,986 INFO L168 Benchmark]: CDTParser took 1.16 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. [2019-11-26 16:31:19,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.05 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:19,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:19,008 INFO L168 Benchmark]: Boogie Preprocessor took 72.76 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:19,019 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 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 641.05 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 176.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 72.76 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:31:22,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:31:22,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:31:22,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:31:22,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:31:22,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:31:22,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:31:22,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:31:22,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:31:22,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:31:22,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:31:22,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:31:22,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:31:22,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:31:22,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:31:22,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:31:22,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:31:22,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:31:22,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:31:22,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:31:22,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:31:22,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:31:22,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:31:22,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:31:22,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:31:22,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:31:22,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:31:22,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:31:22,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:31:22,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:31:22,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:31:22,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:31:22,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:31:22,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:31:22,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:31:22,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:31:22,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:31:22,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:31:22,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:31:22,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:31:22,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:31:22,966 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:31:23,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:31:23,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:31:23,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:31:23,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:31:23,013 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:31:23,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:31:23,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:31:23,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:31:23,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:31:23,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:31:23,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:31:23,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:31:23,019 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:31:23,019 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:31:23,020 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:31:23,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:31:23,020 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:31:23,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:31:23,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:31:23,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:31:23,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:31:23,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:31:23,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:31:23,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:31:23,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:31:23,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:31:23,026 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:31:23,026 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:31:23,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:31:23,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:31:23,029 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 -> b3dfd910050668807ddc877452b8c29b26f31b8e [2019-11-26 16:31:23,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:31:23,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:31:23,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:31:23,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:31:23,669 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:31:23,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ifcomp.c [2019-11-26 16:31:23,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c92a689b1/9b4b3388e021487abf7bf9d870335af9/FLAGa50ade831 [2019-11-26 16:31:24,866 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:31:24,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ifcomp.c [2019-11-26 16:31:24,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c92a689b1/9b4b3388e021487abf7bf9d870335af9/FLAGa50ade831 [2019-11-26 16:31:25,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c92a689b1/9b4b3388e021487abf7bf9d870335af9 [2019-11-26 16:31:25,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:31:25,027 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:31:25,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:25,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:31:25,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:31:25,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:25" (1/1) ... [2019-11-26 16:31:25,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd4a022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:25, skipping insertion in model container [2019-11-26 16:31:25,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:25" (1/1) ... [2019-11-26 16:31:25,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:31:25,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:31:25,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:25,562 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:31:25,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:25,763 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:31:25,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:25 WrapperNode [2019-11-26 16:31:25,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:25,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:25,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:31:25,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:31:25,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:25" (1/1) ... [2019-11-26 16:31:25,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:25" (1/1) ... [2019-11-26 16:31:25,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:25,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:31:25,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:31:25,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:31:25,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:25" (1/1) ... [2019-11-26 16:31:25,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:25" (1/1) ... [2019-11-26 16:31:25,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:25" (1/1) ... [2019-11-26 16:31:25,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:25" (1/1) ... [2019-11-26 16:31:25,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:25" (1/1) ... [2019-11-26 16:31:25,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:25" (1/1) ... [2019-11-26 16:31:25,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:25" (1/1) ... [2019-11-26 16:31:25,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:31:25,927 INFO L168 Benchmark]: Toolchain (without parser) took 895.83 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:25,929 INFO L168 Benchmark]: CDTParser took 0.53 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. [2019-11-26 16:31:25,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.21 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:25,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.77 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:25,943 INFO L168 Benchmark]: Boogie Preprocessor took 68.08 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:25,952 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 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 736.21 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 79.77 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.08 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...