./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-tiling/skipped.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-tiling/skipped.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 f022e969c9202fe0513d5e38b112fd83f4870563 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-tiling/skipped.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 f022e969c9202fe0513d5e38b112fd83f4870563 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:29:51,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:51,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:51,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:51,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:51,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:51,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:51,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:51,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:51,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:51,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:51,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:51,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:51,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:51,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:51,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:51,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:51,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:51,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:51,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:51,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:51,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:51,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:51,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:51,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:51,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:51,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:51,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:51,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:51,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:51,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:51,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:51,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:51,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:51,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:51,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:51,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:51,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:51,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:51,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:51,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:51,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:29:51,950 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:51,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:51,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:51,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:51,959 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:51,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:51,960 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:51,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:29:51,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:51,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:51,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:51,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:51,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:51,966 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:51,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:51,966 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:51,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:51,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:51,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:51,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:51,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:51,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:51,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:51,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:51,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:51,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:29:51,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:29:51,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:51,973 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 -> f022e969c9202fe0513d5e38b112fd83f4870563 [2019-11-26 16:29:52,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:52,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:52,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:52,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:52,618 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:52,622 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/skipped.c [2019-11-26 16:29:52,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3451db08c/f5ec0860233d46a39f79cb928a1f0613/FLAG20ad5da1e [2019-11-26 16:29:53,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:53,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/skipped.c [2019-11-26 16:29:53,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3451db08c/f5ec0860233d46a39f79cb928a1f0613/FLAG20ad5da1e [2019-11-26 16:29:54,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3451db08c/f5ec0860233d46a39f79cb928a1f0613 [2019-11-26 16:29:54,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:54,028 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:54,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:54,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:54,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:54,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:54" (1/1) ... [2019-11-26 16:29:54,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:54, skipping insertion in model container [2019-11-26 16:29:54,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:54" (1/1) ... [2019-11-26 16:29:54,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:54,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:54,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:54,635 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:54,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:54,781 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:54,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:54 WrapperNode [2019-11-26 16:29:54,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:54,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:54,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:54,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:54,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:54" (1/1) ... [2019-11-26 16:29:54,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:54" (1/1) ... [2019-11-26 16:29:54,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:54,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:54,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:54,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:54,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:54" (1/1) ... [2019-11-26 16:29:54,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:54" (1/1) ... [2019-11-26 16:29:54,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:54" (1/1) ... [2019-11-26 16:29:54,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:54" (1/1) ... [2019-11-26 16:29:54,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:54" (1/1) ... [2019-11-26 16:29:54,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:54" (1/1) ... [2019-11-26 16:29:54,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:54" (1/1) ... [2019-11-26 16:29:54,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:54,988 INFO L168 Benchmark]: Toolchain (without parser) took 946.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.2 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:54,989 INFO L168 Benchmark]: CDTParser took 0.42 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 16:29:54,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:54,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.12 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:54,999 INFO L168 Benchmark]: Boogie Preprocessor took 67.30 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:55,011 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 758.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 112.12 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 67.30 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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 16:29:58,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:58,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:58,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:58,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:58,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:58,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:58,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:58,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:58,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:58,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:58,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:58,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:58,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:58,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:58,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:58,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:58,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:58,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:58,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:58,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:59,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:59,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:59,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:59,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:59,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:59,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:59,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:59,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:59,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:59,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:59,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:59,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:59,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:59,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:59,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:59,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:59,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:59,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:59,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:59,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:59,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:29:59,091 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:59,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:59,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:59,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:59,100 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:59,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:59,101 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:59,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:59,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:59,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:59,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:59,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:59,104 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:29:59,106 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:29:59,107 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:59,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:59,107 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:59,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:59,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:59,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:59,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:59,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:59,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:59,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:59,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:59,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:59,113 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:29:59,113 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:29:59,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:59,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:29:59,118 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 -> f022e969c9202fe0513d5e38b112fd83f4870563 [2019-11-26 16:29:59,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:59,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:59,819 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:59,821 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:59,824 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:59,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/skipped.c [2019-11-26 16:29:59,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71bcd9fe5/e7d0bc5fb61946438b015e62cadb7cf2/FLAG7204010ee [2019-11-26 16:30:01,085 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:30:01,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/skipped.c [2019-11-26 16:30:01,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71bcd9fe5/e7d0bc5fb61946438b015e62cadb7cf2/FLAG7204010ee [2019-11-26 16:30:01,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71bcd9fe5/e7d0bc5fb61946438b015e62cadb7cf2 [2019-11-26 16:30:01,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:30:01,163 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:30:01,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:01,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:30:01,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:30:01,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:01" (1/1) ... [2019-11-26 16:30:01,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d4f145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:01, skipping insertion in model container [2019-11-26 16:30:01,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:01" (1/1) ... [2019-11-26 16:30:01,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:30:01,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:30:01,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:01,792 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:30:01,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:01,957 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:30:01,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:01 WrapperNode [2019-11-26 16:30:01,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:01,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:01,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:30:01,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:30:01,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:01" (1/1) ... [2019-11-26 16:30:02,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:01" (1/1) ... [2019-11-26 16:30:02,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:02,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:30:02,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:30:02,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:30:02,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:01" (1/1) ... [2019-11-26 16:30:02,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:01" (1/1) ... [2019-11-26 16:30:02,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:01" (1/1) ... [2019-11-26 16:30:02,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:01" (1/1) ... [2019-11-26 16:30:02,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:01" (1/1) ... [2019-11-26 16:30:02,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:01" (1/1) ... [2019-11-26 16:30:02,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:01" (1/1) ... [2019-11-26 16:30:02,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:30:02,153 INFO L168 Benchmark]: Toolchain (without parser) took 989.54 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 991.2 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:30:02,156 INFO L168 Benchmark]: CDTParser took 0.45 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 16:30:02,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.35 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 991.2 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:30:02,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.65 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:30:02,162 INFO L168 Benchmark]: Boogie Preprocessor took 75.79 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:30:02,173 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 794.35 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 991.2 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 103.65 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.79 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...