./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-tiling/rewnifrev2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-tiling/rewnifrev2.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 fbc79bf8f0843710eda6d499779c918b64e94211 .............................................................................................................................................................................................. 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/rewnifrev2.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 fbc79bf8f0843710eda6d499779c918b64e94211 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:38:36,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:36,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:36,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:36,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:36,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:36,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:36,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:36,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:36,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:36,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:36,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:36,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:36,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:36,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:36,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:36,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:36,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:36,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:36,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:36,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:36,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:36,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:36,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:36,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:36,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:36,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:36,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:36,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:36,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:36,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:36,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:36,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:36,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:36,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:36,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:36,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:36,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:36,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:36,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:36,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:36,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:38:36,683 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:36,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:36,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:36,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:36,692 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:36,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:36,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:36,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:38:36,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:36,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:36,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:36,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:36,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:36,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:36,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:36,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:36,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:36,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:36,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:36,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:36,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:36,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:36,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:36,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:36,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:36,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:38:36,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:38:36,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:36,707 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 -> fbc79bf8f0843710eda6d499779c918b64e94211 [2019-11-27 15:38:37,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:37,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:37,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:37,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:37,343 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:37,347 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/rewnifrev2.c [2019-11-27 15:38:37,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efbb8d20c/9d8c5ba29e524cddaaea32c7e41f3508/FLAG207089b17 [2019-11-27 15:38:38,564 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:38,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/rewnifrev2.c [2019-11-27 15:38:38,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efbb8d20c/9d8c5ba29e524cddaaea32c7e41f3508/FLAG207089b17 [2019-11-27 15:38:38,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efbb8d20c/9d8c5ba29e524cddaaea32c7e41f3508 [2019-11-27 15:38:38,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:38,632 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:38,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:38,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:38,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:38,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:38" (1/1) ... [2019-11-27 15:38:38,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24aafe98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:38, skipping insertion in model container [2019-11-27 15:38:38,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:38" (1/1) ... [2019-11-27 15:38:38,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:38,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:39,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:39,235 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:39,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:39,324 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:39,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39 WrapperNode [2019-11-27 15:38:39,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:39,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:39,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:39,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:39,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:39,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:39,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:39,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:39,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:39,626 INFO L168 Benchmark]: Toolchain (without parser) took 987.45 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. [2019-11-27 15:38:39,629 INFO L168 Benchmark]: CDTParser took 0.39 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 15:38:39,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.18 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:39,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 192.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:39,640 INFO L168 Benchmark]: Boogie Preprocessor took 91.38 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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. [2019-11-27 15:38:39,651 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 690.18 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 192.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 91.38 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:38:43,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:43,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:43,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:43,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:43,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:43,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:43,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:43,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:43,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:43,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:43,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:43,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:43,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:43,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:43,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:43,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:43,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:43,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:43,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:43,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:43,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:43,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:43,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:43,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:43,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:43,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:43,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:43,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:43,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:43,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:43,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:43,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:43,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:43,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:43,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:43,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:43,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:43,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:43,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:43,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:43,883 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:38:43,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:43,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:43,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:43,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:43,932 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:43,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:43,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:43,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:43,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:43,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:43,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:43,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:43,937 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:38:43,938 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:38:43,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:43,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:43,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:43,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:43,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:43,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:43,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:43,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:43,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:43,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:43,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:43,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:43,946 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:38:43,946 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:38:43,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:43,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:38:43,950 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 -> fbc79bf8f0843710eda6d499779c918b64e94211 [2019-11-27 15:38:44,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:44,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:44,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:44,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:44,561 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:44,564 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/rewnifrev2.c [2019-11-27 15:38:44,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2810dd9a2/1d27aa8c08e644b89fcdcccd2644cd5e/FLAGf60bcda78 [2019-11-27 15:38:45,822 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:45,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/rewnifrev2.c [2019-11-27 15:38:45,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2810dd9a2/1d27aa8c08e644b89fcdcccd2644cd5e/FLAGf60bcda78 [2019-11-27 15:38:45,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2810dd9a2/1d27aa8c08e644b89fcdcccd2644cd5e [2019-11-27 15:38:45,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:45,894 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:45,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:45,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:45,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:45,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:45" (1/1) ... [2019-11-27 15:38:45,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a0bf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:45, skipping insertion in model container [2019-11-27 15:38:45,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:45" (1/1) ... [2019-11-27 15:38:45,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:45,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:46,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:46,446 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:46,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:46,543 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:46,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:46 WrapperNode [2019-11-27 15:38:46,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:46,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:46,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:46,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:46,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:46,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:46,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:46,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:46,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:46,840 INFO L168 Benchmark]: Toolchain (without parser) took 938.13 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:46,842 INFO L168 Benchmark]: CDTParser took 1.49 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 15:38:46,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.76 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. [2019-11-27 15:38:46,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.50 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 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:46,850 INFO L168 Benchmark]: Boogie Preprocessor took 96.06 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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. [2019-11-27 15:38:46,861 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49 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 649.76 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 177.50 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 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 96.06 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...