./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/nsqm-iff.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-fpi/nsqm-iff.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 87ec3c93c72fac429e4c8efcc23f8033e6fcfeb3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/nsqm-iff.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 87ec3c93c72fac429e4c8efcc23f8033e6fcfeb3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:40:22,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:40:22,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:40:22,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:40:22,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:40:22,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:40:22,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:40:22,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:40:22,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:40:22,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:40:22,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:40:22,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:40:22,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:40:22,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:40:22,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:40:22,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:40:22,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:40:22,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:40:22,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:40:22,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:40:22,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:40:22,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:40:22,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:40:22,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:40:22,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:40:22,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:40:22,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:40:22,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:40:22,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:40:22,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:40:22,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:40:22,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:40:22,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:40:22,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:40:22,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:40:22,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:40:22,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:40:22,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:40:22,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:40:22,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:40:22,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:40:22,312 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:40:22,369 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:40:22,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:40:22,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:40:22,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:40:22,378 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:40:22,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:40:22,382 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:40:22,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:40:22,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:40:22,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:40:22,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:40:22,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:40:22,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:40:22,388 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:40:22,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:40:22,389 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:40:22,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:40:22,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:40:22,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:40:22,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:40:22,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:40:22,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:40:22,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:40:22,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:40:22,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:40:22,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:40:22,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:40:22,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:40:22,397 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 -> 87ec3c93c72fac429e4c8efcc23f8033e6fcfeb3 [2019-11-27 15:40:23,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:40:23,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:40:23,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:40:23,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:40:23,077 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:40:23,079 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/nsqm-iff.c [2019-11-27 15:40:23,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9a468595/fc55ce8ed59b474083e720779b343016/FLAG4721d6fc3 [2019-11-27 15:40:24,451 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:40:24,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/nsqm-iff.c [2019-11-27 15:40:24,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9a468595/fc55ce8ed59b474083e720779b343016/FLAG4721d6fc3 [2019-11-27 15:40:24,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9a468595/fc55ce8ed59b474083e720779b343016 [2019-11-27 15:40:24,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:40:24,529 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:40:24,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:40:24,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:40:24,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:40:24,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:40:24" (1/1) ... [2019-11-27 15:40:24,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f35d551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:24, skipping insertion in model container [2019-11-27 15:40:24,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:40:24" (1/1) ... [2019-11-27 15:40:24,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:40:24,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:40:25,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:40:25,197 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:40:25,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:40:25,410 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:40:25,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:25 WrapperNode [2019-11-27 15:40:25,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:40:25,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:40:25,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:40:25,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:40:25,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:25" (1/1) ... [2019-11-27 15:40:25,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:25" (1/1) ... [2019-11-27 15:40:25,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:40:25,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:40:25,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:40:25,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:40:25,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:25" (1/1) ... [2019-11-27 15:40:25,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:25" (1/1) ... [2019-11-27 15:40:25,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:25" (1/1) ... [2019-11-27 15:40:25,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:25" (1/1) ... [2019-11-27 15:40:25,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:25" (1/1) ... [2019-11-27 15:40:25,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:25" (1/1) ... [2019-11-27 15:40:25,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:25" (1/1) ... [2019-11-27 15:40:25,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:40:25,597 INFO L168 Benchmark]: Toolchain (without parser) took 1060.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 988.4 MB in the end (delta: -21.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:40:25,606 INFO L168 Benchmark]: CDTParser took 1.64 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 15:40:25,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 878.87 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 997.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:40:25,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.90 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 995.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:40:25,615 INFO L168 Benchmark]: Boogie Preprocessor took 70.72 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 988.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:40:25,628 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64 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 878.87 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 997.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 98.90 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 995.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 70.72 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 988.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 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 15:40:29,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:40:29,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:40:29,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:40:29,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:40:29,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:40:29,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:40:29,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:40:29,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:40:29,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:40:29,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:40:29,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:40:29,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:40:29,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:40:29,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:40:29,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:40:29,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:40:29,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:40:29,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:40:29,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:40:29,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:40:29,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:40:29,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:40:29,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:40:29,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:40:29,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:40:29,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:40:29,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:40:29,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:40:29,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:40:29,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:40:29,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:40:29,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:40:29,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:40:29,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:40:29,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:40:29,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:40:29,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:40:29,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:40:29,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:40:29,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:40:29,825 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:40:29,882 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:40:29,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:40:29,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:40:29,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:40:29,894 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:40:29,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:40:29,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:40:29,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:40:29,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:40:29,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:40:29,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:40:29,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:40:29,902 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:40:29,902 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:40:29,904 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:40:29,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:40:29,904 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:40:29,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:40:29,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:40:29,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:40:29,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:40:29,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:40:29,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:40:29,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:40:29,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:40:29,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:40:29,912 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:40:29,913 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:40:29,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:40:29,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:40:29,915 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 -> 87ec3c93c72fac429e4c8efcc23f8033e6fcfeb3 [2019-11-27 15:40:30,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:40:30,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:40:30,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:40:30,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:40:30,552 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:40:30,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/nsqm-iff.c [2019-11-27 15:40:30,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db083e6c9/aed4f1399ed7466c93d96b1f2dfee8e1/FLAG03818d138 [2019-11-27 15:40:31,811 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:40:31,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/nsqm-iff.c [2019-11-27 15:40:31,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db083e6c9/aed4f1399ed7466c93d96b1f2dfee8e1/FLAG03818d138 [2019-11-27 15:40:31,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db083e6c9/aed4f1399ed7466c93d96b1f2dfee8e1 [2019-11-27 15:40:31,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:40:31,877 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:40:31,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:40:31,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:40:31,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:40:31,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:40:31" (1/1) ... [2019-11-27 15:40:31,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116ef4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:31, skipping insertion in model container [2019-11-27 15:40:31,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:40:31" (1/1) ... [2019-11-27 15:40:31,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:40:31,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:40:32,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:40:32,532 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:40:32,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:40:32,756 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:40:32,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:32 WrapperNode [2019-11-27 15:40:32,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:40:32,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:40:32,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:40:32,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:40:32,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:32" (1/1) ... [2019-11-27 15:40:32,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:32" (1/1) ... [2019-11-27 15:40:32,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:40:32,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:40:32,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:40:32,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:40:32,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:32" (1/1) ... [2019-11-27 15:40:32,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:32" (1/1) ... [2019-11-27 15:40:32,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:32" (1/1) ... [2019-11-27 15:40:32,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:32" (1/1) ... [2019-11-27 15:40:32,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:32" (1/1) ... [2019-11-27 15:40:32,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:32" (1/1) ... [2019-11-27 15:40:32,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:32" (1/1) ... [2019-11-27 15:40:32,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:40:32,918 INFO L168 Benchmark]: Toolchain (without parser) took 1038.13 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 15:40:32,920 INFO L168 Benchmark]: CDTParser took 0.49 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 15:40:32,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 872.36 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:40:32,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.56 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. [2019-11-27 15:40:32,930 INFO L168 Benchmark]: Boogie Preprocessor took 69.20 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. [2019-11-27 15:40:32,949 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 872.36 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 82.56 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. * Boogie Preprocessor took 69.20 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...