./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/nested_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-acceleration/nested_1-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 686a2dea11f9b7e026c45bd49045383307faf72e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-acceleration/nested_1-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 686a2dea11f9b7e026c45bd49045383307faf72e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:56:15,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:15,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:15,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:15,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:15,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:15,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:15,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:15,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:15,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:15,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:15,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:15,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:15,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:15,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:15,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:15,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:15,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:15,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:15,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:15,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:15,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:15,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:15,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:15,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:15,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:15,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:15,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:15,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:15,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:15,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:15,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:15,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:15,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:15,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:15,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:15,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:15,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:15,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:15,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:15,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:15,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:56:15,799 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:15,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:15,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:15,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:15,805 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:15,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:15,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:15,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:56:15,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:15,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:15,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:15,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:15,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:15,814 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:15,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:15,814 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:15,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:15,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:15,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:15,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:15,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:15,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:15,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:15,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:15,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:15,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:56:15,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:56:15,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:15,821 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 -> 686a2dea11f9b7e026c45bd49045383307faf72e [2019-11-25 22:56:16,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:16,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:16,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:16,443 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:16,447 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:16,448 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/nested_1-2.c [2019-11-25 22:56:16,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24beb42a6/755775f332dd41fa989ea8d4685484cf/FLAGb9d975e68 [2019-11-25 22:56:17,638 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:17,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/nested_1-2.c [2019-11-25 22:56:17,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24beb42a6/755775f332dd41fa989ea8d4685484cf/FLAGb9d975e68 [2019-11-25 22:56:17,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24beb42a6/755775f332dd41fa989ea8d4685484cf [2019-11-25 22:56:17,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:17,709 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:17,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:17,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:17,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:17,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:17, skipping insertion in model container [2019-11-25 22:56:17,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:17,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:18,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:18,236 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:18,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:18,309 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:18,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18 WrapperNode [2019-11-25 22:56:18,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:18,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:18,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:18,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:18,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:18,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:18,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:18,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:18,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:18,544 INFO L168 Benchmark]: Toolchain (without parser) took 829.28 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. [2019-11-25 22:56:18,546 INFO L168 Benchmark]: CDTParser took 1.28 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. [2019-11-25 22:56:18,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.30 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:18,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:18,556 INFO L168 Benchmark]: Boogie Preprocessor took 58.11 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:18,567 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 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 598.30 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 164.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.11 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:56:22,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:22,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:22,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:22,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:22,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:22,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:22,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:22,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:22,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:22,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:22,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:22,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:22,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:22,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:22,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:22,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:22,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:22,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:22,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:22,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:22,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:22,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:22,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:22,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:22,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:22,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:22,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:22,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:22,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:22,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:22,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:22,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:22,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:22,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:22,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:22,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:22,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:22,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:22,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:22,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:22,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:56:22,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:22,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:22,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:22,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:22,688 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:22,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:22,689 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:22,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:22,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:22,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:22,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:22,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:22,693 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:56:22,693 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:56:22,694 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:22,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:22,694 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:22,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:22,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:22,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:22,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:22,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:22,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:22,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:22,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:22,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:22,701 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:56:22,702 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:56:22,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:22,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:56:22,705 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 -> 686a2dea11f9b7e026c45bd49045383307faf72e [2019-11-25 22:56:23,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:23,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:23,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:23,417 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:23,420 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:23,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/nested_1-2.c [2019-11-25 22:56:23,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6126506b5/cd803f62e6f64d06a99c0e50c53d6a7f/FLAG72789a140 [2019-11-25 22:56:24,686 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:24,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/nested_1-2.c [2019-11-25 22:56:24,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6126506b5/cd803f62e6f64d06a99c0e50c53d6a7f/FLAG72789a140 [2019-11-25 22:56:24,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6126506b5/cd803f62e6f64d06a99c0e50c53d6a7f [2019-11-25 22:56:24,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:24,763 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:24,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:24,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:24,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:24,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:24" (1/1) ... [2019-11-25 22:56:24,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:24, skipping insertion in model container [2019-11-25 22:56:24,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:24" (1/1) ... [2019-11-25 22:56:24,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:24,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:25,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:25,293 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:25,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:25,325 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:25,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:25 WrapperNode [2019-11-25 22:56:25,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:25,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:25,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:25,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:25,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:25" (1/1) ... [2019-11-25 22:56:25,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:25" (1/1) ... [2019-11-25 22:56:25,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:25,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:25,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:25,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:25,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:25" (1/1) ... [2019-11-25 22:56:25,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:25" (1/1) ... [2019-11-25 22:56:25,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:25" (1/1) ... [2019-11-25 22:56:25,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:25" (1/1) ... [2019-11-25 22:56:25,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:25" (1/1) ... [2019-11-25 22:56:25,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:25" (1/1) ... [2019-11-25 22:56:25,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:25" (1/1) ... [2019-11-25 22:56:25,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:25,548 INFO L168 Benchmark]: Toolchain (without parser) took 780.69 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 991.3 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:25,550 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. [2019-11-25 22:56:25,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.68 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:25,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:25,556 INFO L168 Benchmark]: Boogie Preprocessor took 58.28 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:25,566 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 557.68 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 150.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.28 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...