./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/nested_delay_nd.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/loops-crafted-1/nested_delay_nd.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 6b6f4e5c37e0d12f37f76e733ff40f1e207ca2c4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loops-crafted-1/nested_delay_nd.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 6b6f4e5c37e0d12f37f76e733ff40f1e207ca2c4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:52:25,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:25,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:25,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:25,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:25,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:25,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:25,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:25,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:25,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:25,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:25,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:25,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:25,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:25,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:25,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:25,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:25,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:25,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:25,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:25,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:25,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:25,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:25,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:25,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:25,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:25,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:25,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:25,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:25,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:25,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:25,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:25,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:25,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:25,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:25,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:25,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:25,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:25,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:25,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:25,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:25,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:52:25,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:25,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:25,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:25,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:25,828 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:25,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:25,831 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:25,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:52:25,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:25,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:25,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:25,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:25,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:25,835 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:25,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:25,835 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:25,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:25,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:25,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:25,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:25,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:25,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:25,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:25,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:25,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:25,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:52:25,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:52:25,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:25,844 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 -> 6b6f4e5c37e0d12f37f76e733ff40f1e207ca2c4 [2019-11-27 09:52:26,371 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:26,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:26,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:26,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:26,412 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:26,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested_delay_nd.c [2019-11-27 09:52:26,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0a01279/1f01766b6ba7456ab1e7b93a200e0af9/FLAG9ec4964ac [2019-11-27 09:52:27,629 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:27,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested_delay_nd.c [2019-11-27 09:52:27,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0a01279/1f01766b6ba7456ab1e7b93a200e0af9/FLAG9ec4964ac [2019-11-27 09:52:27,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0a01279/1f01766b6ba7456ab1e7b93a200e0af9 [2019-11-27 09:52:27,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:27,913 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:27,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:27,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:27,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:27,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:27" (1/1) ... [2019-11-27 09:52:27,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccb7bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:27, skipping insertion in model container [2019-11-27 09:52:27,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:27" (1/1) ... [2019-11-27 09:52:27,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:28,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:28,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:28,466 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:28,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:28,518 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:28,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:28 WrapperNode [2019-11-27 09:52:28,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:28,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:28,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:28,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:28,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:28" (1/1) ... [2019-11-27 09:52:28,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:28" (1/1) ... [2019-11-27 09:52:28,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:28,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:28,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:28,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:28,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:28" (1/1) ... [2019-11-27 09:52:28,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:28" (1/1) ... [2019-11-27 09:52:28,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:28" (1/1) ... [2019-11-27 09:52:28,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:28" (1/1) ... [2019-11-27 09:52:28,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:28" (1/1) ... [2019-11-27 09:52:28,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:28" (1/1) ... [2019-11-27 09:52:28,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:28" (1/1) ... [2019-11-27 09:52:28,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:28,726 INFO L168 Benchmark]: Toolchain (without parser) took 809.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.0 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:28,729 INFO L168 Benchmark]: CDTParser took 0.29 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 09:52:28,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.17 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 09:52:28,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.89 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 996.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:28,752 INFO L168 Benchmark]: Boogie Preprocessor took 58.40 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:28,762 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 602.17 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 128.89 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 996.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.40 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 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-da95e15 [2019-11-27 09:52:32,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:32,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:32,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:32,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:32,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:32,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:32,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:32,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:32,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:32,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:32,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:32,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:32,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:32,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:32,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:32,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:32,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:32,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:32,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:32,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:32,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:32,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:32,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:32,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:32,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:32,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:32,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:32,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:32,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:32,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:32,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:32,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:32,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:32,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:32,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:32,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:32,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:32,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:32,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:32,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:32,828 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:52:32,867 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:32,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:32,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:32,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:32,878 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:32,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:32,879 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:32,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:32,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:32,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:32,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:32,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:32,882 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:52:32,882 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:52:32,884 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:32,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:32,884 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:32,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:32,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:32,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:32,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:32,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:32,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:32,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:32,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:32,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:32,891 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:52:32,891 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:52:32,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:32,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:52:32,896 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 -> 6b6f4e5c37e0d12f37f76e733ff40f1e207ca2c4 [2019-11-27 09:52:33,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:33,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:33,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:33,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:33,500 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:33,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested_delay_nd.c [2019-11-27 09:52:33,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ee1fcdd2/244e67a2961c4021b38d87a72f9a66c3/FLAG66ff3c6dd [2019-11-27 09:52:34,696 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:34,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested_delay_nd.c [2019-11-27 09:52:34,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ee1fcdd2/244e67a2961c4021b38d87a72f9a66c3/FLAG66ff3c6dd [2019-11-27 09:52:34,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ee1fcdd2/244e67a2961c4021b38d87a72f9a66c3 [2019-11-27 09:52:34,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:34,770 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:34,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:34,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:34,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:34,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:34" (1/1) ... [2019-11-27 09:52:34,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:34, skipping insertion in model container [2019-11-27 09:52:34,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:34" (1/1) ... [2019-11-27 09:52:34,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:34,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:35,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:35,329 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:35,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:35,418 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:35,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:35 WrapperNode [2019-11-27 09:52:35,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:35,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:35,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:35,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:35,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:35" (1/1) ... [2019-11-27 09:52:35,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:35" (1/1) ... [2019-11-27 09:52:35,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:35,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:35,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:35,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:35,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:35" (1/1) ... [2019-11-27 09:52:35,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:35" (1/1) ... [2019-11-27 09:52:35,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:35" (1/1) ... [2019-11-27 09:52:35,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:35" (1/1) ... [2019-11-27 09:52:35,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:35" (1/1) ... [2019-11-27 09:52:35,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:35" (1/1) ... [2019-11-27 09:52:35,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:35" (1/1) ... [2019-11-27 09:52:35,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:35,693 INFO L168 Benchmark]: Toolchain (without parser) took 922.69 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 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:35,698 INFO L168 Benchmark]: CDTParser took 0.33 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 09:52:35,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.04 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. [2019-11-27 09:52:35,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.96 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 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:35,710 INFO L168 Benchmark]: Boogie Preprocessor took 89.69 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:35,724 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 648.04 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 169.96 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 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 89.69 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...