./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0832.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0832.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3677de697f2e465cd606b8f0d05818e7deafda1 ............................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0832.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3677de697f2e465cd606b8f0d05818e7deafda1 ....................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:43:15,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:43:15,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:43:15,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:43:15,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:43:15,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:43:15,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:43:15,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:43:15,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:43:15,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:43:15,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:43:15,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:43:15,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:43:15,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:43:15,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:43:15,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:43:15,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:43:15,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:43:15,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:43:15,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:43:15,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:43:15,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:43:15,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:43:15,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:43:15,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:43:15,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:43:15,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:43:15,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:43:15,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:43:15,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:43:15,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:43:15,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:43:15,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:43:15,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:43:15,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:43:15,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:43:15,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:43:15,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:43:15,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:43:15,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:43:15,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:43:15,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:43:15,759 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:43:15,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:43:15,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:43:15,761 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:43:15,762 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:43:15,762 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:43:15,763 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:43:15,763 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:43:15,763 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:43:15,764 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:43:15,764 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:43:15,764 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:43:15,765 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:43:15,765 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:43:15,765 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:43:15,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:43:15,767 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:43:15,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:43:15,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:43:15,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:43:15,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:43:15,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:43:15,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:43:15,769 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:43:15,770 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:43:15,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:43:15,770 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:43:15,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:43:15,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:43:15,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:43:15,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:43:15,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:43:15,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:43:15,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:43:15,773 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:43:15,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:43:15,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:43:15,774 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:43:15,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:43:15,775 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3677de697f2e465cd606b8f0d05818e7deafda1 [2021-10-16 02:43:16,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:43:16,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:43:16,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:43:16,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:43:16,108 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:43:16,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0832.c [2021-10-16 02:43:16,207 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/data/9f1b996a5/34d0a6e7b7594c469874ace8035a8446/FLAG958acc3d7 [2021-10-16 02:43:16,752 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:43:16,753 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/sv-benchmarks/c/float-newlib/double_req_bl_0832.c [2021-10-16 02:43:16,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/data/9f1b996a5/34d0a6e7b7594c469874ace8035a8446/FLAG958acc3d7 [2021-10-16 02:43:17,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/data/9f1b996a5/34d0a6e7b7594c469874ace8035a8446 [2021-10-16 02:43:17,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:43:17,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:43:17,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:43:17,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:43:17,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:43:17,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:43:17" (1/1) ... [2021-10-16 02:43:17,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd7ada6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17, skipping insertion in model container [2021-10-16 02:43:17,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:43:17" (1/1) ... [2021-10-16 02:43:17,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:43:17,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:43:17,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/sv-benchmarks/c/float-newlib/double_req_bl_0832.c[3927,3940] [2021-10-16 02:43:17,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:43:17,453 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:43:17,502 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/sv-benchmarks/c/float-newlib/double_req_bl_0832.c[3927,3940] [2021-10-16 02:43:17,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:43:17,523 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:43:17,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17 WrapperNode [2021-10-16 02:43:17,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:43:17,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:43:17,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:43:17,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:43:17,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17" (1/1) ... [2021-10-16 02:43:17,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17" (1/1) ... [2021-10-16 02:43:17,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:43:17,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:43:17,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:43:17,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:43:17,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17" (1/1) ... [2021-10-16 02:43:17,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17" (1/1) ... [2021-10-16 02:43:17,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17" (1/1) ... [2021-10-16 02:43:17,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17" (1/1) ... [2021-10-16 02:43:17,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17" (1/1) ... [2021-10-16 02:43:17,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17" (1/1) ... [2021-10-16 02:43:17,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17" (1/1) ... [2021-10-16 02:43:17,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:43:17,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:43:17,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:43:17,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:43:17,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17" (1/1) ... [2021-10-16 02:43:17,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:43:17,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:43:17,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:43:17,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:43:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:43:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:43:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 02:43:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 02:43:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 02:43:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:43:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:43:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 02:43:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-16 02:43:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:43:18,524 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:43:18,525 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-10-16 02:43:18,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:43:18 BoogieIcfgContainer [2021-10-16 02:43:18,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:43:18,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:43:18,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:43:18,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:43:18,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:43:17" (1/3) ... [2021-10-16 02:43:18,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6b3a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:43:18, skipping insertion in model container [2021-10-16 02:43:18,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:17" (2/3) ... [2021-10-16 02:43:18,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6b3a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:43:18, skipping insertion in model container [2021-10-16 02:43:18,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:43:18" (3/3) ... [2021-10-16 02:43:18,540 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0832.c [2021-10-16 02:43:18,547 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:43:18,548 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:43:18,599 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:43:18,607 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:43:18,608 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:43:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 34 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:43:18,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 02:43:18,632 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:43:18,633 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:43:18,634 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:43:18,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:43:18,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1839733346, now seen corresponding path program 1 times [2021-10-16 02:43:18,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:43:18,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074099589] [2021-10-16 02:43:18,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:43:18,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:43:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:43:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:43:18,942 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:43:18,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074099589] [2021-10-16 02:43:18,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074099589] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:43:18,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:43:18,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:43:18,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988345616] [2021-10-16 02:43:18,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:43:18,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:43:18,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:43:18,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:43:18,987 INFO L87 Difference]: Start difference. First operand has 35 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 34 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:43:19,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:43:19,019 INFO L93 Difference]: Finished difference Result 68 states and 111 transitions. [2021-10-16 02:43:19,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:43:19,021 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-16 02:43:19,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:43:19,031 INFO L225 Difference]: With dead ends: 68 [2021-10-16 02:43:19,031 INFO L226 Difference]: Without dead ends: 32 [2021-10-16 02:43:19,034 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:43:19,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-16 02:43:19,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-16 02:43:19,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:43:19,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2021-10-16 02:43:19,069 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 10 [2021-10-16 02:43:19,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:43:19,070 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2021-10-16 02:43:19,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:43:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2021-10-16 02:43:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-16 02:43:19,072 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:43:19,072 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:43:19,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:43:19,073 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:43:19,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:43:19,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1636958342, now seen corresponding path program 1 times [2021-10-16 02:43:19,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:43:19,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469602976] [2021-10-16 02:43:19,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:43:19,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:43:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:43:19,209 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:43:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:43:19,337 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:43:19,338 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:43:19,340 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:43:19,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:43:19,350 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:43:19,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:43:19 BoogieIcfgContainer [2021-10-16 02:43:19,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:43:19,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:43:19,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:43:19,434 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:43:19,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:43:18" (3/4) ... [2021-10-16 02:43:19,439 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:43:19,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:43:19,441 INFO L168 Benchmark]: Toolchain (without parser) took 2330.24 ms. Allocated memory is still 134.2 MB. Free memory was 99.3 MB in the beginning and 55.6 MB in the end (delta: 43.7 MB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:19,442 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 58.6 MB in the beginning and 58.6 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:43:19,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.42 ms. Allocated memory is still 134.2 MB. Free memory was 98.8 MB in the beginning and 107.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:19,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.80 ms. Allocated memory is still 134.2 MB. Free memory was 107.9 MB in the beginning and 105.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:19,445 INFO L168 Benchmark]: Boogie Preprocessor took 54.56 ms. Allocated memory is still 134.2 MB. Free memory was 105.9 MB in the beginning and 104.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:19,446 INFO L168 Benchmark]: RCFGBuilder took 866.07 ms. Allocated memory is still 134.2 MB. Free memory was 104.5 MB in the beginning and 84.9 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:19,447 INFO L168 Benchmark]: TraceAbstraction took 902.35 ms. Allocated memory is still 134.2 MB. Free memory was 84.1 MB in the beginning and 55.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:19,447 INFO L168 Benchmark]: Witness Printer took 5.32 ms. Allocated memory is still 134.2 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:43:19,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 58.6 MB in the beginning and 58.6 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 408.42 ms. Allocated memory is still 134.2 MB. Free memory was 98.8 MB in the beginning and 107.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.80 ms. Allocated memory is still 134.2 MB. Free memory was 107.9 MB in the beginning and 105.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.56 ms. Allocated memory is still 134.2 MB. Free memory was 105.9 MB in the beginning and 104.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 866.07 ms. Allocated memory is still 134.2 MB. Free memory was 104.5 MB in the beginning and 84.9 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 902.35 ms. Allocated memory is still 134.2 MB. Free memory was 84.1 MB in the beginning and 55.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.32 ms. Allocated memory is still 134.2 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 147]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 23, overapproximation of bitwiseAnd at line 56, overapproximation of someBinaryArithmeticDOUBLEoperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 146. Possible FailurePath: [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L139] double x = __VERIFIER_nondet_double(); [L141] COND TRUE x == 0.0 || x == -0.0 [L47] double y, hi, lo, c, t; [L48] __int32_t k = 0, xsb; [L49] __uint32_t hx; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={11:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L52] ieee_double_shape_type gh_u; [L53] gh_u.value = (x) [L54] EXPR gh_u.parts.msw [L54] (hx) = gh_u.parts.msw [L56] xsb = (hx >> 31) & 1 [L57] hx &= 0x7fffffff VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={11:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L59] COND TRUE hx >= 0x40862E42 VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={11:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L60] COND FALSE !(hx >= 0x7ff00000) VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={11:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L72] COND TRUE x > o_threshold_exp [L73] return huge_exp * huge_exp; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={11:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L143] double res = __ieee754_exp(x); [L146] COND TRUE res != 1.0 VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={11:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L147] reach_error() VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={11:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 750.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 12.7ms, AutomataDifference: 75.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 44 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 20.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.4ms SsaConstructionTime, 195.7ms SatisfiabilityAnalysisTime, 120.0ms InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-16 02:43:19,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:43:22,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:43:22,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:43:22,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:43:22,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:43:22,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:43:22,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:43:22,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:43:22,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:43:22,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:43:22,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:43:22,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:43:22,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:43:22,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:43:22,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:43:22,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:43:22,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:43:22,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:43:22,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:43:22,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:43:22,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:43:22,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:43:22,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:43:22,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:43:22,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:43:22,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:43:22,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:43:22,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:43:22,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:43:22,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:43:22,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:43:22,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:43:22,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:43:22,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:43:22,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:43:22,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:43:22,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:43:22,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:43:22,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:43:22,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:43:22,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:43:22,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:43:22,868 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:43:22,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:43:22,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:43:22,871 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:43:22,871 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:43:22,871 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:43:22,872 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:43:22,872 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:43:22,872 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:43:22,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:43:22,876 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:43:22,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:43:22,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:43:22,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:43:22,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:43:22,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:43:22,878 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:43:22,878 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:43:22,878 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:43:22,879 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:43:22,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:43:22,879 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:43:22,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:43:22,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:43:22,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:43:22,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:43:22,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:43:22,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:43:22,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:43:22,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:43:22,882 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:43:22,883 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:43:22,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:43:22,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:43:22,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:43:22,884 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3677de697f2e465cd606b8f0d05818e7deafda1 [2021-10-16 02:43:23,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:43:23,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:43:23,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:43:23,372 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:43:23,373 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:43:23,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0832.c [2021-10-16 02:43:23,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/data/50241cce9/b9ddbf745dde43bd99f450691e0db314/FLAGf82df49e4 [2021-10-16 02:43:24,180 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:43:24,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/sv-benchmarks/c/float-newlib/double_req_bl_0832.c [2021-10-16 02:43:24,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/data/50241cce9/b9ddbf745dde43bd99f450691e0db314/FLAGf82df49e4 [2021-10-16 02:43:24,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/data/50241cce9/b9ddbf745dde43bd99f450691e0db314 [2021-10-16 02:43:24,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:43:24,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:43:24,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:43:24,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:43:24,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:43:24,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:43:24" (1/1) ... [2021-10-16 02:43:24,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b420783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:24, skipping insertion in model container [2021-10-16 02:43:24,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:43:24" (1/1) ... [2021-10-16 02:43:24,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:43:24,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:43:24,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/sv-benchmarks/c/float-newlib/double_req_bl_0832.c[3927,3940] [2021-10-16 02:43:24,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:43:24,892 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:43:24,969 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/sv-benchmarks/c/float-newlib/double_req_bl_0832.c[3927,3940] [2021-10-16 02:43:24,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:43:25,035 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:43:25,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:25 WrapperNode [2021-10-16 02:43:25,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:43:25,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:43:25,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:43:25,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:43:25,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:25" (1/1) ... [2021-10-16 02:43:25,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:25" (1/1) ... [2021-10-16 02:43:25,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:43:25,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:43:25,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:43:25,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:43:25,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:25" (1/1) ... [2021-10-16 02:43:25,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:25" (1/1) ... [2021-10-16 02:43:25,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:25" (1/1) ... [2021-10-16 02:43:25,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:25" (1/1) ... [2021-10-16 02:43:25,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:25" (1/1) ... [2021-10-16 02:43:25,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:25" (1/1) ... [2021-10-16 02:43:25,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:25" (1/1) ... [2021-10-16 02:43:25,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:43:25,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:43:25,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:43:25,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:43:25,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:25" (1/1) ... [2021-10-16 02:43:25,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:43:25,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:43:25,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:43:25,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:43:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-16 02:43:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-16 02:43:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:43:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:43:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-16 02:43:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 02:43:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:43:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:43:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 02:43:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:43:37,251 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:43:37,252 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-10-16 02:43:37,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:43:37 BoogieIcfgContainer [2021-10-16 02:43:37,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:43:37,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:43:37,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:43:37,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:43:37,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:43:24" (1/3) ... [2021-10-16 02:43:37,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ca2c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:43:37, skipping insertion in model container [2021-10-16 02:43:37,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:25" (2/3) ... [2021-10-16 02:43:37,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ca2c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:43:37, skipping insertion in model container [2021-10-16 02:43:37,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:43:37" (3/3) ... [2021-10-16 02:43:37,266 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0832.c [2021-10-16 02:43:37,273 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:43:37,273 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:43:37,333 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:43:37,341 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:43:37,342 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:43:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 39 states have (on average 1.6923076923076923) internal successors, (66), 40 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:43:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-16 02:43:37,366 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:43:37,367 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:43:37,368 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:43:37,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:43:37,376 INFO L82 PathProgramCache]: Analyzing trace with hash 848189856, now seen corresponding path program 1 times [2021-10-16 02:43:37,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:43:37,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683783679] [2021-10-16 02:43:37,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:43:37,393 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:43:37,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:43:37,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:43:37,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:43:37,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:43:37,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:43:37,735 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:577) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:312) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 31 more [2021-10-16 02:43:37,740 INFO L168 Benchmark]: Toolchain (without parser) took 13280.51 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 41.9 MB in the beginning and 56.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:37,741 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 62.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:43:37,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.76 ms. Allocated memory is still 62.9 MB. Free memory was 41.8 MB in the beginning and 45.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:37,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.73 ms. Allocated memory is still 62.9 MB. Free memory was 45.8 MB in the beginning and 43.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:37,744 INFO L168 Benchmark]: Boogie Preprocessor took 107.65 ms. Allocated memory is still 62.9 MB. Free memory was 43.5 MB in the beginning and 41.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:37,745 INFO L168 Benchmark]: RCFGBuilder took 12006.92 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 41.4 MB in the beginning and 67.0 MB in the end (delta: -25.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:37,751 INFO L168 Benchmark]: TraceAbstraction took 479.97 ms. Allocated memory is still 86.0 MB. Free memory was 66.6 MB in the beginning and 56.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:37,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 62.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 580.76 ms. Allocated memory is still 62.9 MB. Free memory was 41.8 MB in the beginning and 45.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.73 ms. Allocated memory is still 62.9 MB. Free memory was 45.8 MB in the beginning and 43.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 107.65 ms. Allocated memory is still 62.9 MB. Free memory was 43.5 MB in the beginning and 41.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12006.92 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 41.4 MB in the beginning and 67.0 MB in the end (delta: -25.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 479.97 ms. Allocated memory is still 86.0 MB. Free memory was 66.6 MB in the beginning and 56.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 02:43:37,998 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-16 02:43:38,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4850aac-ebc9-4949-a211-404a4d15987f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...