./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0685b.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_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/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_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0685b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/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_5688627b-901d-4878-a3d4-ffd5e13c143f/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 4fd2b5f74c4a51110fe0603495d3cc2b703c656b ........................................................................................................................................................................................................................................................................................................................................ 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_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/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_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0685b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/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_5688627b-901d-4878-a3d4-ffd5e13c143f/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 4fd2b5f74c4a51110fe0603495d3cc2b703c656b ...................................................................................................................................................................................................................................................................... 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 02:16:29,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:16:29,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:16:29,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:16:29,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:16:29,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:16:29,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:16:29,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:16:29,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:16:29,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:16:29,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:16:29,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:16:29,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:16:29,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:16:29,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:16:29,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:16:29,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:16:29,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:16:29,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:16:29,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:16:29,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:16:29,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:16:29,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:16:29,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:16:29,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:16:29,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:16:29,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:16:29,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:16:29,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:16:29,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:16:29,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:16:29,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:16:29,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:16:29,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:16:29,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:16:29,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:16:29,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:16:29,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:16:29,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:16:29,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:16:29,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:16:29,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:16:29,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:16:29,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:16:29,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:16:29,580 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:16:29,581 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:16:29,581 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:16:29,581 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:16:29,581 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:16:29,582 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:16:29,582 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:16:29,582 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:16:29,582 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:16:29,583 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:16:29,583 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:16:29,583 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:16:29,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:16:29,584 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:16:29,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:16:29,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:16:29,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:16:29,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:16:29,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:16:29,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:16:29,586 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:16:29,586 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:16:29,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:16:29,587 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:16:29,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:16:29,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:16:29,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:16:29,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:16:29,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:16:29,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:16:29,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:16:29,589 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:16:29,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:16:29,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:16:29,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:16:29,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:16:29,590 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_5688627b-901d-4878-a3d4-ffd5e13c143f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fd2b5f74c4a51110fe0603495d3cc2b703c656b [2021-10-16 02:16:29,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:16:29,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:16:29,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:16:29,885 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:16:29,886 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:16:29,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/float_req_bl_0685b.c [2021-10-16 02:16:29,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/data/1cc85e70a/55df523e231940e39c1761ca7ea94a9f/FLAG7c603e7c0 [2021-10-16 02:16:30,503 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:16:30,504 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/sv-benchmarks/c/float-newlib/float_req_bl_0685b.c [2021-10-16 02:16:30,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/data/1cc85e70a/55df523e231940e39c1761ca7ea94a9f/FLAG7c603e7c0 [2021-10-16 02:16:30,843 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/data/1cc85e70a/55df523e231940e39c1761ca7ea94a9f [2021-10-16 02:16:30,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:16:30,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:16:30,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:16:30,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:16:30,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:16:30,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:16:30" (1/1) ... [2021-10-16 02:16:30,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e5dc93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:30, skipping insertion in model container [2021-10-16 02:16:30,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:16:30" (1/1) ... [2021-10-16 02:16:30,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:16:30,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:16:31,163 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_5688627b-901d-4878-a3d4-ffd5e13c143f/sv-benchmarks/c/float-newlib/float_req_bl_0685b.c[5277,5290] [2021-10-16 02:16:31,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:16:31,176 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:16:31,248 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_5688627b-901d-4878-a3d4-ffd5e13c143f/sv-benchmarks/c/float-newlib/float_req_bl_0685b.c[5277,5290] [2021-10-16 02:16:31,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:16:31,266 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:16:31,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:31 WrapperNode [2021-10-16 02:16:31,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:16:31,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:16:31,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:16:31,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:16:31,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:31" (1/1) ... [2021-10-16 02:16:31,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:31" (1/1) ... [2021-10-16 02:16:31,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:16:31,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:16:31,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:16:31,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:16:31,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:31" (1/1) ... [2021-10-16 02:16:31,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:31" (1/1) ... [2021-10-16 02:16:31,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:31" (1/1) ... [2021-10-16 02:16:31,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:31" (1/1) ... [2021-10-16 02:16:31,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:31" (1/1) ... [2021-10-16 02:16:31,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:31" (1/1) ... [2021-10-16 02:16:31,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:31" (1/1) ... [2021-10-16 02:16:31,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:16:31,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:16:31,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:16:31,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:16:31,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:31" (1/1) ... [2021-10-16 02:16:31,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:16:31,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:16:31,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:16:31,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:16:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:16:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:16:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 02:16:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 02:16:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 02:16:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:16:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:16:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 02:16:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-16 02:16:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:16:32,552 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:16:32,553 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-16 02:16:32,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:16:32 BoogieIcfgContainer [2021-10-16 02:16:32,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:16:32,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:16:32,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:16:32,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:16:32,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:16:30" (1/3) ... [2021-10-16 02:16:32,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2311a450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:16:32, skipping insertion in model container [2021-10-16 02:16:32,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:31" (2/3) ... [2021-10-16 02:16:32,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2311a450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:16:32, skipping insertion in model container [2021-10-16 02:16:32,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:16:32" (3/3) ... [2021-10-16 02:16:32,566 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0685b.c [2021-10-16 02:16:32,572 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:16:32,572 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:16:32,626 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:16:32,631 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 02:16:32,632 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:16:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 74 states have (on average 1.7567567567567568) internal successors, (130), 75 states have internal predecessors, (130), 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 02:16:32,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 02:16:32,653 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:16:32,654 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:16:32,655 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:16:32,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:16:32,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1676066843, now seen corresponding path program 1 times [2021-10-16 02:16:32,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:16:32,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779487813] [2021-10-16 02:16:32,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:16:32,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:16:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:16:32,836 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 02:16:32,837 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:16:32,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779487813] [2021-10-16 02:16:32,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779487813] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:16:32,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:16:32,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:16:32,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246411850] [2021-10-16 02:16:32,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:16:32,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:16:32,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:16:32,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:16:32,864 INFO L87 Difference]: Start difference. First operand has 76 states, 74 states have (on average 1.7567567567567568) internal successors, (130), 75 states have internal predecessors, (130), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 02:16:32,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:16:32,891 INFO L93 Difference]: Finished difference Result 151 states and 259 transitions. [2021-10-16 02:16:32,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:16:32,892 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-10-16 02:16:32,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:16:32,903 INFO L225 Difference]: With dead ends: 151 [2021-10-16 02:16:32,904 INFO L226 Difference]: Without dead ends: 74 [2021-10-16 02:16:32,907 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 02:16:32,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-10-16 02:16:32,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-10-16 02:16:32,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 73 states have internal predecessors, (103), 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 02:16:32,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 103 transitions. [2021-10-16 02:16:32,950 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 103 transitions. Word has length 9 [2021-10-16 02:16:32,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:16:32,951 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 103 transitions. [2021-10-16 02:16:32,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 02:16:32,952 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2021-10-16 02:16:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-16 02:16:32,953 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:16:32,953 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:16:32,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:16:32,954 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:16:32,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:16:32,955 INFO L82 PathProgramCache]: Analyzing trace with hash -274998322, now seen corresponding path program 1 times [2021-10-16 02:16:32,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:16:32,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316463759] [2021-10-16 02:16:32,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:16:32,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:16:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:16:33,079 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:16:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:16:33,253 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:16:33,254 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:16:33,256 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:16:33,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:16:33,269 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:16:33,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:16:33 BoogieIcfgContainer [2021-10-16 02:16:33,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:16:33,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:16:33,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:16:33,342 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:16:33,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:16:32" (3/4) ... [2021-10-16 02:16:33,347 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:16:33,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:16:33,350 INFO L168 Benchmark]: Toolchain (without parser) took 2500.32 ms. Allocated memory was 111.1 MB in the beginning and 148.9 MB in the end (delta: 37.7 MB). Free memory was 72.4 MB in the beginning and 85.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:16:33,351 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 111.1 MB. Free memory is still 88.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:16:33,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.32 ms. Allocated memory is still 111.1 MB. Free memory was 72.1 MB in the beginning and 80.4 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:16:33,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.28 ms. Allocated memory is still 111.1 MB. Free memory was 80.4 MB in the beginning and 77.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:16:33,360 INFO L168 Benchmark]: Boogie Preprocessor took 64.53 ms. Allocated memory is still 111.1 MB. Free memory was 77.4 MB in the beginning and 74.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:16:33,362 INFO L168 Benchmark]: RCFGBuilder took 1144.60 ms. Allocated memory was 111.1 MB in the beginning and 148.9 MB in the end (delta: 37.7 MB). Free memory was 74.6 MB in the beginning and 119.0 MB in the end (delta: -44.4 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:16:33,362 INFO L168 Benchmark]: TraceAbstraction took 782.27 ms. Allocated memory is still 148.9 MB. Free memory was 118.2 MB in the beginning and 85.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:16:33,363 INFO L168 Benchmark]: Witness Printer took 6.24 ms. Allocated memory is still 148.9 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:16:33,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 111.1 MB. Free memory is still 88.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 412.32 ms. Allocated memory is still 111.1 MB. Free memory was 72.1 MB in the beginning and 80.4 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.28 ms. Allocated memory is still 111.1 MB. Free memory was 80.4 MB in the beginning and 77.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.53 ms. Allocated memory is still 111.1 MB. Free memory was 77.4 MB in the beginning and 74.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1144.60 ms. Allocated memory was 111.1 MB in the beginning and 148.9 MB in the end (delta: 37.7 MB). Free memory was 74.6 MB in the beginning and 119.0 MB in the end (delta: -44.4 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 782.27 ms. Allocated memory is still 148.9 MB. Free memory was 118.2 MB in the beginning and 85.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Witness Printer took 6.24 ms. Allocated memory is still 148.9 MB. Free memory is still 85.4 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: 231]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 230, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L224] float x = -1.0f / 0.0f; [L225] float y = -1.0f / 0.0f; [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L227] float res = __ieee754_atan2f(y, x); [L230] COND TRUE res != -3 * pi_o_4 VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L231] reach_error() VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 642.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.3ms, AutomataDifference: 59.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 105 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=76occurred 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: 26.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.8ms SsaConstructionTime, 152.9ms SatisfiabilityAnalysisTime, 60.4ms InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 02:16:33,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/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 02:16:35,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:16:35,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:16:35,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:16:35,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:16:35,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:16:35,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:16:36,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:16:36,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:16:36,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:16:36,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:16:36,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:16:36,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:16:36,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:16:36,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:16:36,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:16:36,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:16:36,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:16:36,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:16:36,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:16:36,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:16:36,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:16:36,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:16:36,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:16:36,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:16:36,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:16:36,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:16:36,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:16:36,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:16:36,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:16:36,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:16:36,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:16:36,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:16:36,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:16:36,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:16:36,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:16:36,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:16:36,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:16:36,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:16:36,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:16:36,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:16:36,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:16:36,078 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:16:36,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:16:36,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:16:36,080 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:16:36,080 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:16:36,080 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:16:36,080 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:16:36,080 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:16:36,081 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:16:36,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:16:36,082 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:16:36,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:16:36,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:16:36,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:16:36,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:16:36,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:16:36,083 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:16:36,083 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:16:36,083 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:16:36,083 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:16:36,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:16:36,084 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:16:36,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:16:36,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:16:36,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:16:36,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:16:36,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:16:36,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:16:36,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:16:36,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:16:36,086 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:16:36,086 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:16:36,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:16:36,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:16:36,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:16:36,087 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_5688627b-901d-4878-a3d4-ffd5e13c143f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fd2b5f74c4a51110fe0603495d3cc2b703c656b [2021-10-16 02:16:36,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:16:36,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:16:36,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:16:36,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:16:36,508 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:16:36,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/float_req_bl_0685b.c [2021-10-16 02:16:36,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/data/dcb81b0d3/02e55f37a9ac4e109561f37f5cc99cfd/FLAG0fa0a6c90 [2021-10-16 02:16:37,115 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:16:37,117 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/sv-benchmarks/c/float-newlib/float_req_bl_0685b.c [2021-10-16 02:16:37,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/data/dcb81b0d3/02e55f37a9ac4e109561f37f5cc99cfd/FLAG0fa0a6c90 [2021-10-16 02:16:37,447 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/data/dcb81b0d3/02e55f37a9ac4e109561f37f5cc99cfd [2021-10-16 02:16:37,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:16:37,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:16:37,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:16:37,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:16:37,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:16:37,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:16:37" (1/1) ... [2021-10-16 02:16:37,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c43ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37, skipping insertion in model container [2021-10-16 02:16:37,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:16:37" (1/1) ... [2021-10-16 02:16:37,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:16:37,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:16:37,745 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_5688627b-901d-4878-a3d4-ffd5e13c143f/sv-benchmarks/c/float-newlib/float_req_bl_0685b.c[5277,5290] [2021-10-16 02:16:37,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:16:37,773 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:16:37,828 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_5688627b-901d-4878-a3d4-ffd5e13c143f/sv-benchmarks/c/float-newlib/float_req_bl_0685b.c[5277,5290] [2021-10-16 02:16:37,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:16:37,851 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:16:37,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37 WrapperNode [2021-10-16 02:16:37,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:16:37,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:16:37,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:16:37,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:16:37,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37" (1/1) ... [2021-10-16 02:16:37,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37" (1/1) ... [2021-10-16 02:16:37,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:16:37,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:16:37,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:16:37,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:16:37,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37" (1/1) ... [2021-10-16 02:16:37,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37" (1/1) ... [2021-10-16 02:16:37,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37" (1/1) ... [2021-10-16 02:16:37,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37" (1/1) ... [2021-10-16 02:16:37,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37" (1/1) ... [2021-10-16 02:16:37,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37" (1/1) ... [2021-10-16 02:16:37,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37" (1/1) ... [2021-10-16 02:16:38,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:16:38,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:16:38,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:16:38,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:16:38,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37" (1/1) ... [2021-10-16 02:16:38,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:16:38,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:16:38,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:16:38,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:16:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-16 02:16:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:16:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:16:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-16 02:16:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 02:16:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:16:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:16:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-16 02:16:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 02:16:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:17:03,069 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:17:03,070 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-16 02:17:03,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:17:03 BoogieIcfgContainer [2021-10-16 02:17:03,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:17:03,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:17:03,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:17:03,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:17:03,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:16:37" (1/3) ... [2021-10-16 02:17:03,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6226b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:17:03, skipping insertion in model container [2021-10-16 02:17:03,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:37" (2/3) ... [2021-10-16 02:17:03,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6226b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:17:03, skipping insertion in model container [2021-10-16 02:17:03,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:17:03" (3/3) ... [2021-10-16 02:17:03,085 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0685b.c [2021-10-16 02:17:03,090 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:17:03,110 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:17:03,163 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:17:03,169 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 02:17:03,170 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:17:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 107 states have (on average 1.7009345794392523) internal successors, (182), 108 states have internal predecessors, (182), 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 02:17:03,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 02:17:03,210 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:17:03,213 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:17:03,214 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:17:03,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:17:03,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2021-10-16 02:17:03,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:17:03,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96109239] [2021-10-16 02:17:03,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:17:03,260 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:17:03,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:17:03,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:17:03,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:17:03,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:17:03,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:17:03,617 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 02:17:03,622 INFO L168 Benchmark]: Toolchain (without parser) took 26162.80 ms. Allocated memory is still 75.5 MB. Free memory was 53.8 MB in the beginning and 46.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:17:03,622 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory is still 34.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:17:03,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.79 ms. Allocated memory is still 75.5 MB. Free memory was 53.5 MB in the beginning and 53.1 MB in the end (delta: 458.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:17:03,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.53 ms. Allocated memory is still 75.5 MB. Free memory was 53.1 MB in the beginning and 49.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:17:03,625 INFO L168 Benchmark]: Boogie Preprocessor took 68.30 ms. Allocated memory is still 75.5 MB. Free memory was 49.7 MB in the beginning and 46.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:17:03,627 INFO L168 Benchmark]: RCFGBuilder took 25069.40 ms. Allocated memory is still 75.5 MB. Free memory was 46.4 MB in the beginning and 33.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:17:03,628 INFO L168 Benchmark]: TraceAbstraction took 543.15 ms. Allocated memory is still 75.5 MB. Free memory was 33.2 MB in the beginning and 46.2 MB in the end (delta: -13.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:17:03,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory is still 34.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 390.79 ms. Allocated memory is still 75.5 MB. Free memory was 53.5 MB in the beginning and 53.1 MB in the end (delta: 458.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.53 ms. Allocated memory is still 75.5 MB. Free memory was 53.1 MB in the beginning and 49.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.30 ms. Allocated memory is still 75.5 MB. Free memory was 49.7 MB in the beginning and 46.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 25069.40 ms. Allocated memory is still 75.5 MB. Free memory was 46.4 MB in the beginning and 33.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 543.15 ms. Allocated memory is still 75.5 MB. Free memory was 33.2 MB in the beginning and 46.2 MB in the end (delta: -13.0 MB). There was no memory consumed. 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 02:17:03,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688627b-901d-4878-a3d4-ffd5e13c143f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...