./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.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_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/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_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/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_32ffdbd8-7633-494b-96a7-9e752b46592e/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 351a41b333a03034af243bf6ecb848a7608d7ac0 ................................................................................................................................................................................................................................................................................................................................................... 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_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/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_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/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_32ffdbd8-7633-494b-96a7-9e752b46592e/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 351a41b333a03034af243bf6ecb848a7608d7ac0 ....................................................................................................................................................................................................................................................................... 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 02:43:14,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:43:14,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:43:14,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:43:14,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:43:14,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:43:14,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:43:14,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:43:14,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:43:14,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:43:14,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:43:14,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:43:14,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:43:14,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:43:14,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:43:14,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:43:14,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:43:14,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:43:14,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:43:14,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:43:14,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:43:14,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:43:14,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:43:14,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:43:14,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:43:14,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:43:14,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:43:14,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:43:14,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:43:14,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:43:14,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:43:14,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:43:14,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:43:14,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:43:14,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:43:14,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:43:14,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:43:14,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:43:14,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:43:14,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:43:14,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:43:14,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:43:14,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:43:14,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:43:14,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:43:14,544 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:43:14,545 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:43:14,545 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:43:14,545 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:43:14,545 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:43:14,546 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:43:14,546 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:43:14,546 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:43:14,546 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:43:14,546 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:43:14,547 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:43:14,547 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:43:14,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:43:14,548 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:43:14,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:43:14,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:43:14,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:43:14,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:43:14,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:43:14,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:43:14,549 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:43:14,549 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:43:14,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:43:14,550 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:43:14,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:43:14,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:43:14,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:43:14,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:43:14,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:43:14,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:43:14,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:43:14,552 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:43:14,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:43:14,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:43:14,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:43:14,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:43:14,553 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_32ffdbd8-7633-494b-96a7-9e752b46592e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 351a41b333a03034af243bf6ecb848a7608d7ac0 [2021-10-16 02:43:14,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:43:14,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:43:14,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:43:14,865 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:43:14,866 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:43:14,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2021-10-16 02:43:14,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/data/0a1efe64b/1d97742372274c21a59ec98ef875e153/FLAGb6cad7b13 [2021-10-16 02:43:15,424 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:43:15,425 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2021-10-16 02:43:15,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/data/0a1efe64b/1d97742372274c21a59ec98ef875e153/FLAGb6cad7b13 [2021-10-16 02:43:15,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/data/0a1efe64b/1d97742372274c21a59ec98ef875e153 [2021-10-16 02:43:15,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:43:15,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:43:15,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:43:15,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:43:15,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:43:15,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:43:15" (1/1) ... [2021-10-16 02:43:15,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aeb65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:15, skipping insertion in model container [2021-10-16 02:43:15,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:43:15" (1/1) ... [2021-10-16 02:43:15,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:43:15,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:43:16,080 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_32ffdbd8-7633-494b-96a7-9e752b46592e/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c[6214,6227] [2021-10-16 02:43:16,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:43:16,093 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:43:16,158 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_32ffdbd8-7633-494b-96a7-9e752b46592e/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c[6214,6227] [2021-10-16 02:43:16,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:43:16,186 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:43:16,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:16 WrapperNode [2021-10-16 02:43:16,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:43:16,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:43:16,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:43:16,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:43:16,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:16" (1/1) ... [2021-10-16 02:43:16,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:16" (1/1) ... [2021-10-16 02:43:16,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:43:16,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:43:16,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:43:16,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:43:16,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:16" (1/1) ... [2021-10-16 02:43:16,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:16" (1/1) ... [2021-10-16 02:43:16,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:16" (1/1) ... [2021-10-16 02:43:16,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:16" (1/1) ... [2021-10-16 02:43:16,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:16" (1/1) ... [2021-10-16 02:43:16,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:16" (1/1) ... [2021-10-16 02:43:16,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:16" (1/1) ... [2021-10-16 02:43:16,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:43:16,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:43:16,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:43:16,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:43:16,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:16" (1/1) ... [2021-10-16 02:43:16,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:43:16,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:43:16,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:43:16,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:43:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:43:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:43:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 02:43:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 02:43:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 02:43:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:43:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:43:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 02:43:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-16 02:43:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:43:17,603 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:43:17,604 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-16 02:43:17,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:43:17 BoogieIcfgContainer [2021-10-16 02:43:17,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:43:17,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:43:17,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:43:17,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:43:17,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:43:15" (1/3) ... [2021-10-16 02:43:17,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff8b3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:43:17, skipping insertion in model container [2021-10-16 02:43:17,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:16" (2/3) ... [2021-10-16 02:43:17,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff8b3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:43:17, skipping insertion in model container [2021-10-16 02:43:17,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:43:17" (3/3) ... [2021-10-16 02:43:17,618 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660a.c [2021-10-16 02:43:17,629 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:43:17,629 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:43:17,684 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:43:17,690 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 02:43:17,691 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:43:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 82 states have (on average 1.7439024390243902) internal successors, (143), 83 states have internal predecessors, (143), 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 02:43:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 02:43:17,712 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:43:17,713 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:43:17,713 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:43:17,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:43:17,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1882889100, now seen corresponding path program 1 times [2021-10-16 02:43:17,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:43:17,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629197084] [2021-10-16 02:43:17,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:43:17,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:43:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:43:17,926 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 02:43:17,926 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:43:17,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629197084] [2021-10-16 02:43:17,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629197084] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:43:17,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:43:17,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:43:17,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129825915] [2021-10-16 02:43:17,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:43:17,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:43:17,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:43:17,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:43:17,950 INFO L87 Difference]: Start difference. First operand has 84 states, 82 states have (on average 1.7439024390243902) internal successors, (143), 83 states have internal predecessors, (143), 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 02:43:17,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:43:17,975 INFO L93 Difference]: Finished difference Result 166 states and 283 transitions. [2021-10-16 02:43:17,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:43:17,977 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 02:43:17,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:43:17,987 INFO L225 Difference]: With dead ends: 166 [2021-10-16 02:43:17,987 INFO L226 Difference]: Without dead ends: 81 [2021-10-16 02:43:17,990 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 02:43:18,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-10-16 02:43:18,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-10-16 02:43:18,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.375) internal successors, (110), 80 states have internal predecessors, (110), 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 02:43:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 110 transitions. [2021-10-16 02:43:18,031 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 110 transitions. Word has length 10 [2021-10-16 02:43:18,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:43:18,032 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 110 transitions. [2021-10-16 02:43:18,032 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 02:43:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2021-10-16 02:43:18,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-16 02:43:18,033 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:43:18,033 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:43:18,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:43:18,034 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:43:18,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:43:18,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1485570307, now seen corresponding path program 1 times [2021-10-16 02:43:18,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:43:18,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018597363] [2021-10-16 02:43:18,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:43:18,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:43:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:43:18,146 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:43:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:43:18,234 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:43:18,234 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:43:18,236 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:43:18,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:43:18,244 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:43:18,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:43:18 BoogieIcfgContainer [2021-10-16 02:43:18,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:43:18,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:43:18,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:43:18,293 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:43:18,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:43:17" (3/4) ... [2021-10-16 02:43:18,299 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:43:18,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:43:18,302 INFO L168 Benchmark]: Toolchain (without parser) took 2520.52 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 49.8 MB in the beginning and 65.0 MB in the end (delta: -15.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:18,303 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 62.6 MB in the beginning and 62.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:43:18,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.66 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 49.7 MB in the beginning and 86.4 MB in the end (delta: -36.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:18,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.07 ms. Allocated memory is still 115.3 MB. Free memory was 86.4 MB in the beginning and 83.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:18,313 INFO L168 Benchmark]: Boogie Preprocessor took 96.40 ms. Allocated memory is still 115.3 MB. Free memory was 83.2 MB in the beginning and 80.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:18,314 INFO L168 Benchmark]: RCFGBuilder took 1219.37 ms. Allocated memory is still 115.3 MB. Free memory was 79.8 MB in the beginning and 67.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:18,314 INFO L168 Benchmark]: TraceAbstraction took 683.54 ms. Allocated memory is still 115.3 MB. Free memory was 67.2 MB in the beginning and 65.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:43:18,315 INFO L168 Benchmark]: Witness Printer took 6.94 ms. Allocated memory is still 115.3 MB. Free memory was 65.6 MB in the beginning and 65.0 MB in the end (delta: 579.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:43:18,322 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 83.9 MB. Free memory was 62.6 MB in the beginning and 62.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 405.66 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 49.7 MB in the beginning and 86.4 MB in the end (delta: -36.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.07 ms. Allocated memory is still 115.3 MB. Free memory was 86.4 MB in the beginning and 83.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.40 ms. Allocated memory is still 115.3 MB. Free memory was 83.2 MB in the beginning and 80.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1219.37 ms. Allocated memory is still 115.3 MB. Free memory was 79.8 MB in the beginning and 67.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 683.54 ms. Allocated memory is still 115.3 MB. Free memory was 67.2 MB in the beginning and 65.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. * Witness Printer took 6.94 ms. Allocated memory is still 115.3 MB. Free memory was 65.6 MB in the beginning and 65.0 MB in the end (delta: 579.1 kB). 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: 261]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 260. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L252] double x = __VERIFIER_nondet_double(); [L253] double y = -0.0; VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L255] COND TRUE x < 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != -pi VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L261] reach_error() VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 560.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.1ms, AutomataDifference: 55.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 114 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=84occurred 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: 25.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.0ms SsaConstructionTime, 144.0ms SatisfiabilityAnalysisTime, 80.5ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 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 02:43:18,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/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 02:43:20,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:43:20,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:43:20,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:43:20,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:43:20,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:43:20,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:43:20,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:43:20,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:43:20,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:43:20,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:43:20,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:43:20,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:43:20,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:43:20,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:43:20,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:43:20,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:43:20,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:43:20,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:43:20,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:43:20,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:43:20,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:43:20,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:43:20,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:43:20,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:43:20,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:43:20,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:43:20,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:43:20,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:43:20,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:43:20,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:43:20,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:43:20,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:43:20,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:43:20,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:43:20,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:43:20,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:43:20,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:43:20,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:43:20,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:43:20,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:43:20,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:43:20,994 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:43:20,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:43:20,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:43:20,996 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:43:20,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:43:20,997 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:43:20,997 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:43:20,997 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:43:20,998 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:43:20,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:43:21,000 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:43:21,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:43:21,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:43:21,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:43:21,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:43:21,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:43:21,002 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:43:21,002 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:43:21,002 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:43:21,002 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:43:21,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:43:21,003 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:43:21,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:43:21,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:43:21,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:43:21,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:43:21,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:43:21,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:43:21,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:43:21,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:43:21,005 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:43:21,005 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:43:21,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:43:21,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:43:21,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:43:21,007 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_32ffdbd8-7633-494b-96a7-9e752b46592e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 351a41b333a03034af243bf6ecb848a7608d7ac0 [2021-10-16 02:43:21,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:43:21,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:43:21,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:43:21,466 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:43:21,467 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:43:21,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2021-10-16 02:43:21,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/data/954f491ef/e5eaf109db8f45939369e42b1e50999d/FLAGdd3b4b52a [2021-10-16 02:43:22,063 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:43:22,064 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2021-10-16 02:43:22,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/data/954f491ef/e5eaf109db8f45939369e42b1e50999d/FLAGdd3b4b52a [2021-10-16 02:43:22,397 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/data/954f491ef/e5eaf109db8f45939369e42b1e50999d [2021-10-16 02:43:22,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:43:22,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:43:22,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:43:22,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:43:22,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:43:22,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:43:22" (1/1) ... [2021-10-16 02:43:22,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c95eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22, skipping insertion in model container [2021-10-16 02:43:22,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:43:22" (1/1) ... [2021-10-16 02:43:22,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:43:22,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:43:22,757 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_32ffdbd8-7633-494b-96a7-9e752b46592e/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c[6214,6227] [2021-10-16 02:43:22,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:43:22,782 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:43:22,877 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_32ffdbd8-7633-494b-96a7-9e752b46592e/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c[6214,6227] [2021-10-16 02:43:22,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:43:22,900 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:43:22,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22 WrapperNode [2021-10-16 02:43:22,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:43:22,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:43:22,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:43:22,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:43:22,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22" (1/1) ... [2021-10-16 02:43:22,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22" (1/1) ... [2021-10-16 02:43:22,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:43:22,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:43:22,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:43:22,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:43:22,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22" (1/1) ... [2021-10-16 02:43:22,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22" (1/1) ... [2021-10-16 02:43:22,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22" (1/1) ... [2021-10-16 02:43:22,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22" (1/1) ... [2021-10-16 02:43:23,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22" (1/1) ... [2021-10-16 02:43:23,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22" (1/1) ... [2021-10-16 02:43:23,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22" (1/1) ... [2021-10-16 02:43:23,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:43:23,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:43:23,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:43:23,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:43:23,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22" (1/1) ... [2021-10-16 02:43:23,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:43:23,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:43:23,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:43:23,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:43:23,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-16 02:43:23,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-16 02:43:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:43:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:43:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-16 02:43:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 02:43:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:43:23,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:43:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 02:43:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:44:03,606 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:44:03,607 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-16 02:44:03,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:44:03 BoogieIcfgContainer [2021-10-16 02:44:03,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:44:03,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:44:03,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:44:03,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:44:03,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:43:22" (1/3) ... [2021-10-16 02:44:03,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd7dda3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:44:03, skipping insertion in model container [2021-10-16 02:44:03,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:22" (2/3) ... [2021-10-16 02:44:03,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd7dda3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:44:03, skipping insertion in model container [2021-10-16 02:44:03,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:44:03" (3/3) ... [2021-10-16 02:44:03,621 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660a.c [2021-10-16 02:44:03,628 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:44:03,628 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:44:03,683 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:44:03,690 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 02:44:03,691 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:44:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.7079646017699115) internal successors, (193), 114 states have internal predecessors, (193), 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 02:44:03,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-16 02:44:03,716 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:44:03,717 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:44:03,718 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:44:03,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:44:03,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2021-10-16 02:44:03,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:44:03,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314490071] [2021-10-16 02:44:03,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:44:03,740 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:44:03,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:44:03,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:44:03,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:44:03,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-16 02:44:04,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:44:04,070 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 02:44:04,075 INFO L168 Benchmark]: Toolchain (without parser) took 41673.84 ms. Allocated memory was 81.8 MB in the beginning and 115.3 MB in the end (delta: 33.6 MB). Free memory was 46.0 MB in the beginning and 63.1 MB in the end (delta: -17.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:44:04,076 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 81.8 MB. Free memory was 62.7 MB in the beginning and 62.7 MB in the end (delta: 67.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:44:04,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.35 ms. Allocated memory is still 81.8 MB. Free memory was 45.8 MB in the beginning and 59.3 MB in the end (delta: -13.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:44:04,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.77 ms. Allocated memory is still 81.8 MB. Free memory was 59.1 MB in the beginning and 55.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:44:04,087 INFO L168 Benchmark]: Boogie Preprocessor took 95.80 ms. Allocated memory is still 81.8 MB. Free memory was 55.7 MB in the beginning and 52.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:44:04,088 INFO L168 Benchmark]: RCFGBuilder took 40548.85 ms. Allocated memory was 81.8 MB in the beginning and 115.3 MB in the end (delta: 33.6 MB). Free memory was 52.1 MB in the beginning and 74.4 MB in the end (delta: -22.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:44:04,089 INFO L168 Benchmark]: TraceAbstraction took 460.29 ms. Allocated memory is still 115.3 MB. Free memory was 73.8 MB in the beginning and 63.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:44:04,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 81.8 MB. Free memory was 62.7 MB in the beginning and 62.7 MB in the end (delta: 67.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 499.35 ms. Allocated memory is still 81.8 MB. Free memory was 45.8 MB in the beginning and 59.3 MB in the end (delta: -13.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.77 ms. Allocated memory is still 81.8 MB. Free memory was 59.1 MB in the beginning and 55.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.80 ms. Allocated memory is still 81.8 MB. Free memory was 55.7 MB in the beginning and 52.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40548.85 ms. Allocated memory was 81.8 MB in the beginning and 115.3 MB in the end (delta: 33.6 MB). Free memory was 52.1 MB in the beginning and 74.4 MB in the end (delta: -22.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 460.29 ms. Allocated memory is still 115.3 MB. Free memory was 73.8 MB in the beginning and 63.1 MB in the end (delta: 10.7 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 02:44:04,341 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-16 02:44:04,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ffdbd8-7633-494b-96a7-9e752b46592e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...