./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.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_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/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_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/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_065c67fd-1867-43b3-b3c6-dd954f398f07/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 597c506d0b3fc33883fce44a91a8553df19930fc .................................................................................................................................................................................................................................................................................................................................................. 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_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/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_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/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_065c67fd-1867-43b3-b3c6-dd954f398f07/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 597c506d0b3fc33883fce44a91a8553df19930fc ....................................................................................................................................................................................................................................................................... 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 03:12:52,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:12:52,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:12:52,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:12:52,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:12:52,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:12:52,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:12:52,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:12:52,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:12:52,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:12:52,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:12:52,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:12:52,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:12:52,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:12:52,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:12:52,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:12:52,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:12:52,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:12:52,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:12:52,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:12:52,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:12:52,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:12:52,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:12:52,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:12:52,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:12:52,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:12:52,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:12:52,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:12:52,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:12:52,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:12:52,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:12:52,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:12:52,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:12:52,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:12:52,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:12:52,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:12:52,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:12:52,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:12:52,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:12:52,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:12:52,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:12:52,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:12:52,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:12:52,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:12:52,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:12:52,505 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:12:52,505 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:12:52,505 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:12:52,505 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:12:52,506 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:12:52,506 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:12:52,506 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:12:52,508 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:12:52,508 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:12:52,508 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:12:52,509 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:12:52,509 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:12:52,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:12:52,510 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:12:52,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:12:52,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:12:52,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:12:52,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:12:52,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:12:52,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:12:52,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:12:52,512 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:12:52,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:12:52,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:12:52,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:12:52,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:12:52,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:12:52,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:12:52,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:12:52,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:12:52,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:12:52,515 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:12:52,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:12:52,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:12:52,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:12:52,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:12:52,516 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_065c67fd-1867-43b3-b3c6-dd954f398f07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 597c506d0b3fc33883fce44a91a8553df19930fc [2021-10-16 03:12:52,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:12:52,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:12:52,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:12:52,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:12:52,925 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:12:52,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2021-10-16 03:12:53,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/data/80c1275d1/0b6b20cb99784661b97f80dc641b6c07/FLAG16249b48c [2021-10-16 03:12:53,655 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:12:53,660 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2021-10-16 03:12:53,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/data/80c1275d1/0b6b20cb99784661b97f80dc641b6c07/FLAG16249b48c [2021-10-16 03:12:53,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/data/80c1275d1/0b6b20cb99784661b97f80dc641b6c07 [2021-10-16 03:12:53,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:12:53,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:12:53,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:12:53,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:12:53,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:12:53,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:12:53" (1/1) ... [2021-10-16 03:12:53,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6750ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:53, skipping insertion in model container [2021-10-16 03:12:53,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:12:53" (1/1) ... [2021-10-16 03:12:53,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:12:54,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:12:54,388 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_065c67fd-1867-43b3-b3c6-dd954f398f07/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c[6220,6233] [2021-10-16 03:12:54,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:12:54,414 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:12:54,517 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_065c67fd-1867-43b3-b3c6-dd954f398f07/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c[6220,6233] [2021-10-16 03:12:54,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:12:54,544 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:12:54,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54 WrapperNode [2021-10-16 03:12:54,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:12:54,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:12:54,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:12:54,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:12:54,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54" (1/1) ... [2021-10-16 03:12:54,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54" (1/1) ... [2021-10-16 03:12:54,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:12:54,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:12:54,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:12:54,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:12:54,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54" (1/1) ... [2021-10-16 03:12:54,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54" (1/1) ... [2021-10-16 03:12:54,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54" (1/1) ... [2021-10-16 03:12:54,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54" (1/1) ... [2021-10-16 03:12:54,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54" (1/1) ... [2021-10-16 03:12:54,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54" (1/1) ... [2021-10-16 03:12:54,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54" (1/1) ... [2021-10-16 03:12:54,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:12:54,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:12:54,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:12:54,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:12:54,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54" (1/1) ... [2021-10-16 03:12:54,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:12:54,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:12:54,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:12:54,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:12:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 03:12:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:12:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 03:12:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 03:12:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 03:12:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:12:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:12:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 03:12:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-16 03:12:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 03:12:55,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:12:55,886 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-16 03:12:55,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:12:55 BoogieIcfgContainer [2021-10-16 03:12:55,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:12:55,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:12:55,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:12:55,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:12:55,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:12:53" (1/3) ... [2021-10-16 03:12:55,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230ce547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:12:55, skipping insertion in model container [2021-10-16 03:12:55,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54" (2/3) ... [2021-10-16 03:12:55,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230ce547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:12:55, skipping insertion in model container [2021-10-16 03:12:55,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:12:55" (3/3) ... [2021-10-16 03:12:55,903 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2021-10-16 03:12:55,910 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:12:55,910 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:12:55,978 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:12:55,991 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 03:12:55,991 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:12:56,016 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 03:12:56,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 03:12:56,039 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:12:56,040 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:12:56,041 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:12:56,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:12:56,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1882889100, now seen corresponding path program 1 times [2021-10-16 03:12:56,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:12:56,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545660041] [2021-10-16 03:12:56,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:12:56,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:12:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:12:56,237 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 03:12:56,238 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:12:56,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545660041] [2021-10-16 03:12:56,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545660041] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:12:56,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:12:56,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 03:12:56,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101067748] [2021-10-16 03:12:56,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 03:12:56,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:12:56,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 03:12:56,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:12:56,265 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 03:12:56,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:12:56,291 INFO L93 Difference]: Finished difference Result 166 states and 283 transitions. [2021-10-16 03:12:56,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 03:12:56,293 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 03:12:56,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:12:56,304 INFO L225 Difference]: With dead ends: 166 [2021-10-16 03:12:56,304 INFO L226 Difference]: Without dead ends: 81 [2021-10-16 03:12:56,308 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 03:12:56,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-10-16 03:12:56,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-10-16 03:12:56,354 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 03:12:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 110 transitions. [2021-10-16 03:12:56,364 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 110 transitions. Word has length 10 [2021-10-16 03:12:56,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:12:56,364 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 110 transitions. [2021-10-16 03:12:56,365 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 03:12:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2021-10-16 03:12:56,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-16 03:12:56,366 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:12:56,366 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:12:56,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 03:12:56,367 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:12:56,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:12:56,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1485570307, now seen corresponding path program 1 times [2021-10-16 03:12:56,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:12:56,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793151536] [2021-10-16 03:12:56,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:12:56,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:12:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 03:12:56,553 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 03:12:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 03:12:56,689 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 03:12:56,690 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 03:12:56,692 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:12:56,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 03:12:56,702 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:12:56,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:12:56 BoogieIcfgContainer [2021-10-16 03:12:56,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:12:56,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:12:56,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:12:56,758 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:12:56,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:12:55" (3/4) ... [2021-10-16 03:12:56,762 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 03:12:56,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:12:56,764 INFO L168 Benchmark]: Toolchain (without parser) took 2788.17 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 58.8 MB in the beginning and 83.9 MB in the end (delta: -25.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:56,765 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory was 63.5 MB in the beginning and 63.5 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:12:56,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.59 ms. Allocated memory is still 94.4 MB. Free memory was 58.7 MB in the beginning and 64.9 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:56,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.72 ms. Allocated memory is still 94.4 MB. Free memory was 64.9 MB in the beginning and 61.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:56,767 INFO L168 Benchmark]: Boogie Preprocessor took 99.43 ms. Allocated memory is still 94.4 MB. Free memory was 61.4 MB in the beginning and 58.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:56,768 INFO L168 Benchmark]: RCFGBuilder took 1142.91 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 58.3 MB in the beginning and 81.2 MB in the end (delta: -22.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:56,769 INFO L168 Benchmark]: TraceAbstraction took 865.21 ms. Allocated memory is still 125.8 MB. Free memory was 80.6 MB in the beginning and 83.9 MB in the end (delta: -3.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:12:56,769 INFO L168 Benchmark]: Witness Printer took 4.52 ms. Allocated memory is still 125.8 MB. Free memory is still 83.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:12:56,773 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory was 63.5 MB in the beginning and 63.5 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 568.59 ms. Allocated memory is still 94.4 MB. Free memory was 58.7 MB in the beginning and 64.9 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.72 ms. Allocated memory is still 94.4 MB. Free memory was 64.9 MB in the beginning and 61.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.43 ms. Allocated memory is still 94.4 MB. Free memory was 61.4 MB in the beginning and 58.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1142.91 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 58.3 MB in the beginning and 81.2 MB in the end (delta: -22.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 865.21 ms. Allocated memory is still 125.8 MB. Free memory was 80.6 MB in the beginning and 83.9 MB in the end (delta: -3.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.52 ms. Allocated memory is still 125.8 MB. Free memory is still 83.9 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: 262]: 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 261. 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; [L253] double x = -0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y > 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] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_2 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] [L262] 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: 724.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 28.9ms, AutomataDifference: 59.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.4ms, 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: 40.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.5ms SsaConstructionTime, 188.5ms SatisfiabilityAnalysisTime, 59.8ms 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 03:12:56,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/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 03:12:59,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:12:59,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:12:59,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:12:59,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:12:59,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:12:59,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:12:59,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:12:59,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:12:59,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:12:59,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:12:59,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:12:59,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:12:59,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:12:59,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:12:59,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:12:59,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:12:59,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:12:59,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:12:59,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:12:59,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:12:59,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:12:59,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:12:59,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:12:59,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:12:59,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:12:59,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:12:59,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:12:59,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:12:59,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:12:59,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:12:59,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:12:59,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:12:59,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:12:59,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:12:59,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:12:59,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:12:59,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:12:59,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:12:59,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:12:59,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:12:59,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:12:59,645 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:12:59,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:12:59,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:12:59,647 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:12:59,647 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:12:59,648 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:12:59,648 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:12:59,648 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:12:59,649 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:12:59,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:12:59,652 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:12:59,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:12:59,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:12:59,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:12:59,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:12:59,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:12:59,653 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:12:59,654 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:12:59,654 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:12:59,654 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:12:59,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:12:59,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:12:59,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:12:59,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:12:59,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:12:59,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:12:59,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:12:59,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:12:59,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:12:59,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:12:59,657 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:12:59,657 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:12:59,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:12:59,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:12:59,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:12:59,659 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_065c67fd-1867-43b3-b3c6-dd954f398f07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 597c506d0b3fc33883fce44a91a8553df19930fc [2021-10-16 03:13:00,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:13:00,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:13:00,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:13:00,128 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:13:00,129 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:13:00,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2021-10-16 03:13:00,223 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/data/626ab0c31/cc1e902eb4b545d4b61e6043f28ac12f/FLAGeb1fada3a [2021-10-16 03:13:00,896 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:13:00,898 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2021-10-16 03:13:00,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/data/626ab0c31/cc1e902eb4b545d4b61e6043f28ac12f/FLAGeb1fada3a [2021-10-16 03:13:01,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/data/626ab0c31/cc1e902eb4b545d4b61e6043f28ac12f [2021-10-16 03:13:01,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:13:01,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:13:01,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:13:01,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:13:01,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:13:01,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:01" (1/1) ... [2021-10-16 03:13:01,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe77ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01, skipping insertion in model container [2021-10-16 03:13:01,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:01" (1/1) ... [2021-10-16 03:13:01,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:13:01,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:13:01,505 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_065c67fd-1867-43b3-b3c6-dd954f398f07/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c[6220,6233] [2021-10-16 03:13:01,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:13:01,551 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:13:01,668 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_065c67fd-1867-43b3-b3c6-dd954f398f07/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c[6220,6233] [2021-10-16 03:13:01,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:13:01,698 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:13:01,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01 WrapperNode [2021-10-16 03:13:01,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:13:01,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:13:01,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:13:01,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:13:01,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01" (1/1) ... [2021-10-16 03:13:01,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01" (1/1) ... [2021-10-16 03:13:01,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:13:01,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:13:01,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:13:01,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:13:01,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01" (1/1) ... [2021-10-16 03:13:01,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01" (1/1) ... [2021-10-16 03:13:01,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01" (1/1) ... [2021-10-16 03:13:01,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01" (1/1) ... [2021-10-16 03:13:01,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01" (1/1) ... [2021-10-16 03:13:01,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01" (1/1) ... [2021-10-16 03:13:01,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01" (1/1) ... [2021-10-16 03:13:01,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:13:01,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:13:01,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:13:01,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:13:01,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01" (1/1) ... [2021-10-16 03:13:01,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:13:01,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:13:01,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:13:01,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:13:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-16 03:13:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-16 03:13:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:13:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:13:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-16 03:13:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 03:13:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:13:02,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:13:02,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 03:13:02,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 03:13:39,195 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:13:39,195 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-16 03:13:39,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:39 BoogieIcfgContainer [2021-10-16 03:13:39,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:13:39,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:13:39,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:13:39,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:13:39,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:13:01" (1/3) ... [2021-10-16 03:13:39,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c6b083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:13:39, skipping insertion in model container [2021-10-16 03:13:39,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:01" (2/3) ... [2021-10-16 03:13:39,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c6b083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:13:39, skipping insertion in model container [2021-10-16 03:13:39,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:39" (3/3) ... [2021-10-16 03:13:39,208 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2021-10-16 03:13:39,214 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:13:39,215 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:13:39,266 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:13:39,273 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 03:13:39,273 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:13:39,291 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 03:13:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-16 03:13:39,297 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:13:39,297 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:13:39,298 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:13:39,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:13:39,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2021-10-16 03:13:39,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:13:39,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368768337] [2021-10-16 03:13:39,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:13:39,323 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:13:39,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:13:39,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:13:39,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:13:39,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-16 03:13:39,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:13:39,638 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 03:13:39,644 INFO L168 Benchmark]: Toolchain (without parser) took 38440.72 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 38.8 MB in the beginning and 48.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:39,644 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:13:39,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.82 ms. Allocated memory is still 58.7 MB. Free memory was 38.6 MB in the beginning and 37.9 MB in the end (delta: 771.9 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:39,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.05 ms. Allocated memory is still 58.7 MB. Free memory was 37.9 MB in the beginning and 34.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:39,647 INFO L168 Benchmark]: Boogie Preprocessor took 118.44 ms. Allocated memory is still 58.7 MB. Free memory was 34.3 MB in the beginning and 30.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:39,648 INFO L168 Benchmark]: RCFGBuilder took 37272.46 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 30.7 MB in the beginning and 59.6 MB in the end (delta: -28.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:39,648 INFO L168 Benchmark]: TraceAbstraction took 440.13 ms. Allocated memory is still 81.8 MB. Free memory was 58.7 MB in the beginning and 48.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:39,652 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 495.82 ms. Allocated memory is still 58.7 MB. Free memory was 38.6 MB in the beginning and 37.9 MB in the end (delta: 771.9 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.05 ms. Allocated memory is still 58.7 MB. Free memory was 37.9 MB in the beginning and 34.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 118.44 ms. Allocated memory is still 58.7 MB. Free memory was 34.3 MB in the beginning and 30.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 37272.46 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 30.7 MB in the beginning and 59.6 MB in the end (delta: -28.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 440.13 ms. Allocated memory is still 81.8 MB. Free memory was 58.7 MB in the beginning and 48.0 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 03:13:39,915 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-16 03:13:39,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065c67fd-1867-43b3-b3c6-dd954f398f07/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...