./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8 --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 8ab4ecd62c10e963d102d38f73f60b5a9a372a97 .......................................................................................................................................................................................................................................................................................................................................... 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_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8 --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 8ab4ecd62c10e963d102d38f73f60b5a9a372a97 ...................................................................................................................................................................................................................................................................... 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-4e77c04 [2021-10-13 07:53:07,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:53:07,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:53:07,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:53:07,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:53:07,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:53:07,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:53:07,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:53:07,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:53:07,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:53:07,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:53:07,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:53:07,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:53:07,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:53:07,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:53:07,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:53:07,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:53:07,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:53:07,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:53:07,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:53:07,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:53:07,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:53:07,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:53:07,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:53:07,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:53:07,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:53:07,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:53:07,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:53:07,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:53:07,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:53:07,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:53:07,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:53:07,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:53:07,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:53:07,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:53:07,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:53:07,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:53:07,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:53:07,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:53:07,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:53:07,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:53:07,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:53:07,416 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:53:07,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:53:07,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:53:07,418 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:53:07,419 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:53:07,419 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:53:07,419 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:53:07,420 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:53:07,426 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:53:07,426 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:53:07,426 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:53:07,427 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:53:07,427 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:53:07,427 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:53:07,427 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:53:07,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:53:07,428 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:53:07,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:53:07,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:53:07,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:53:07,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:53:07,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:53:07,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:53:07,430 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:53:07,430 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:53:07,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:53:07,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:53:07,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:53:07,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:53:07,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:53:07,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:53:07,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:53:07,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:53:07,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:53:07,440 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:53:07,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:53:07,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:53:07,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:53:07,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:53:07,441 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_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ab4ecd62c10e963d102d38f73f60b5a9a372a97 [2021-10-13 07:53:07,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:53:07,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:53:07,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:53:07,689 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:53:07,690 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:53:07,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2021-10-13 07:53:07,775 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/data/cf93122f7/ddb3efa4b07b4993b6e86e986affdbc7/FLAG49d468007 [2021-10-13 07:53:08,252 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:53:08,252 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2021-10-13 07:53:08,261 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/data/cf93122f7/ddb3efa4b07b4993b6e86e986affdbc7/FLAG49d468007 [2021-10-13 07:53:08,622 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/data/cf93122f7/ddb3efa4b07b4993b6e86e986affdbc7 [2021-10-13 07:53:08,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:53:08,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:53:08,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:53:08,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:53:08,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:53:08,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:08" (1/1) ... [2021-10-13 07:53:08,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdc4a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08, skipping insertion in model container [2021-10-13 07:53:08,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:08" (1/1) ... [2021-10-13 07:53:08,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:53:08,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:53:08,873 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_f1487f21-c315-4004-b6db-cd0b999752cd/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2021-10-13 07:53:08,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:53:08,886 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:53:08,936 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_f1487f21-c315-4004-b6db-cd0b999752cd/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2021-10-13 07:53:08,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:53:08,957 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:53:08,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08 WrapperNode [2021-10-13 07:53:08,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:53:08,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:53:08,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:53:08,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:53:08,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08" (1/1) ... [2021-10-13 07:53:08,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08" (1/1) ... [2021-10-13 07:53:09,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:53:09,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:53:09,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:53:09,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:53:09,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08" (1/1) ... [2021-10-13 07:53:09,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08" (1/1) ... [2021-10-13 07:53:09,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08" (1/1) ... [2021-10-13 07:53:09,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08" (1/1) ... [2021-10-13 07:53:09,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08" (1/1) ... [2021-10-13 07:53:09,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08" (1/1) ... [2021-10-13 07:53:09,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08" (1/1) ... [2021-10-13 07:53:09,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:53:09,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:53:09,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:53:09,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:53:09,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08" (1/1) ... [2021-10-13 07:53:09,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:53:09,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:53:09,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:53:09,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:53:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:53:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:53:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 07:53:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 07:53:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 07:53:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:53:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:53:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 07:53:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 07:53:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:53:10,200 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:53:10,201 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-13 07:53:10,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:10 BoogieIcfgContainer [2021-10-13 07:53:10,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:53:10,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:53:10,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:53:10,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:53:10,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:53:08" (1/3) ... [2021-10-13 07:53:10,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71164299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:10, skipping insertion in model container [2021-10-13 07:53:10,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:08" (2/3) ... [2021-10-13 07:53:10,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71164299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:10, skipping insertion in model container [2021-10-13 07:53:10,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:10" (3/3) ... [2021-10-13 07:53:10,216 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0661a.c [2021-10-13 07:53:10,222 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:53:10,222 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:53:10,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:53:10,268 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 [2021-10-13 07:53:10,268 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:53:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 76 states have (on average 1.75) internal successors, (133), 77 states have internal predecessors, (133), 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) [2021-10-13 07:53:10,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 07:53:10,289 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:53:10,289 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:53:10,290 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:53:10,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:53:10,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1265042603, now seen corresponding path program 1 times [2021-10-13 07:53:10,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:53:10,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508574168] [2021-10-13 07:53:10,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:53:10,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:53:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:53:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:53:10,462 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:53:10,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508574168] [2021-10-13 07:53:10,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508574168] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:53:10,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:53:10,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:53:10,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262005560] [2021-10-13 07:53:10,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:53:10,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:53:10,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:53:10,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:53:10,492 INFO L87 Difference]: Start difference. First operand has 78 states, 76 states have (on average 1.75) internal successors, (133), 77 states have internal predecessors, (133), 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) [2021-10-13 07:53:10,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:53:10,532 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2021-10-13 07:53:10,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:53:10,534 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 [2021-10-13 07:53:10,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:53:10,545 INFO L225 Difference]: With dead ends: 154 [2021-10-13 07:53:10,545 INFO L226 Difference]: Without dead ends: 75 [2021-10-13 07:53:10,549 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 [2021-10-13 07:53:10,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-13 07:53:10,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-13 07:53:10,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 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) [2021-10-13 07:53:10,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-10-13 07:53:10,596 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2021-10-13 07:53:10,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:53:10,597 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-10-13 07:53:10,597 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) [2021-10-13 07:53:10,597 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-10-13 07:53:10,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 07:53:10,598 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:53:10,599 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:53:10,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:53:10,599 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:53:10,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:53:10,603 INFO L82 PathProgramCache]: Analyzing trace with hash -417694818, now seen corresponding path program 1 times [2021-10-13 07:53:10,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:53:10,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622051291] [2021-10-13 07:53:10,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:53:10,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:53:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:53:10,748 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:53:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:53:10,819 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:53:10,820 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:53:10,821 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:53:10,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 07:53:10,832 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:53:10,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:53:10 BoogieIcfgContainer [2021-10-13 07:53:10,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:53:10,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:53:10,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:53:10,899 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:53:10,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:10" (3/4) ... [2021-10-13 07:53:10,905 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:53:10,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:53:10,908 INFO L168 Benchmark]: Toolchain (without parser) took 2280.66 ms. Allocated memory is still 115.3 MB. Free memory was 93.7 MB in the beginning and 75.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:10,908 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 86.0 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:53:10,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.87 ms. Allocated memory is still 115.3 MB. Free memory was 93.6 MB in the beginning and 79.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:10,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.35 ms. Allocated memory is still 115.3 MB. Free memory was 79.8 MB in the beginning and 76.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:10,917 INFO L168 Benchmark]: Boogie Preprocessor took 87.55 ms. Allocated memory is still 115.3 MB. Free memory was 76.6 MB in the beginning and 73.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:10,918 INFO L168 Benchmark]: RCFGBuilder took 1076.77 ms. Allocated memory is still 115.3 MB. Free memory was 73.5 MB in the beginning and 65.8 MB in the end (delta: 7.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:10,918 INFO L168 Benchmark]: TraceAbstraction took 692.78 ms. Allocated memory is still 115.3 MB. Free memory was 65.0 MB in the beginning and 75.9 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:53:10,919 INFO L168 Benchmark]: Witness Printer took 6.78 ms. Allocated memory is still 115.3 MB. Free memory is still 75.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:53:10,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 86.0 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 330.87 ms. Allocated memory is still 115.3 MB. Free memory was 93.6 MB in the beginning and 79.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.35 ms. Allocated memory is still 115.3 MB. Free memory was 79.8 MB in the beginning and 76.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.55 ms. Allocated memory is still 115.3 MB. Free memory was 76.6 MB in the beginning and 73.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1076.77 ms. Allocated memory is still 115.3 MB. Free memory was 73.5 MB in the beginning and 65.8 MB in the end (delta: 7.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 692.78 ms. Allocated memory is still 115.3 MB. Free memory was 65.0 MB in the beginning and 75.9 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.78 ms. Allocated memory is still 115.3 MB. Free memory is still 75.9 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: 230]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 219, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L218] float x = __VERIFIER_nondet_float(); [L219] float y = -0.0f; VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L226] COND TRUE x > 0.0f [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L227] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != -0.0f VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L230] reach_error() VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 571.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 9.7ms, AutomataDifference: 77.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 108 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=78occurred 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: 32.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.4ms SsaConstructionTime, 161.3ms SatisfiabilityAnalysisTime, 60.5ms 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 [2021-10-13 07:53:10,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/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-4e77c04 [2021-10-13 07:53:13,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:53:13,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:53:13,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:53:13,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:53:13,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:53:13,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:53:13,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:53:13,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:53:13,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:53:13,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:53:13,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:53:13,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:53:13,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:53:13,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:53:13,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:53:13,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:53:13,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:53:13,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:53:13,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:53:13,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:53:13,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:53:13,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:53:13,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:53:13,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:53:13,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:53:13,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:53:13,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:53:13,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:53:13,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:53:13,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:53:13,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:53:13,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:53:13,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:53:13,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:53:13,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:53:13,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:53:13,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:53:13,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:53:13,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:53:13,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:53:13,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:53:13,568 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:53:13,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:53:13,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:53:13,570 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:53:13,571 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:53:13,571 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:53:13,571 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:53:13,571 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:53:13,571 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:53:13,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:53:13,574 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:53:13,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:53:13,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:53:13,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:53:13,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:53:13,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:53:13,575 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:53:13,576 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:53:13,576 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:53:13,576 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:53:13,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:53:13,577 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:53:13,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:53:13,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:53:13,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:53:13,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:53:13,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:53:13,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:53:13,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:53:13,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:53:13,579 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:53:13,579 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:53:13,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:53:13,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:53:13,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:53:13,580 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_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ab4ecd62c10e963d102d38f73f60b5a9a372a97 [2021-10-13 07:53:13,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:53:13,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:53:13,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:53:13,994 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:53:13,994 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:53:13,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2021-10-13 07:53:14,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/data/e04c00730/752b05534baa4b42be7a3d40503c2183/FLAG1dbda7fd7 [2021-10-13 07:53:14,683 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:53:14,684 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2021-10-13 07:53:14,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/data/e04c00730/752b05534baa4b42be7a3d40503c2183/FLAG1dbda7fd7 [2021-10-13 07:53:15,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/data/e04c00730/752b05534baa4b42be7a3d40503c2183 [2021-10-13 07:53:15,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:53:15,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:53:15,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:53:15,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:53:15,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:53:15,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:15" (1/1) ... [2021-10-13 07:53:15,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4c77e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15, skipping insertion in model container [2021-10-13 07:53:15,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:15" (1/1) ... [2021-10-13 07:53:15,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:53:15,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:53:15,285 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_f1487f21-c315-4004-b6db-cd0b999752cd/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2021-10-13 07:53:15,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:53:15,333 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:53:15,386 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_f1487f21-c315-4004-b6db-cd0b999752cd/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2021-10-13 07:53:15,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:53:15,409 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:53:15,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15 WrapperNode [2021-10-13 07:53:15,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:53:15,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:53:15,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:53:15,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:53:15,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15" (1/1) ... [2021-10-13 07:53:15,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15" (1/1) ... [2021-10-13 07:53:15,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:53:15,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:53:15,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:53:15,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:53:15,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15" (1/1) ... [2021-10-13 07:53:15,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15" (1/1) ... [2021-10-13 07:53:15,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15" (1/1) ... [2021-10-13 07:53:15,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15" (1/1) ... [2021-10-13 07:53:15,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15" (1/1) ... [2021-10-13 07:53:15,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15" (1/1) ... [2021-10-13 07:53:15,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15" (1/1) ... [2021-10-13 07:53:15,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:53:15,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:53:15,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:53:15,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:53:15,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15" (1/1) ... [2021-10-13 07:53:15,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:53:15,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:53:15,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:53:15,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:53:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-13 07:53:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:53:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:53:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 07:53:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 07:53:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:53:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:53:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 07:53:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 07:53:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:53:42,052 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:53:42,052 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-13 07:53:42,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:42 BoogieIcfgContainer [2021-10-13 07:53:42,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:53:42,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:53:42,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:53:42,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:53:42,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:53:15" (1/3) ... [2021-10-13 07:53:42,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ea98de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:42, skipping insertion in model container [2021-10-13 07:53:42,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:15" (2/3) ... [2021-10-13 07:53:42,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ea98de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:42, skipping insertion in model container [2021-10-13 07:53:42,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:42" (3/3) ... [2021-10-13 07:53:42,062 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0661a.c [2021-10-13 07:53:42,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:53:42,068 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:53:42,116 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:53:42,122 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 [2021-10-13 07:53:42,122 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:53:42,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 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) [2021-10-13 07:53:42,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 07:53:42,157 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:53:42,170 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:53:42,171 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:53:42,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:53:42,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2021-10-13 07:53:42,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:53:42,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574203680] [2021-10-13 07:53:42,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:53:42,191 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:53:42,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:53:42,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:53:42,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:53:42,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 07:53:42,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:53:42,476 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 [2021-10-13 07:53:42,481 INFO L168 Benchmark]: Toolchain (without parser) took 27444.81 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 43.4 MB in the beginning and 47.1 MB in the end (delta: -3.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:42,481 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:53:42,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.07 ms. Allocated memory is still 65.0 MB. Free memory was 43.2 MB in the beginning and 43.3 MB in the end (delta: -72.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:42,483 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.70 ms. Allocated memory is still 65.0 MB. Free memory was 43.1 MB in the beginning and 39.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:42,483 INFO L168 Benchmark]: Boogie Preprocessor took 74.73 ms. Allocated memory is still 65.0 MB. Free memory was 39.8 MB in the beginning and 36.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:42,484 INFO L168 Benchmark]: RCFGBuilder took 26496.94 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 36.3 MB in the beginning and 57.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:42,485 INFO L168 Benchmark]: TraceAbstraction took 422.54 ms. Allocated memory is still 79.7 MB. Free memory was 57.3 MB in the beginning and 47.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:42,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 374.07 ms. Allocated memory is still 65.0 MB. Free memory was 43.2 MB in the beginning and 43.3 MB in the end (delta: -72.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.70 ms. Allocated memory is still 65.0 MB. Free memory was 43.1 MB in the beginning and 39.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.73 ms. Allocated memory is still 65.0 MB. Free memory was 39.8 MB in the beginning and 36.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 26496.94 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 36.3 MB in the beginning and 57.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 422.54 ms. Allocated memory is still 79.7 MB. Free memory was 57.3 MB in the beginning and 47.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 07:53:42,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1487f21-c315-4004-b6db-cd0b999752cd/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...