./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/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_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/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_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/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 351a41b333a03034af243bf6ecb848a7608d7ac0 ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/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_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/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_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/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 351a41b333a03034af243bf6ecb848a7608d7ac0 ....................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:07:05,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:07:05,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:07:05,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:07:05,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:07:05,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:07:05,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:07:05,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:07:05,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:07:05,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:07:05,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:07:05,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:07:05,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:07:05,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:07:05,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:07:05,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:07:05,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:07:05,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:07:05,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:07:05,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:07:05,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:07:05,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:07:05,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:07:05,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:07:05,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:07:05,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:07:05,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:07:05,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:07:05,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:07:05,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:07:05,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:07:05,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:07:05,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:07:05,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:07:05,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:07:05,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:07:05,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:07:05,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:07:05,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:07:05,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:07:05,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:07:05,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:07:05,495 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:07:05,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:07:05,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:07:05,500 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:07:05,501 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:07:05,501 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:07:05,501 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:07:05,501 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:07:05,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:07:05,508 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:07:05,509 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:07:05,510 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:07:05,510 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:07:05,510 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:07:05,511 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:07:05,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:07:05,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:07:05,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:07:05,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:07:05,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:07:05,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:07:05,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:07:05,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:07:05,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:07:05,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:07:05,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:07:05,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:07:05,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:07:05,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:07:05,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:07:05,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:07:05,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:07:05,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:07:05,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:07:05,517 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:07:05,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:07:05,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:07:05,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:07:05,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:07:05,519 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_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 351a41b333a03034af243bf6ecb848a7608d7ac0 [2021-10-13 08:07:05,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:07:05,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:07:05,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:07:05,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:07:05,899 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:07:05,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2021-10-13 08:07:05,974 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/data/cd552d58d/8626f2c8fcb24c8e89fb1e65b84b0913/FLAG047b3f968 [2021-10-13 08:07:06,501 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:07:06,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2021-10-13 08:07:06,519 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/data/cd552d58d/8626f2c8fcb24c8e89fb1e65b84b0913/FLAG047b3f968 [2021-10-13 08:07:06,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/data/cd552d58d/8626f2c8fcb24c8e89fb1e65b84b0913 [2021-10-13 08:07:06,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:07:06,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:07:06,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:07:06,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:07:06,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:07:06,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:07:06" (1/1) ... [2021-10-13 08:07:06,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6024e0b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:06, skipping insertion in model container [2021-10-13 08:07:06,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:07:06" (1/1) ... [2021-10-13 08:07:06,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:07:06,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:07:07,104 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_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c[6214,6227] [2021-10-13 08:07:07,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:07:07,116 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:07:07,175 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_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c[6214,6227] [2021-10-13 08:07:07,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:07:07,193 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:07:07,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:07 WrapperNode [2021-10-13 08:07:07,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:07:07,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:07:07,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:07:07,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:07:07,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:07" (1/1) ... [2021-10-13 08:07:07,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:07" (1/1) ... [2021-10-13 08:07:07,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:07:07,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:07:07,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:07:07,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:07:07,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:07" (1/1) ... [2021-10-13 08:07:07,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:07" (1/1) ... [2021-10-13 08:07:07,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:07" (1/1) ... [2021-10-13 08:07:07,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:07" (1/1) ... [2021-10-13 08:07:07,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:07" (1/1) ... [2021-10-13 08:07:07,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:07" (1/1) ... [2021-10-13 08:07:07,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:07" (1/1) ... [2021-10-13 08:07:07,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:07:07,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:07:07,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:07:07,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:07:07,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:07" (1/1) ... [2021-10-13 08:07:07,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:07:07,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:07:07,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:07:07,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:07:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 08:07:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:07:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 08:07:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 08:07:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 08:07:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:07:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:07:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 08:07:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 08:07:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 08:07:08,621 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:07:08,621 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 08:07:08,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:08 BoogieIcfgContainer [2021-10-13 08:07:08,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:07:08,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:07:08,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:07:08,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:07:08,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:07:06" (1/3) ... [2021-10-13 08:07:08,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a46f941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:07:08, skipping insertion in model container [2021-10-13 08:07:08,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:07" (2/3) ... [2021-10-13 08:07:08,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a46f941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:07:08, skipping insertion in model container [2021-10-13 08:07:08,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:08" (3/3) ... [2021-10-13 08:07:08,642 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660a.c [2021-10-13 08:07:08,648 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:07:08,649 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 08:07:08,712 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:07:08,719 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 08:07:08,719 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 08:07:08,738 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) [2021-10-13 08:07:08,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 08:07:08,744 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:07:08,745 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:07:08,745 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:07:08,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:07:08,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1882889100, now seen corresponding path program 1 times [2021-10-13 08:07:08,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:07:08,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892977676] [2021-10-13 08:07:08,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:07:08,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:07:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:07:08,936 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 08:07:08,937 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:07:08,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892977676] [2021-10-13 08:07:08,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892977676] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:07:08,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:07:08,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 08:07:08,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449927406] [2021-10-13 08:07:08,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 08:07:08,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:07:08,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 08:07:08,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:07:08,963 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) [2021-10-13 08:07:09,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:07:09,007 INFO L93 Difference]: Finished difference Result 166 states and 283 transitions. [2021-10-13 08:07:09,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 08:07:09,009 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 08:07:09,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:07:09,024 INFO L225 Difference]: With dead ends: 166 [2021-10-13 08:07:09,024 INFO L226 Difference]: Without dead ends: 81 [2021-10-13 08:07:09,029 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 08:07:09,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-10-13 08:07:09,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-10-13 08:07:09,067 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) [2021-10-13 08:07:09,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 110 transitions. [2021-10-13 08:07:09,071 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 110 transitions. Word has length 10 [2021-10-13 08:07:09,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:07:09,071 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 110 transitions. [2021-10-13 08:07:09,072 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 08:07:09,072 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2021-10-13 08:07:09,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 08:07:09,073 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:07:09,073 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:07:09,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 08:07:09,073 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:07:09,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:07:09,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1485570307, now seen corresponding path program 1 times [2021-10-13 08:07:09,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:07:09,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437765848] [2021-10-13 08:07:09,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:07:09,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:07:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 08:07:09,163 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 08:07:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 08:07:09,342 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 08:07:09,342 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 08:07:09,344 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:07:09,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 08:07:09,354 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:07:09,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:07:09 BoogieIcfgContainer [2021-10-13 08:07:09,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:07:09,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:07:09,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:07:09,417 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:07:09,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:08" (3/4) ... [2021-10-13 08:07:09,421 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 08:07:09,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:07:09,423 INFO L168 Benchmark]: Toolchain (without parser) took 2570.29 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 76.9 MB in the beginning and 107.5 MB in the end (delta: -30.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:09,424 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 54.9 MB in the beginning and 54.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:07:09,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.66 ms. Allocated memory is still 100.7 MB. Free memory was 76.7 MB in the beginning and 62.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:09,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.22 ms. Allocated memory is still 100.7 MB. Free memory was 62.4 MB in the beginning and 59.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:09,426 INFO L168 Benchmark]: Boogie Preprocessor took 64.64 ms. Allocated memory is still 100.7 MB. Free memory was 59.1 MB in the beginning and 56.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:09,427 INFO L168 Benchmark]: RCFGBuilder took 1267.15 ms. Allocated memory is still 100.7 MB. Free memory was 55.8 MB in the beginning and 71.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:09,428 INFO L168 Benchmark]: TraceAbstraction took 790.24 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 71.0 MB in the beginning and 108.2 MB in the end (delta: -37.3 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:09,429 INFO L168 Benchmark]: Witness Printer took 4.74 ms. Allocated memory is still 142.6 MB. Free memory was 108.2 MB in the beginning and 107.5 MB in the end (delta: 708.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:09,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 54.9 MB in the beginning and 54.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 340.66 ms. Allocated memory is still 100.7 MB. Free memory was 76.7 MB in the beginning and 62.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.22 ms. Allocated memory is still 100.7 MB. Free memory was 62.4 MB in the beginning and 59.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.64 ms. Allocated memory is still 100.7 MB. Free memory was 59.1 MB in the beginning and 56.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1267.15 ms. Allocated memory is still 100.7 MB. Free memory was 55.8 MB in the beginning and 71.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 790.24 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 71.0 MB in the beginning and 108.2 MB in the end (delta: -37.3 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.74 ms. Allocated memory is still 142.6 MB. Free memory was 108.2 MB in the beginning and 107.5 MB in the end (delta: 708.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 261]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 260. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L252] double x = __VERIFIER_nondet_double(); [L253] double y = -0.0; VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L255] COND TRUE x < 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != -pi VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L261] reach_error() VAL [aT_atan={5:0}, atanhi_atan={10:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 642.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 9.3ms, AutomataDifference: 81.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.7ms, 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: 26.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.9ms SsaConstructionTime, 121.6ms SatisfiabilityAnalysisTime, 62.6ms 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 08:07:09,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/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 08:07:12,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:07:12,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:07:12,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:07:12,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:07:12,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:07:12,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:07:12,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:07:12,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:07:12,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:07:12,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:07:12,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:07:12,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:07:12,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:07:12,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:07:12,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:07:12,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:07:12,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:07:12,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:07:12,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:07:12,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:07:12,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:07:12,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:07:12,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:07:12,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:07:12,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:07:12,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:07:12,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:07:12,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:07:12,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:07:12,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:07:12,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:07:12,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:07:12,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:07:12,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:07:12,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:07:12,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:07:12,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:07:12,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:07:12,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:07:12,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:07:12,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 08:07:12,259 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:07:12,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:07:12,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:07:12,260 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:07:12,261 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:07:12,261 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:07:12,261 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:07:12,261 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:07:12,262 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:07:12,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:07:12,263 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:07:12,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:07:12,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:07:12,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:07:12,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:07:12,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:07:12,265 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:07:12,265 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:07:12,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:07:12,265 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:07:12,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:07:12,266 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:07:12,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:07:12,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:07:12,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:07:12,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:07:12,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:07:12,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:07:12,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:07:12,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:07:12,269 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:07:12,269 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:07:12,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:07:12,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:07:12,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:07:12,270 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_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 351a41b333a03034af243bf6ecb848a7608d7ac0 [2021-10-13 08:07:12,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:07:12,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:07:12,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:07:12,687 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:07:12,688 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:07:12,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2021-10-13 08:07:12,787 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/data/831754da1/d207c857eaa1428aa902aca8e36a9c95/FLAGa49c906fe [2021-10-13 08:07:13,422 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:07:13,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2021-10-13 08:07:13,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/data/831754da1/d207c857eaa1428aa902aca8e36a9c95/FLAGa49c906fe [2021-10-13 08:07:13,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/data/831754da1/d207c857eaa1428aa902aca8e36a9c95 [2021-10-13 08:07:13,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:07:13,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:07:13,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:07:13,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:07:13,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:07:13,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:07:13" (1/1) ... [2021-10-13 08:07:13,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309d4e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:13, skipping insertion in model container [2021-10-13 08:07:13,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:07:13" (1/1) ... [2021-10-13 08:07:13,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:07:13,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:07:14,137 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_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c[6214,6227] [2021-10-13 08:07:14,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:07:14,173 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:07:14,256 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_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c[6214,6227] [2021-10-13 08:07:14,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:07:14,279 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:07:14,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:14 WrapperNode [2021-10-13 08:07:14,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:07:14,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:07:14,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:07:14,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:07:14,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:14" (1/1) ... [2021-10-13 08:07:14,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:14" (1/1) ... [2021-10-13 08:07:14,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:07:14,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:07:14,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:07:14,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:07:14,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:14" (1/1) ... [2021-10-13 08:07:14,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:14" (1/1) ... [2021-10-13 08:07:14,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:14" (1/1) ... [2021-10-13 08:07:14,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:14" (1/1) ... [2021-10-13 08:07:14,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:14" (1/1) ... [2021-10-13 08:07:14,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:14" (1/1) ... [2021-10-13 08:07:14,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:14" (1/1) ... [2021-10-13 08:07:14,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:07:14,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:07:14,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:07:14,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:07:14,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:14" (1/1) ... [2021-10-13 08:07:14,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:07:14,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:07:14,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:07:14,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:07:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-13 08:07:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-13 08:07:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 08:07:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:07:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-13 08:07:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 08:07:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:07:14,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:07:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 08:07:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 08:07:52,698 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:07:52,699 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 08:07:52,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:52 BoogieIcfgContainer [2021-10-13 08:07:52,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:07:52,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:07:52,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:07:52,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:07:52,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:07:13" (1/3) ... [2021-10-13 08:07:52,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a434035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:07:52, skipping insertion in model container [2021-10-13 08:07:52,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:14" (2/3) ... [2021-10-13 08:07:52,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a434035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:07:52, skipping insertion in model container [2021-10-13 08:07:52,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:52" (3/3) ... [2021-10-13 08:07:52,711 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660a.c [2021-10-13 08:07:52,717 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:07:52,718 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 08:07:52,769 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:07:52,776 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 08:07:52,776 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 08:07:52,794 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) [2021-10-13 08:07:52,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 08:07:52,800 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:07:52,800 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:07:52,801 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:07:52,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:07:52,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2021-10-13 08:07:52,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:07:52,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422747654] [2021-10-13 08:07:52,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:07:52,822 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:07:52,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:07:52,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:07:52,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 08:07:52,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 08:07:53,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:07:53,114 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 08:07:53,118 INFO L168 Benchmark]: Toolchain (without parser) took 39340.86 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 40.4 MB in the beginning and 35.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:53,119 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:07:53,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.28 ms. Allocated memory is still 60.8 MB. Free memory was 40.1 MB in the beginning and 39.8 MB in the end (delta: 306.3 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:53,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.93 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 36.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:53,121 INFO L168 Benchmark]: Boogie Preprocessor took 122.18 ms. Allocated memory is still 60.8 MB. Free memory was 36.2 MB in the beginning and 32.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:53,122 INFO L168 Benchmark]: RCFGBuilder took 38156.20 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 32.6 MB in the beginning and 46.2 MB in the end (delta: -13.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:53,123 INFO L168 Benchmark]: TraceAbstraction took 412.92 ms. Allocated memory is still 75.5 MB. Free memory was 45.8 MB in the beginning and 35.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:07:53,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 506.28 ms. Allocated memory is still 60.8 MB. Free memory was 40.1 MB in the beginning and 39.8 MB in the end (delta: 306.3 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 133.93 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 36.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 122.18 ms. Allocated memory is still 60.8 MB. Free memory was 36.2 MB in the beginning and 32.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 38156.20 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 32.6 MB in the beginning and 46.2 MB in the end (delta: -13.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 412.92 ms. Allocated memory is still 75.5 MB. Free memory was 45.8 MB in the beginning and 35.6 MB in the end (delta: 10.2 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 08:07:53,347 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-13 08:07:53,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0313f6a-4e07-4edc-bd7b-98c03b8f8c05/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...