./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0220b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0220b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P --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 9b72ffef78e797287b5bc98eb96d44304e95eeea6df503cfbba3a5fc6983ef3a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:32:30,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:32:30,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:32:30,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:32:30,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:32:30,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:32:30,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:32:30,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:32:30,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:32:30,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:32:30,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:32:30,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:32:30,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:32:30,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:32:30,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:32:30,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:32:30,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:32:30,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:32:30,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:32:30,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:32:30,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:32:30,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:32:30,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:32:30,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:32:30,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:32:30,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:32:30,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:32:30,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:32:30,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:32:30,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:32:30,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:32:30,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:32:30,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:32:30,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:32:30,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:32:30,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:32:30,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:32:30,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:32:30,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:32:30,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:32:30,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:32:30,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:32:30,425 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:32:30,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:32:30,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:32:30,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:32:30,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:32:30,434 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:32:30,434 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:32:30,434 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:32:30,434 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:32:30,435 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:32:30,436 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:32:30,436 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:32:30,436 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:32:30,437 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:32:30,437 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:32:30,437 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:32:30,437 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:32:30,438 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:32:30,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:32:30,439 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:32:30,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:32:30,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:32:30,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:32:30,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:32:30,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:32:30,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:32:30,442 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:32:30,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:32:30,443 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:32:30,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:32:30,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:32:30,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:32:30,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:30,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:32:30,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:32:30,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:32:30,445 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:32:30,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:32:30,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:32:30,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:32:30,446 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:32:30,446 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_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b72ffef78e797287b5bc98eb96d44304e95eeea6df503cfbba3a5fc6983ef3a [2021-11-20 23:32:30,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:32:30,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:32:30,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:32:30,755 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:32:30,756 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:32:30,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/double_req_bl_0220b.c [2021-11-20 23:32:30,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/data/3bcf3179e/9fd0345f376049f88f67c264f1563a09/FLAG6b426602a [2021-11-20 23:32:31,405 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:32:31,406 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/sv-benchmarks/c/float-newlib/double_req_bl_0220b.c [2021-11-20 23:32:31,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/data/3bcf3179e/9fd0345f376049f88f67c264f1563a09/FLAG6b426602a [2021-11-20 23:32:31,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/data/3bcf3179e/9fd0345f376049f88f67c264f1563a09 [2021-11-20 23:32:31,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:32:31,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:32:31,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:31,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:32:31,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:32:31,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:31" (1/1) ... [2021-11-20 23:32:31,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4571a413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:31, skipping insertion in model container [2021-11-20 23:32:31,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:31" (1/1) ... [2021-11-20 23:32:31,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:32:31,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:32:32,167 WARN L230 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_abb89706-ee39-495d-b7c9-d91f9986ff3b/sv-benchmarks/c/float-newlib/double_req_bl_0220b.c[16494,16507] [2021-11-20 23:32:32,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:32,187 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:32:32,352 WARN L230 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_abb89706-ee39-495d-b7c9-d91f9986ff3b/sv-benchmarks/c/float-newlib/double_req_bl_0220b.c[16494,16507] [2021-11-20 23:32:32,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:32,386 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:32:32,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32 WrapperNode [2021-11-20 23:32:32,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:32,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:32,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:32:32,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:32:32,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:32,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:32,525 INFO L137 Inliner]: procedures = 25, calls = 379, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1053 [2021-11-20 23:32:32,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:32,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:32:32,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:32:32,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:32:32,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:32,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:32,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:32,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:32,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:32,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:32,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:32,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:32:32,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:32:32,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:32:32,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:32:32,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:32,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:32,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:32,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:32:32,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:32:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:32:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-20 23:32:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-20 23:32:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-11-20 23:32:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-11-20 23:32:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:32:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 23:32:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:32:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 23:32:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:32:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 23:32:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-11-20 23:32:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-11-20 23:32:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-20 23:32:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-20 23:32:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:32:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:32:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:32:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:32:33,038 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:32:33,040 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:32:34,066 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:32:34,292 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:32:34,292 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-20 23:32:34,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:34 BoogieIcfgContainer [2021-11-20 23:32:34,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:32:34,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:32:34,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:32:34,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:32:34,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:32:31" (1/3) ... [2021-11-20 23:32:34,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5994b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:34, skipping insertion in model container [2021-11-20 23:32:34,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32" (2/3) ... [2021-11-20 23:32:34,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5994b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:34, skipping insertion in model container [2021-11-20 23:32:34,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:34" (3/3) ... [2021-11-20 23:32:34,305 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0220b.c [2021-11-20 23:32:34,313 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:32:34,313 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:32:34,367 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:32:34,374 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, mAutomataTypeConcurrency=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 [2021-11-20 23:32:34,374 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:32:34,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 160 states have (on average 1.69375) internal successors, (271), 161 states have internal predecessors, (271), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 23:32:34,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 23:32:34,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:34,419 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:34,419 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:34,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:34,425 INFO L85 PathProgramCache]: Analyzing trace with hash -450420283, now seen corresponding path program 1 times [2021-11-20 23:32:34,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:34,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323960328] [2021-11-20 23:32:34,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:34,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:34,655 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:34,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323960328] [2021-11-20 23:32:34,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323960328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:34,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:34,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:32:34,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613885858] [2021-11-20 23:32:34,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:34,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:32:34,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:34,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:32:34,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:32:34,700 INFO L87 Difference]: Start difference. First operand has 178 states, 160 states have (on average 1.69375) internal successors, (271), 161 states have internal predecessors, (271), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:34,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:34,876 INFO L93 Difference]: Finished difference Result 355 states and 601 transitions. [2021-11-20 23:32:34,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:32:34,879 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-20 23:32:34,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:34,889 INFO L225 Difference]: With dead ends: 355 [2021-11-20 23:32:34,889 INFO L226 Difference]: Without dead ends: 176 [2021-11-20 23:32:34,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:32:34,899 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:34,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:32:34,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-11-20 23:32:34,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2021-11-20 23:32:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 159 states have (on average 1.389937106918239) internal successors, (221), 159 states have internal predecessors, (221), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 23:32:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 245 transitions. [2021-11-20 23:32:34,955 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 245 transitions. Word has length 9 [2021-11-20 23:32:34,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:34,955 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 245 transitions. [2021-11-20 23:32:34,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 245 transitions. [2021-11-20 23:32:34,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:32:34,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:34,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:34,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:32:34,957 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:34,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:34,958 INFO L85 PathProgramCache]: Analyzing trace with hash 142076331, now seen corresponding path program 1 times [2021-11-20 23:32:34,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:34,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018177526] [2021-11-20 23:32:34,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:34,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:32:35,048 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 23:32:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:32:35,182 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-20 23:32:35,182 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 23:32:35,184 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:32:35,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:32:35,189 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 23:32:35,192 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:32:35,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:32:35 BoogieIcfgContainer [2021-11-20 23:32:35,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:32:35,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:32:35,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:32:35,248 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:32:35,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:34" (3/4) ... [2021-11-20 23:32:35,251 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 23:32:35,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:32:35,253 INFO L158 Benchmark]: Toolchain (without parser) took 3522.46ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 69.8MB in the beginning and 58.2MB in the end (delta: 11.6MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2021-11-20 23:32:35,253 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 104.9MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:32:35,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 655.60ms. Allocated memory is still 104.9MB. Free memory was 69.6MB in the beginning and 64.1MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:32:35,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.15ms. Allocated memory is still 104.9MB. Free memory was 64.1MB in the beginning and 57.9MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:32:35,256 INFO L158 Benchmark]: Boogie Preprocessor took 176.11ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 57.9MB in the beginning and 111.1MB in the end (delta: -53.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-20 23:32:35,256 INFO L158 Benchmark]: RCFGBuilder took 1591.18ms. Allocated memory is still 138.4MB. Free memory was 111.0MB in the beginning and 62.5MB in the end (delta: 48.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2021-11-20 23:32:35,257 INFO L158 Benchmark]: TraceAbstraction took 950.04ms. Allocated memory is still 138.4MB. Free memory was 61.7MB in the beginning and 58.2MB in the end (delta: 3.5MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-20 23:32:35,257 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 138.4MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:32:35,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 104.9MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 655.60ms. Allocated memory is still 104.9MB. Free memory was 69.6MB in the beginning and 64.1MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.15ms. Allocated memory is still 104.9MB. Free memory was 64.1MB in the beginning and 57.9MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.11ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 57.9MB in the beginning and 111.1MB in the end (delta: -53.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1591.18ms. Allocated memory is still 138.4MB. Free memory was 111.0MB in the beginning and 62.5MB in the end (delta: 48.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * TraceAbstraction took 950.04ms. Allocated memory is still 138.4MB. Free memory was 61.7MB in the beginning and 58.2MB in the end (delta: 3.5MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 138.4MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 655]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 542, overapproximation of bitwiseAnd at line 622, overapproximation of someBinaryArithmeticDOUBLEoperation at line 626, overapproximation of someBinaryDOUBLEComparisonOperation at line 654. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L119-L121] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L190] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L192-L197] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L199-L201] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L376-L387] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L389-L396] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L398-L407] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L540-L546] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L584-L590] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L650] double x = -0.0; [L651] CALL, EXPR sin_double(x) [L615] double y[2], z = 0.0; [L616] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L618] ieee_double_shape_type gh_u; [L619] gh_u.value = (x) [L620] EXPR gh_u.parts.msw [L620] (ix) = gh_u.parts.msw [L622] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L623] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L625] COND TRUE ix >= 0x7ff00000 [L626] return x - x; [L626] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, z=0, zero_krempio=0, zero_rempio=0] [L651] RET, EXPR sin_double(x) [L651] double res = sin_double(x); [L654] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, res == -0.0 && __signbit_double(res) == 1=0, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_krempio=0, zero_rempio=0] [L654] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L655] reach_error() VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 178 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 194 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 23:32:35,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0220b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P --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 9b72ffef78e797287b5bc98eb96d44304e95eeea6df503cfbba3a5fc6983ef3a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:32:37,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:32:37,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:32:37,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:32:37,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:32:37,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:32:37,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:32:37,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:32:37,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:32:37,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:32:37,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:32:37,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:32:37,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:32:37,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:32:37,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:32:37,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:32:37,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:32:37,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:32:37,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:32:37,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:32:37,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:32:37,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:32:37,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:32:37,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:32:37,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:32:37,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:32:37,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:32:37,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:32:37,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:32:37,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:32:37,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:32:37,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:32:37,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:32:37,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:32:37,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:32:37,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:32:37,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:32:37,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:32:37,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:32:37,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:32:37,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:32:37,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:32:37,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:32:37,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:32:37,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:32:37,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:32:37,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:32:37,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:32:37,951 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:32:37,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:32:37,952 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:32:37,952 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:32:37,953 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:32:37,953 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:32:37,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:32:37,955 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:32:37,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:32:37,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:32:37,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:32:37,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:32:37,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:32:37,956 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:32:37,957 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:32:37,957 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:32:37,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:32:37,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:32:37,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:32:37,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:32:37,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:32:37,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:32:37,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:37,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:32:37,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:32:37,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:32:37,960 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:32:37,960 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:32:37,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:32:37,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:32:37,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:32:37,961 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_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b72ffef78e797287b5bc98eb96d44304e95eeea6df503cfbba3a5fc6983ef3a [2021-11-20 23:32:38,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:32:38,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:32:38,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:32:38,338 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:32:38,338 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:32:38,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/double_req_bl_0220b.c [2021-11-20 23:32:38,406 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/data/3e5bcf26b/cddd5486aed445a09e7c8a30a9ee2a80/FLAG34f94120a [2021-11-20 23:32:39,023 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:32:39,023 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/sv-benchmarks/c/float-newlib/double_req_bl_0220b.c [2021-11-20 23:32:39,036 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/data/3e5bcf26b/cddd5486aed445a09e7c8a30a9ee2a80/FLAG34f94120a [2021-11-20 23:32:39,315 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/data/3e5bcf26b/cddd5486aed445a09e7c8a30a9ee2a80 [2021-11-20 23:32:39,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:32:39,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:32:39,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:39,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:32:39,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:32:39,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:39" (1/1) ... [2021-11-20 23:32:39,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed999e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:39, skipping insertion in model container [2021-11-20 23:32:39,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:39" (1/1) ... [2021-11-20 23:32:39,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:32:39,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:32:39,832 WARN L230 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_abb89706-ee39-495d-b7c9-d91f9986ff3b/sv-benchmarks/c/float-newlib/double_req_bl_0220b.c[16494,16507] [2021-11-20 23:32:39,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:39,867 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:32:40,027 WARN L230 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_abb89706-ee39-495d-b7c9-d91f9986ff3b/sv-benchmarks/c/float-newlib/double_req_bl_0220b.c[16494,16507] [2021-11-20 23:32:40,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:40,076 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:32:40,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40 WrapperNode [2021-11-20 23:32:40,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:40,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:40,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:32:40,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:32:40,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,195 INFO L137 Inliner]: procedures = 29, calls = 379, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1051 [2021-11-20 23:32:40,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:40,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:32:40,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:32:40,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:32:40,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:32:40,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:32:40,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:32:40,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:32:40,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:40,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:40,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:32:40,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:32:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:32:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-20 23:32:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-20 23:32:40,419 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-20 23:32:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-20 23:32:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 23:32:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 23:32:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-11-20 23:32:40,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-11-20 23:32:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:32:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-20 23:32:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 23:32:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-11-20 23:32:40,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-11-20 23:32:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-20 23:32:40,422 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-20 23:32:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:32:40,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:32:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 23:32:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:32:40,704 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:32:40,706 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:33:31,480 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:33:31,492 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:33:31,493 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-20 23:33:31,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:33:31 BoogieIcfgContainer [2021-11-20 23:33:31,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:33:31,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:33:31,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:33:31,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:33:31,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:32:39" (1/3) ... [2021-11-20 23:33:31,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87d9090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:33:31, skipping insertion in model container [2021-11-20 23:33:31,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (2/3) ... [2021-11-20 23:33:31,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87d9090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:33:31, skipping insertion in model container [2021-11-20 23:33:31,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:33:31" (3/3) ... [2021-11-20 23:33:31,505 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0220b.c [2021-11-20 23:33:31,512 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:33:31,512 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:33:31,568 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:33:31,576 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, mAutomataTypeConcurrency=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 [2021-11-20 23:33:31,576 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:33:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand has 261 states, 243 states have (on average 1.6707818930041152) internal successors, (406), 244 states have internal predecessors, (406), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 23:33:31,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:33:31,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:33:31,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:33:31,607 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:33:31,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:33:31,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1677729891, now seen corresponding path program 1 times [2021-11-20 23:33:31,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:33:31,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069953155] [2021-11-20 23:33:31,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:33:31,627 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:33:31,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:33:31,633 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:33:31,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 23:33:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:33:32,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 23:33:32,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:33:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:33:32,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:33:32,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:33:32,361 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:33:32,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069953155] [2021-11-20 23:33:32,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2069953155] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:33:32,362 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:33:32,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 23:33:32,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357438895] [2021-11-20 23:33:32,365 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:33:32,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:33:32,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:33:32,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:33:32,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:33:32,430 INFO L87 Difference]: Start difference. First operand has 261 states, 243 states have (on average 1.6707818930041152) internal successors, (406), 244 states have internal predecessors, (406), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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) [2021-11-20 23:33:32,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:33:32,522 INFO L93 Difference]: Finished difference Result 520 states and 870 transitions. [2021-11-20 23:33:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:33:32,530 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 [2021-11-20 23:33:32,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:33:32,550 INFO L225 Difference]: With dead ends: 520 [2021-11-20 23:33:32,552 INFO L226 Difference]: Without dead ends: 258 [2021-11-20 23:33:32,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:33:32,573 INFO L933 BasicCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:33:32,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:33:32,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-11-20 23:33:32,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2021-11-20 23:33:32,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 241 states have (on average 1.3983402489626555) internal successors, (337), 241 states have internal predecessors, (337), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 23:33:32,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 361 transitions. [2021-11-20 23:33:32,687 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 361 transitions. Word has length 10 [2021-11-20 23:33:32,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:33:32,688 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 361 transitions. [2021-11-20 23:33:32,688 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) [2021-11-20 23:33:32,688 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 361 transitions. [2021-11-20 23:33:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 23:33:32,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:33:32,689 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:33:32,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:33:32,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:33:32,890 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:33:32,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:33:32,891 INFO L85 PathProgramCache]: Analyzing trace with hash 750184147, now seen corresponding path program 1 times [2021-11-20 23:33:32,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:33:32,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213067215] [2021-11-20 23:33:32,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:33:32,893 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:33:32,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:33:32,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:33:32,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 23:33:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:33:33,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:33:33,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:33:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:33:34,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:33:34,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:33:34,792 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:33:34,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213067215] [2021-11-20 23:33:34,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [213067215] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:33:34,793 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:33:34,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 23:33:34,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536322105] [2021-11-20 23:33:34,794 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:33:34,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:33:34,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:33:34,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:33:34,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:33:34,796 INFO L87 Difference]: Start difference. First operand 258 states and 361 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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) [2021-11-20 23:33:34,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:33:34,982 INFO L93 Difference]: Finished difference Result 277 states and 382 transitions. [2021-11-20 23:33:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:33:34,982 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 11 [2021-11-20 23:33:34,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:33:34,983 INFO L225 Difference]: With dead ends: 277 [2021-11-20 23:33:34,983 INFO L226 Difference]: Without dead ends: 27 [2021-11-20 23:33:34,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-20 23:33:34,987 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:33:34,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 153 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 4 Unchecked, 0.1s Time] [2021-11-20 23:33:34,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-20 23:33:34,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-20 23:33:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:33:34,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-11-20 23:33:34,994 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 11 [2021-11-20 23:33:34,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:33:34,995 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-11-20 23:33:34,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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) [2021-11-20 23:33:34,996 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-20 23:33:34,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 23:33:34,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:33:34,998 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:33:35,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:33:35,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:33:35,211 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:33:35,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:33:35,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1420923203, now seen corresponding path program 1 times [2021-11-20 23:33:35,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:33:35,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973963840] [2021-11-20 23:33:35,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:33:35,213 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:33:35,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:33:35,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:33:35,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 23:33:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:33:35,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 23:33:35,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:33:36,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:33:36,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:33:39,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:33:39,026 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:33:39,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973963840] [2021-11-20 23:33:39,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [973963840] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:33:39,027 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:33:39,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 23:33:39,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367672558] [2021-11-20 23:33:39,027 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:33:39,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 23:33:39,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:33:39,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 23:33:39,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-20 23:33:39,030 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:33:43,404 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:33:45,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:33:47,892 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:33:49,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:33:52,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:33:54,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:33:56,420 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:33:57,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:33:57,711 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2021-11-20 23:33:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 23:33:57,712 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2021-11-20 23:33:57,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:33:57,713 INFO L225 Difference]: With dead ends: 43 [2021-11-20 23:33:57,713 INFO L226 Difference]: Without dead ends: 40 [2021-11-20 23:33:57,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-20 23:33:57,715 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 51 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 6 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:33:57,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 162 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 68 Invalid, 7 Unknown, 0 Unchecked, 16.8s Time] [2021-11-20 23:33:57,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-20 23:33:57,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2021-11-20 23:33:57,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:33:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2021-11-20 23:33:57,722 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 20 [2021-11-20 23:33:57,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:33:57,723 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2021-11-20 23:33:57,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:33:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2021-11-20 23:33:57,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-20 23:33:57,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:33:57,725 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:33:57,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-20 23:33:57,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:33:57,931 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:33:57,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:33:57,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1628843070, now seen corresponding path program 1 times [2021-11-20 23:33:57,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:33:57,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [466830181] [2021-11-20 23:33:57,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:33:57,934 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:33:57,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:33:57,940 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:33:57,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 23:34:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:34:00,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 23:34:00,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:34:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:01,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:34:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:04,651 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:34:04,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [466830181] [2021-11-20 23:34:04,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [466830181] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:34:04,652 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:34:04,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 23:34:04,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118202348] [2021-11-20 23:34:04,653 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:34:04,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 23:34:04,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:34:04,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 23:34:04,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 23:34:04,655 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:34:07,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:34:10,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:34:12,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:34:12,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:34:12,499 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2021-11-20 23:34:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 23:34:12,666 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2021-11-20 23:34:12,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:34:12,667 INFO L225 Difference]: With dead ends: 46 [2021-11-20 23:34:12,667 INFO L226 Difference]: Without dead ends: 32 [2021-11-20 23:34:12,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:34:12,669 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 21 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:34:12,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 156 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 3 Unknown, 26 Unchecked, 7.7s Time] [2021-11-20 23:34:12,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-20 23:34:12,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-20 23:34:12,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:34:12,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2021-11-20 23:34:12,677 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 21 [2021-11-20 23:34:12,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:34:12,677 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2021-11-20 23:34:12,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:34:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-11-20 23:34:12,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 23:34:12,679 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:34:12,679 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:34:12,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:34:12,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:34:12,880 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:34:12,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:34:12,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1175975143, now seen corresponding path program 1 times [2021-11-20 23:34:12,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:34:12,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300569401] [2021-11-20 23:34:12,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:34:12,882 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:34:12,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:34:12,883 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:34:12,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 23:34:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:34:15,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 23:34:15,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:34:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:16,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:34:28,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:28,203 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:34:28,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300569401] [2021-11-20 23:34:28,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300569401] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:34:28,204 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:34:28,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 23:34:28,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479436373] [2021-11-20 23:34:28,205 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:34:28,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 23:34:28,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:34:28,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 23:34:28,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:34:28,207 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:34:33,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:34:35,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:34:37,912 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:34:40,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:34:40,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:34:40,448 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2021-11-20 23:34:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:34:40,625 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2021-11-20 23:34:40,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:34:40,625 INFO L225 Difference]: With dead ends: 39 [2021-11-20 23:34:40,626 INFO L226 Difference]: Without dead ends: 25 [2021-11-20 23:34:40,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:34:40,627 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 28 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:34:40,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 52 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 10.4s Time] [2021-11-20 23:34:40,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-20 23:34:40,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-20 23:34:40,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.0) internal successors, (22), 22 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:34:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2021-11-20 23:34:40,631 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 22 [2021-11-20 23:34:40,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:34:40,631 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2021-11-20 23:34:40,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:34:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2021-11-20 23:34:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 23:34:40,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:34:40,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:34:40,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 23:34:40,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:34:40,834 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:34:40,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:34:40,834 INFO L85 PathProgramCache]: Analyzing trace with hash -846223854, now seen corresponding path program 1 times [2021-11-20 23:34:40,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:34:40,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772790808] [2021-11-20 23:34:40,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:34:40,835 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:34:40,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:34:40,836 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:34:40,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 23:34:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:34:41,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-20 23:34:41,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:34:43,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:43,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:34:49,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:49,950 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:34:49,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772790808] [2021-11-20 23:34:49,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772790808] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:34:49,951 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:34:49,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 20 [2021-11-20 23:34:49,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302030814] [2021-11-20 23:34:49,952 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:34:49,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 23:34:49,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:34:49,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 23:34:49,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-11-20 23:34:49,953 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand has 20 states, 20 states have (on average 2.0) internal successors, (40), 18 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:34:52,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:34:52,148 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2021-11-20 23:34:52,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 23:34:52,149 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.0) internal successors, (40), 18 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2021-11-20 23:34:52,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:34:52,149 INFO L225 Difference]: With dead ends: 25 [2021-11-20 23:34:52,150 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 23:34:52,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2021-11-20 23:34:52,151 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 22 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 56 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:34:52,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 131 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 56 Unchecked, 0.8s Time] [2021-11-20 23:34:52,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 23:34:52,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 23:34:52,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-20 23:34:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 23:34:52,153 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-20 23:34:52,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:34:52,154 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 23:34:52,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.0) internal successors, (40), 18 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:34:52,154 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 23:34:52,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 23:34:52,157 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:34:52,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 23:34:52,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:34:52,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 23:34:53,784 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 164) no Hoare annotation was computed. [2021-11-20 23:34:53,784 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 151 156) no Hoare annotation was computed. [2021-11-20 23:34:53,785 INFO L861 garLoopResultBuilder]: At program point L151-2(lines 151 156) the Hoare annotation is: true [2021-11-20 23:34:53,785 INFO L858 garLoopResultBuilder]: For program point L151-3(lines 151 156) no Hoare annotation was computed. [2021-11-20 23:34:53,785 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 123 173) no Hoare annotation was computed. [2021-11-20 23:34:53,785 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 163) no Hoare annotation was computed. [2021-11-20 23:34:53,785 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 149) no Hoare annotation was computed. [2021-11-20 23:34:53,786 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 123 173) no Hoare annotation was computed. [2021-11-20 23:34:53,786 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2021-11-20 23:34:53,786 INFO L861 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: true [2021-11-20 23:34:53,787 INFO L858 garLoopResultBuilder]: For program point L136-3(lines 136 140) no Hoare annotation was computed. [2021-11-20 23:34:53,787 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 144) no Hoare annotation was computed. [2021-11-20 23:34:53,787 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 123 173) the Hoare annotation is: true [2021-11-20 23:34:53,787 INFO L858 garLoopResultBuilder]: For program point L132-2(lines 123 173) no Hoare annotation was computed. [2021-11-20 23:34:53,788 INFO L861 garLoopResultBuilder]: At program point L161(line 161) the Hoare annotation is: true [2021-11-20 23:34:53,788 INFO L858 garLoopResultBuilder]: For program point L161-1(line 161) no Hoare annotation was computed. [2021-11-20 23:34:53,788 INFO L861 garLoopResultBuilder]: At program point L149(line 149) the Hoare annotation is: true [2021-11-20 23:34:53,788 INFO L858 garLoopResultBuilder]: For program point L149-1(line 149) no Hoare annotation was computed. [2021-11-20 23:34:53,788 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 134) no Hoare annotation was computed. [2021-11-20 23:34:53,789 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 166 171) no Hoare annotation was computed. [2021-11-20 23:34:53,789 INFO L861 garLoopResultBuilder]: At program point L166-2(lines 166 171) the Hoare annotation is: true [2021-11-20 23:34:53,789 INFO L858 garLoopResultBuilder]: For program point L166-3(lines 166 171) no Hoare annotation was computed. [2021-11-20 23:34:53,789 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2021-11-20 23:34:53,789 INFO L861 garLoopResultBuilder]: At program point L125-2(lines 125 130) the Hoare annotation is: true [2021-11-20 23:34:53,790 INFO L858 garLoopResultBuilder]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2021-11-20 23:34:53,790 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 158) no Hoare annotation was computed. [2021-11-20 23:34:53,790 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 143) no Hoare annotation was computed. [2021-11-20 23:34:53,790 INFO L861 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: true [2021-11-20 23:34:53,790 INFO L858 garLoopResultBuilder]: For program point L163-1(line 163) no Hoare annotation was computed. [2021-11-20 23:34:53,791 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 98 117) no Hoare annotation was computed. [2021-11-20 23:34:53,791 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 115) no Hoare annotation was computed. [2021-11-20 23:34:53,791 INFO L858 garLoopResultBuilder]: For program point L110-1(lines 98 117) no Hoare annotation was computed. [2021-11-20 23:34:53,791 INFO L858 garLoopResultBuilder]: For program point L110-2(lines 110 115) no Hoare annotation was computed. [2021-11-20 23:34:53,792 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 98 117) no Hoare annotation was computed. [2021-11-20 23:34:53,792 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 98 117) the Hoare annotation is: true [2021-11-20 23:34:53,792 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 100 104) no Hoare annotation was computed. [2021-11-20 23:34:53,792 INFO L861 garLoopResultBuilder]: At program point L100-2(lines 100 104) the Hoare annotation is: true [2021-11-20 23:34:53,792 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-11-20 23:34:53,793 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 98 117) no Hoare annotation was computed. [2021-11-20 23:34:53,793 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 577) no Hoare annotation was computed. [2021-11-20 23:34:53,793 INFO L858 garLoopResultBuilder]: For program point __kernel_cosFINAL(lines 548 582) no Hoare annotation was computed. [2021-11-20 23:34:53,793 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 559) no Hoare annotation was computed. [2021-11-20 23:34:53,793 INFO L858 garLoopResultBuilder]: For program point __kernel_cosEXIT(lines 548 582) no Hoare annotation was computed. [2021-11-20 23:34:53,794 INFO L861 garLoopResultBuilder]: At program point __kernel_cosENTRY(lines 548 582) the Hoare annotation is: true [2021-11-20 23:34:53,794 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 571 576) no Hoare annotation was computed. [2021-11-20 23:34:53,794 INFO L861 garLoopResultBuilder]: At program point L571-2(lines 571 576) the Hoare annotation is: true [2021-11-20 23:34:53,794 INFO L858 garLoopResultBuilder]: For program point L571-3(lines 568 577) no Hoare annotation was computed. [2021-11-20 23:34:53,794 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 581) no Hoare annotation was computed. [2021-11-20 23:34:53,795 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 560) no Hoare annotation was computed. [2021-11-20 23:34:53,795 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 560) no Hoare annotation was computed. [2021-11-20 23:34:53,795 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 551 555) no Hoare annotation was computed. [2021-11-20 23:34:53,795 INFO L861 garLoopResultBuilder]: At program point L551-2(lines 551 555) the Hoare annotation is: true [2021-11-20 23:34:53,795 INFO L858 garLoopResultBuilder]: For program point L551-3(lines 551 555) no Hoare annotation was computed. [2021-11-20 23:34:53,796 INFO L858 garLoopResultBuilder]: For program point L630(line 630) no Hoare annotation was computed. [2021-11-20 23:34:53,796 INFO L858 garLoopResultBuilder]: For program point L333(line 333) no Hoare annotation was computed. [2021-11-20 23:34:53,796 INFO L858 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2021-11-20 23:34:53,796 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 43) no Hoare annotation was computed. [2021-11-20 23:34:53,796 INFO L854 garLoopResultBuilder]: At program point L631(line 631) the Hoare annotation is: false [2021-11-20 23:34:53,796 INFO L858 garLoopResultBuilder]: For program point L631-1(line 631) no Hoare annotation was computed. [2021-11-20 23:34:53,796 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 536) no Hoare annotation was computed. [2021-11-20 23:34:53,796 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 71) no Hoare annotation was computed. [2021-11-20 23:34:53,796 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 42) no Hoare annotation was computed. [2021-11-20 23:34:53,796 INFO L858 garLoopResultBuilder]: For program point L70-2(lines 70 71) no Hoare annotation was computed. [2021-11-20 23:34:53,797 INFO L858 garLoopResultBuilder]: For program point L632(line 632) no Hoare annotation was computed. [2021-11-20 23:34:53,797 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 503) no Hoare annotation was computed. [2021-11-20 23:34:53,798 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 335 336) no Hoare annotation was computed. [2021-11-20 23:34:53,798 INFO L854 garLoopResultBuilder]: At program point L335-3(lines 335 336) the Hoare annotation is: false [2021-11-20 23:34:53,798 INFO L858 garLoopResultBuilder]: For program point L335-4(lines 332 372) no Hoare annotation was computed. [2021-11-20 23:34:53,798 INFO L854 garLoopResultBuilder]: At program point L633(line 633) the Hoare annotation is: false [2021-11-20 23:34:53,798 INFO L858 garLoopResultBuilder]: For program point L633-1(line 633) no Hoare annotation was computed. [2021-11-20 23:34:53,798 INFO L858 garLoopResultBuilder]: For program point L270(line 270) no Hoare annotation was computed. [2021-11-20 23:34:53,798 INFO L858 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2021-11-20 23:34:53,799 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 42) no Hoare annotation was computed. [2021-11-20 23:34:53,799 INFO L858 garLoopResultBuilder]: For program point L634(line 634) no Hoare annotation was computed. [2021-11-20 23:34:53,799 INFO L858 garLoopResultBuilder]: For program point L337-1(line 337) no Hoare annotation was computed. [2021-11-20 23:34:53,799 INFO L858 garLoopResultBuilder]: For program point L304-1(lines 304 307) no Hoare annotation was computed. [2021-11-20 23:34:53,799 INFO L854 garLoopResultBuilder]: At program point L304-3(lines 304 307) the Hoare annotation is: false [2021-11-20 23:34:53,799 INFO L854 garLoopResultBuilder]: At program point L635(line 635) the Hoare annotation is: false [2021-11-20 23:34:53,799 INFO L858 garLoopResultBuilder]: For program point L635-1(line 635) no Hoare annotation was computed. [2021-11-20 23:34:53,799 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 489) no Hoare annotation was computed. [2021-11-20 23:34:53,799 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 458 490) no Hoare annotation was computed. [2021-11-20 23:34:53,799 INFO L858 garLoopResultBuilder]: For program point L636(line 636) no Hoare annotation was computed. [2021-11-20 23:34:53,800 INFO L854 garLoopResultBuilder]: At program point L537(lines 409 538) the Hoare annotation is: false [2021-11-20 23:34:53,800 INFO L858 garLoopResultBuilder]: For program point L339(line 339) no Hoare annotation was computed. [2021-11-20 23:34:53,800 INFO L858 garLoopResultBuilder]: For program point L339-2(line 339) no Hoare annotation was computed. [2021-11-20 23:34:53,800 INFO L854 garLoopResultBuilder]: At program point L637(line 637) the Hoare annotation is: false [2021-11-20 23:34:53,800 INFO L858 garLoopResultBuilder]: For program point L637-1(line 637) no Hoare annotation was computed. [2021-11-20 23:34:53,800 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 505 509) no Hoare annotation was computed. [2021-11-20 23:34:53,800 INFO L854 garLoopResultBuilder]: At program point L505-2(lines 505 509) the Hoare annotation is: false [2021-11-20 23:34:53,800 INFO L854 garLoopResultBuilder]: At program point L373(lines 203 374) the Hoare annotation is: false [2021-11-20 23:34:53,800 INFO L858 garLoopResultBuilder]: For program point L340(line 340) no Hoare annotation was computed. [2021-11-20 23:34:53,800 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 250) no Hoare annotation was computed. [2021-11-20 23:34:53,801 INFO L858 garLoopResultBuilder]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2021-11-20 23:34:53,801 INFO L854 garLoopResultBuilder]: At program point L176-2(lines 176 180) the Hoare annotation is: false [2021-11-20 23:34:53,801 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 448) no Hoare annotation was computed. [2021-11-20 23:34:53,801 INFO L858 garLoopResultBuilder]: For program point L441-2(lines 441 448) no Hoare annotation was computed. [2021-11-20 23:34:53,801 INFO L854 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: false [2021-11-20 23:34:53,801 INFO L858 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2021-11-20 23:34:53,801 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 343) no Hoare annotation was computed. [2021-11-20 23:34:53,801 INFO L854 garLoopResultBuilder]: At program point L342-3(lines 342 343) the Hoare annotation is: false [2021-11-20 23:34:53,801 INFO L858 garLoopResultBuilder]: For program point L342-4(lines 332 372) no Hoare annotation was computed. [2021-11-20 23:34:53,801 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 83) no Hoare annotation was computed. [2021-11-20 23:34:53,801 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 24 85) no Hoare annotation was computed. [2021-11-20 23:34:53,802 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 78 83) no Hoare annotation was computed. [2021-11-20 23:34:53,802 INFO L858 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2021-11-20 23:34:53,802 INFO L858 garLoopResultBuilder]: For program point L277(lines 277 278) no Hoare annotation was computed. [2021-11-20 23:34:53,802 INFO L854 garLoopResultBuilder]: At program point L310-2(lines 301 318) the Hoare annotation is: false [2021-11-20 23:34:53,802 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2021-11-20 23:34:53,802 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 476 480) no Hoare annotation was computed. [2021-11-20 23:34:53,802 INFO L854 garLoopResultBuilder]: At program point L476-2(lines 476 480) the Hoare annotation is: false [2021-11-20 23:34:53,802 INFO L858 garLoopResultBuilder]: For program point L476-3(lines 476 480) no Hoare annotation was computed. [2021-11-20 23:34:53,802 INFO L858 garLoopResultBuilder]: For program point L344-1(line 344) no Hoare annotation was computed. [2021-11-20 23:34:53,802 INFO L854 garLoopResultBuilder]: At program point L278(line 278) the Hoare annotation is: false [2021-11-20 23:34:53,803 INFO L858 garLoopResultBuilder]: For program point L278-1(line 278) no Hoare annotation was computed. [2021-11-20 23:34:53,803 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 515) no Hoare annotation was computed. [2021-11-20 23:34:53,803 INFO L858 garLoopResultBuilder]: For program point L510-1(lines 409 538) no Hoare annotation was computed. [2021-11-20 23:34:53,803 INFO L858 garLoopResultBuilder]: For program point L510-2(lines 510 515) no Hoare annotation was computed. [2021-11-20 23:34:53,803 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 214) no Hoare annotation was computed. [2021-11-20 23:34:53,803 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 214) no Hoare annotation was computed. [2021-11-20 23:34:53,803 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-11-20 23:34:53,803 INFO L858 garLoopResultBuilder]: For program point L346-2(lines 346 347) no Hoare annotation was computed. [2021-11-20 23:34:53,803 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 250) no Hoare annotation was computed. [2021-11-20 23:34:53,803 INFO L854 garLoopResultBuilder]: At program point L346-3(lines 346 347) the Hoare annotation is: false [2021-11-20 23:34:53,803 INFO L858 garLoopResultBuilder]: For program point L346-4(lines 332 372) no Hoare annotation was computed. [2021-11-20 23:34:53,804 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 186) no Hoare annotation was computed. [2021-11-20 23:34:53,804 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 174 188) no Hoare annotation was computed. [2021-11-20 23:34:53,804 INFO L858 garLoopResultBuilder]: For program point L181-2(lines 181 186) no Hoare annotation was computed. [2021-11-20 23:34:53,804 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-11-20 23:34:53,804 INFO L858 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2021-11-20 23:34:53,804 INFO L858 garLoopResultBuilder]: For program point L348-1(line 348) no Hoare annotation was computed. [2021-11-20 23:34:53,804 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 250) no Hoare annotation was computed. [2021-11-20 23:34:53,804 INFO L858 garLoopResultBuilder]: For program point L282-1(lines 204 374) no Hoare annotation was computed. [2021-11-20 23:34:53,804 INFO L858 garLoopResultBuilder]: For program point L249-2(lines 204 374) no Hoare annotation was computed. [2021-11-20 23:34:53,804 INFO L854 garLoopResultBuilder]: At program point L84(lines 24 85) the Hoare annotation is: false [2021-11-20 23:34:53,805 INFO L854 garLoopResultBuilder]: At program point L614(lines 614 640) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= |ULTIMATE.start_sin_double_~x#1| .cse0) (= |ULTIMATE.start_sin_double_#res#1| .cse0))) [2021-11-20 23:34:53,805 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 488) no Hoare annotation was computed. [2021-11-20 23:34:53,805 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 416 420) no Hoare annotation was computed. [2021-11-20 23:34:53,805 INFO L854 garLoopResultBuilder]: At program point L416-2(lines 416 420) the Hoare annotation is: false [2021-11-20 23:34:53,805 INFO L858 garLoopResultBuilder]: For program point L350(line 350) no Hoare annotation was computed. [2021-11-20 23:34:53,805 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 23:34:53,805 INFO L858 garLoopResultBuilder]: For program point L416-3(lines 416 420) no Hoare annotation was computed. [2021-11-20 23:34:53,805 INFO L858 garLoopResultBuilder]: For program point L284-2(lines 284 285) no Hoare annotation was computed. [2021-11-20 23:34:53,805 INFO L854 garLoopResultBuilder]: At program point L284-3(lines 284 285) the Hoare annotation is: false [2021-11-20 23:34:53,805 INFO L858 garLoopResultBuilder]: For program point L284-4(lines 282 299) no Hoare annotation was computed. [2021-11-20 23:34:53,806 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2021-11-20 23:34:53,806 INFO L858 garLoopResultBuilder]: For program point L252(lines 204 374) no Hoare annotation was computed. [2021-11-20 23:34:53,806 INFO L854 garLoopResultBuilder]: At program point L351-3(lines 351 355) the Hoare annotation is: false [2021-11-20 23:34:53,806 INFO L858 garLoopResultBuilder]: For program point L351-4(lines 351 355) no Hoare annotation was computed. [2021-11-20 23:34:53,806 INFO L858 garLoopResultBuilder]: For program point L219-2(lines 219 220) no Hoare annotation was computed. [2021-11-20 23:34:53,806 INFO L854 garLoopResultBuilder]: At program point L219-3(lines 219 220) the Hoare annotation is: false [2021-11-20 23:34:53,806 INFO L858 garLoopResultBuilder]: For program point L219-4(lines 219 220) no Hoare annotation was computed. [2021-11-20 23:34:53,806 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 517 522) no Hoare annotation was computed. [2021-11-20 23:34:53,806 INFO L854 garLoopResultBuilder]: At program point L517-2(lines 517 522) the Hoare annotation is: false [2021-11-20 23:34:53,806 INFO L858 garLoopResultBuilder]: For program point L517-3(lines 517 522) no Hoare annotation was computed. [2021-11-20 23:34:53,806 INFO L858 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2021-11-20 23:34:53,807 INFO L854 garLoopResultBuilder]: At program point L187(lines 174 188) the Hoare annotation is: false [2021-11-20 23:34:53,807 INFO L858 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2021-11-20 23:34:53,807 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 77) no Hoare annotation was computed. [2021-11-20 23:34:53,807 INFO L858 garLoopResultBuilder]: For program point L617-1(lines 617 621) no Hoare annotation was computed. [2021-11-20 23:34:53,807 INFO L854 garLoopResultBuilder]: At program point L617-2(lines 617 621) the Hoare annotation is: (= |ULTIMATE.start_sin_double_~x#1| (fp.neg (_ +zero 11 53))) [2021-11-20 23:34:53,807 INFO L858 garLoopResultBuilder]: For program point L617-3(lines 617 621) no Hoare annotation was computed. [2021-11-20 23:34:53,807 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 498) no Hoare annotation was computed. [2021-11-20 23:34:53,807 INFO L858 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2021-11-20 23:34:53,807 INFO L858 garLoopResultBuilder]: For program point L287-1(lines 287 288) no Hoare annotation was computed. [2021-11-20 23:34:53,807 INFO L858 garLoopResultBuilder]: For program point L287-3(lines 287 288) no Hoare annotation was computed. [2021-11-20 23:34:53,808 INFO L854 garLoopResultBuilder]: At program point L287-4(lines 287 288) the Hoare annotation is: false [2021-11-20 23:34:53,808 INFO L858 garLoopResultBuilder]: For program point L287-5(lines 287 288) no Hoare annotation was computed. [2021-11-20 23:34:53,808 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 59) no Hoare annotation was computed. [2021-11-20 23:34:53,808 INFO L858 garLoopResultBuilder]: For program point L321-2(lines 321 324) no Hoare annotation was computed. [2021-11-20 23:34:53,808 INFO L854 garLoopResultBuilder]: At program point L321-3(lines 321 324) the Hoare annotation is: false [2021-11-20 23:34:53,808 INFO L858 garLoopResultBuilder]: For program point L255-2(lines 255 264) no Hoare annotation was computed. [2021-11-20 23:34:53,808 INFO L858 garLoopResultBuilder]: For program point L321-4(lines 321 324) no Hoare annotation was computed. [2021-11-20 23:34:53,808 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2021-11-20 23:34:53,808 INFO L854 garLoopResultBuilder]: At program point L255-3(lines 255 264) the Hoare annotation is: false [2021-11-20 23:34:53,808 INFO L854 garLoopResultBuilder]: At program point L222-3(lines 222 226) the Hoare annotation is: false [2021-11-20 23:34:53,809 INFO L858 garLoopResultBuilder]: For program point L255-4(lines 252 280) no Hoare annotation was computed. [2021-11-20 23:34:53,809 INFO L858 garLoopResultBuilder]: For program point L222-4(lines 222 226) no Hoare annotation was computed. [2021-11-20 23:34:53,809 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2021-11-20 23:34:53,809 INFO L854 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and |ULTIMATE.start_main_#t~short138#1| (= |ULTIMATE.start_sin_double_~x#1| .cse0) (= .cse0 |ULTIMATE.start___signbit_double_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0) (= |ULTIMATE.start_sin_double_#res#1| .cse0))) [2021-11-20 23:34:53,809 INFO L858 garLoopResultBuilder]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2021-11-20 23:34:53,809 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 23:34:53,809 INFO L858 garLoopResultBuilder]: For program point L223-2(lines 223 224) no Hoare annotation was computed. [2021-11-20 23:34:53,809 INFO L854 garLoopResultBuilder]: At program point L223-3(lines 223 224) the Hoare annotation is: false [2021-11-20 23:34:53,809 INFO L858 garLoopResultBuilder]: For program point L223-4(lines 223 224) no Hoare annotation was computed. [2021-11-20 23:34:53,809 INFO L858 garLoopResultBuilder]: For program point L422(lines 422 426) no Hoare annotation was computed. [2021-11-20 23:34:53,810 INFO L858 garLoopResultBuilder]: For program point L356-2(lines 356 360) no Hoare annotation was computed. [2021-11-20 23:34:53,810 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 263) no Hoare annotation was computed. [2021-11-20 23:34:53,810 INFO L854 garLoopResultBuilder]: At program point L356-3(lines 356 360) the Hoare annotation is: false [2021-11-20 23:34:53,810 INFO L858 garLoopResultBuilder]: For program point L290-2(lines 290 295) no Hoare annotation was computed. [2021-11-20 23:34:53,810 INFO L858 garLoopResultBuilder]: For program point L356-4(lines 356 360) no Hoare annotation was computed. [2021-11-20 23:34:53,810 INFO L854 garLoopResultBuilder]: At program point L290-3(lines 290 295) the Hoare annotation is: false [2021-11-20 23:34:53,810 INFO L858 garLoopResultBuilder]: For program point L290-4(lines 290 295) no Hoare annotation was computed. [2021-11-20 23:34:53,810 INFO L858 garLoopResultBuilder]: For program point L654(line 654) no Hoare annotation was computed. [2021-11-20 23:34:53,810 INFO L858 garLoopResultBuilder]: For program point L654-2(lines 654 657) no Hoare annotation was computed. [2021-11-20 23:34:53,810 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 261) no Hoare annotation was computed. [2021-11-20 23:34:53,810 INFO L858 garLoopResultBuilder]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2021-11-20 23:34:53,811 INFO L854 garLoopResultBuilder]: At program point L27-2(lines 27 32) the Hoare annotation is: false [2021-11-20 23:34:53,811 INFO L858 garLoopResultBuilder]: For program point L27-3(lines 27 32) no Hoare annotation was computed. [2021-11-20 23:34:53,816 INFO L858 garLoopResultBuilder]: For program point L655(line 655) no Hoare annotation was computed. [2021-11-20 23:34:53,817 INFO L858 garLoopResultBuilder]: For program point L523-2(lines 523 526) no Hoare annotation was computed. [2021-11-20 23:34:53,817 INFO L854 garLoopResultBuilder]: At program point L523-3(lines 523 526) the Hoare annotation is: false [2021-11-20 23:34:53,817 INFO L858 garLoopResultBuilder]: For program point L523-4(lines 523 526) no Hoare annotation was computed. [2021-11-20 23:34:53,817 INFO L858 garLoopResultBuilder]: For program point L292-2(lines 292 293) no Hoare annotation was computed. [2021-11-20 23:34:53,818 INFO L854 garLoopResultBuilder]: At program point L292-3(lines 292 293) the Hoare annotation is: false [2021-11-20 23:34:53,818 INFO L858 garLoopResultBuilder]: For program point L292-4(lines 292 293) no Hoare annotation was computed. [2021-11-20 23:34:53,818 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 23:34:53,818 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 639) no Hoare annotation was computed. [2021-11-20 23:34:53,818 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-11-20 23:34:53,819 INFO L858 garLoopResultBuilder]: For program point L458-2(lines 458 490) no Hoare annotation was computed. [2021-11-20 23:34:53,819 INFO L858 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2021-11-20 23:34:53,819 INFO L854 garLoopResultBuilder]: At program point L326-3(lines 326 330) the Hoare annotation is: false [2021-11-20 23:34:53,819 INFO L858 garLoopResultBuilder]: For program point L326-4(lines 326 330) no Hoare annotation was computed. [2021-11-20 23:34:53,819 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 63) no Hoare annotation was computed. [2021-11-20 23:34:53,820 INFO L854 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (= |ULTIMATE.start_sin_double_~x#1| (fp.neg (_ +zero 11 53))) [2021-11-20 23:34:53,820 INFO L858 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2021-11-20 23:34:53,820 INFO L858 garLoopResultBuilder]: For program point L492(lines 492 497) no Hoare annotation was computed. [2021-11-20 23:34:53,820 INFO L858 garLoopResultBuilder]: For program point L327-2(lines 327 328) no Hoare annotation was computed. [2021-11-20 23:34:53,820 INFO L854 garLoopResultBuilder]: At program point L327-3(lines 327 328) the Hoare annotation is: false [2021-11-20 23:34:53,820 INFO L858 garLoopResultBuilder]: For program point L327-4(lines 327 328) no Hoare annotation was computed. [2021-11-20 23:34:53,821 INFO L854 garLoopResultBuilder]: At program point L96(lines 87 97) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short138#1| (= |ULTIMATE.start_sin_double_~x#1| (fp.neg (_ +zero 11 53))) (= (_ bv1 32) |ULTIMATE.start___signbit_double_#res#1|)) [2021-11-20 23:34:53,821 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 639) no Hoare annotation was computed. [2021-11-20 23:34:53,821 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 451) no Hoare annotation was computed. [2021-11-20 23:34:53,821 INFO L858 garLoopResultBuilder]: For program point L361-2(lines 361 362) no Hoare annotation was computed. [2021-11-20 23:34:53,821 INFO L854 garLoopResultBuilder]: At program point L361-3(lines 361 362) the Hoare annotation is: false [2021-11-20 23:34:53,822 INFO L858 garLoopResultBuilder]: For program point L361-4(lines 332 372) no Hoare annotation was computed. [2021-11-20 23:34:53,822 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 76) no Hoare annotation was computed. [2021-11-20 23:34:53,822 INFO L861 garLoopResultBuilder]: At program point L659(lines 642 660) the Hoare annotation is: true [2021-11-20 23:34:53,822 INFO L858 garLoopResultBuilder]: For program point L428(lines 428 450) no Hoare annotation was computed. [2021-11-20 23:34:53,822 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 74) no Hoare annotation was computed. [2021-11-20 23:34:53,823 INFO L858 garLoopResultBuilder]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2021-11-20 23:34:53,823 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 23:34:53,823 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 655) no Hoare annotation was computed. [2021-11-20 23:34:53,823 INFO L854 garLoopResultBuilder]: At program point L297(lines 204 374) the Hoare annotation is: false [2021-11-20 23:34:53,823 INFO L858 garLoopResultBuilder]: For program point L231-2(lines 231 235) no Hoare annotation was computed. [2021-11-20 23:34:53,824 INFO L854 garLoopResultBuilder]: At program point L231-3(lines 231 235) the Hoare annotation is: false [2021-11-20 23:34:53,824 INFO L854 garLoopResultBuilder]: At program point L231-4(lines 231 235) the Hoare annotation is: false [2021-11-20 23:34:53,824 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 73) no Hoare annotation was computed. [2021-11-20 23:34:53,824 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 529 530) no Hoare annotation was computed. [2021-11-20 23:34:53,824 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 437) no Hoare annotation was computed. [2021-11-20 23:34:53,825 INFO L854 garLoopResultBuilder]: At program point L529-3(lines 529 530) the Hoare annotation is: false [2021-11-20 23:34:53,825 INFO L858 garLoopResultBuilder]: For program point L529-4(lines 529 530) no Hoare annotation was computed. [2021-11-20 23:34:53,825 INFO L858 garLoopResultBuilder]: For program point L430-2(lines 430 437) no Hoare annotation was computed. [2021-11-20 23:34:53,825 INFO L858 garLoopResultBuilder]: For program point L265-1(lines 252 280) no Hoare annotation was computed. [2021-11-20 23:34:53,825 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 77) no Hoare annotation was computed. [2021-11-20 23:34:53,825 INFO L858 garLoopResultBuilder]: For program point L629(lines 629 638) no Hoare annotation was computed. [2021-11-20 23:34:53,826 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 464 468) no Hoare annotation was computed. [2021-11-20 23:34:53,826 INFO L854 garLoopResultBuilder]: At program point L464-2(lines 464 468) the Hoare annotation is: false [2021-11-20 23:34:53,826 INFO L858 garLoopResultBuilder]: For program point L464-3(lines 464 468) no Hoare annotation was computed. [2021-11-20 23:34:53,826 INFO L854 garLoopResultBuilder]: At program point L332(lines 332 372) the Hoare annotation is: false [2021-11-20 23:34:53,826 INFO L854 garLoopResultBuilder]: At program point L266(lines 266 273) the Hoare annotation is: false [2021-11-20 23:34:53,827 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 54) no Hoare annotation was computed. [2021-11-20 23:34:53,827 INFO L861 garLoopResultBuilder]: At program point __kernel_sinENTRY(lines 592 612) the Hoare annotation is: true [2021-11-20 23:34:53,827 INFO L858 garLoopResultBuilder]: For program point __kernel_sinFINAL(lines 592 612) no Hoare annotation was computed. [2021-11-20 23:34:53,827 INFO L858 garLoopResultBuilder]: For program point L601(lines 601 604) no Hoare annotation was computed. [2021-11-20 23:34:53,827 INFO L858 garLoopResultBuilder]: For program point L601-2(lines 601 604) no Hoare annotation was computed. [2021-11-20 23:34:53,828 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 595 599) no Hoare annotation was computed. [2021-11-20 23:34:53,828 INFO L854 garLoopResultBuilder]: At program point L595-2(lines 595 599) the Hoare annotation is: (= __kernel_sin_~x |__kernel_sin_#in~x|) [2021-11-20 23:34:53,828 INFO L858 garLoopResultBuilder]: For program point L595-3(lines 595 599) no Hoare annotation was computed. [2021-11-20 23:34:53,828 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 611) no Hoare annotation was computed. [2021-11-20 23:34:53,828 INFO L858 garLoopResultBuilder]: For program point __kernel_sinEXIT(lines 592 612) no Hoare annotation was computed. [2021-11-20 23:34:53,828 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 603) no Hoare annotation was computed. [2021-11-20 23:34:53,832 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-20 23:34:53,834 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:34:53,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:34:53 BoogieIcfgContainer [2021-11-20 23:34:53,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:34:53,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:34:53,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:34:53,856 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:34:53,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:33:31" (3/4) ... [2021-11-20 23:34:53,860 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 23:34:53,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-11-20 23:34:53,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-11-20 23:34:53,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cos [2021-11-20 23:34:53,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sin [2021-11-20 23:34:53,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-11-20 23:34:53,914 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-20 23:34:53,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-20 23:34:53,916 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 23:34:53,950 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2021-11-20 23:34:53,950 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-20 23:34:53,951 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((aux-res == -0.0 && __signbit_double(res) == 1-aux && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-20 23:34:53,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (aux-res == -0.0 && __signbit_double(res) == 1-aux && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && 1bv32 == \result [2021-11-20 23:34:54,101 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 23:34:54,102 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:34:54,102 INFO L158 Benchmark]: Toolchain (without parser) took 134780.85ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 39.4MB in the beginning and 31.1MB in the end (delta: 8.3MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2021-11-20 23:34:54,103 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 42.1MB in the beginning and 42.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:34:54,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.86ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 25.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 23:34:54,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.05ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 25.0MB in the beginning and 54.1MB in the end (delta: -29.1MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-20 23:34:54,104 INFO L158 Benchmark]: Boogie Preprocessor took 132.52ms. Allocated memory is still 77.6MB. Free memory was 54.1MB in the beginning and 47.4MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:34:54,105 INFO L158 Benchmark]: RCFGBuilder took 51152.87ms. Allocated memory is still 77.6MB. Free memory was 47.4MB in the beginning and 43.3MB in the end (delta: 4.1MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2021-11-20 23:34:54,105 INFO L158 Benchmark]: TraceAbstraction took 82356.82ms. Allocated memory is still 77.6MB. Free memory was 42.9MB in the beginning and 28.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-11-20 23:34:54,106 INFO L158 Benchmark]: Witness Printer took 246.38ms. Allocated memory is still 77.6MB. Free memory was 28.9MB in the beginning and 31.1MB in the end (delta: -2.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-20 23:34:54,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 42.1MB in the beginning and 42.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.86ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 25.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.05ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 25.0MB in the beginning and 54.1MB in the end (delta: -29.1MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.52ms. Allocated memory is still 77.6MB. Free memory was 54.1MB in the beginning and 47.4MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 51152.87ms. Allocated memory is still 77.6MB. Free memory was 47.4MB in the beginning and 43.3MB in the end (delta: 4.1MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * TraceAbstraction took 82356.82ms. Allocated memory is still 77.6MB. Free memory was 42.9MB in the beginning and 28.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 246.38ms. Allocated memory is still 77.6MB. Free memory was 28.9MB in the beginning and 31.1MB in the end (delta: -2.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 655]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 261 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 82.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 41.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 35.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 1018 SdHoareTripleChecker+Invalid, 34.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 86 IncrementalHoareTripleChecker+Unchecked, 543 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 475 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 153 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 19.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=261occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 149 PreInvPairs, 156 NumberOfFragments, 105 HoareAnnotationTreeSize, 149 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 64 FomulaSimplificationsInter, 33 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.5s SatisfiabilityAnalysisTime, 31.5s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 204 ConstructedInterpolants, 42 QuantifiedInterpolants, 1424 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1431 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (aux-res == -0.0 && __signbit_double(res) == 1-aux && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && 1bv32 == \result - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: (((aux-res == -0.0 && __signbit_double(res) == 1-aux && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-20 23:34:54,375 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 23:34:54,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb89706-ee39-495d-b7c9-d91f9986ff3b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE