./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 23:24:05,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 23:24:05,401 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-21 23:24:05,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 23:24:05,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 23:24:05,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 23:24:05,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 23:24:05,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 23:24:05,441 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 23:24:05,444 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 23:24:05,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 23:24:05,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 23:24:05,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 23:24:05,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 23:24:05,446 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 23:24:05,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 23:24:05,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 23:24:05,448 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 23:24:05,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 23:24:05,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 23:24:05,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 23:24:05,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 23:24:05,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 23:24:05,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 23:24:05,449 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 23:24:05,449 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 23:24:05,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 23:24:05,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 23:24:05,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 23:24:05,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 23:24:05,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 23:24:05,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 23:24:05,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:24:05,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 23:24:05,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 23:24:05,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 23:24:05,451 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 23:24:05,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 23:24:05,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 23:24:05,452 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 23:24:05,452 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 23:24:05,452 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 23:24:05,453 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 [2024-11-21 23:24:05,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 23:24:05,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 23:24:05,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 23:24:05,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 23:24:05,670 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 23:24:05,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2024-11-21 23:24:06,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 23:24:07,014 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 23:24:07,015 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2024-11-21 23:24:07,021 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a55c62c9b/fe17c7d4f32a401c8165e7b6e286e63f/FLAG89647b4ad [2024-11-21 23:24:07,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a55c62c9b/fe17c7d4f32a401c8165e7b6e286e63f [2024-11-21 23:24:07,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 23:24:07,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 23:24:07,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 23:24:07,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 23:24:07,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 23:24:07,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1739242a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07, skipping insertion in model container [2024-11-21 23:24:07,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 23:24:07,649 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2024-11-21 23:24:07,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:24:07,660 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 23:24:07,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2024-11-21 23:24:07,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:24:07,703 INFO L204 MainTranslator]: Completed translation [2024-11-21 23:24:07,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07 WrapperNode [2024-11-21 23:24:07,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 23:24:07,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 23:24:07,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 23:24:07,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 23:24:07,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,762 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 235 [2024-11-21 23:24:07,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 23:24:07,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 23:24:07,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 23:24:07,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 23:24:07,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,795 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,832 INFO L175 MemorySlicer]: Split 13 memory accesses to 5 slices as follows [2, 3, 2, 3, 3]. 23 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 5 writes are split as follows [0, 1, 1, 1, 2]. [2024-11-21 23:24:07,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 23:24:07,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 23:24:07,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 23:24:07,861 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 23:24:07,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (1/1) ... [2024-11-21 23:24:07,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:24:07,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 23:24:07,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-21 23:24:07,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-21 23:24:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 23:24:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-21 23:24:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-21 23:24:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-21 23:24:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-21 23:24:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-21 23:24:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 23:24:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-21 23:24:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-21 23:24:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-21 23:24:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-21 23:24:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-21 23:24:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-21 23:24:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-21 23:24:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-21 23:24:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-21 23:24:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-21 23:24:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-21 23:24:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-21 23:24:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-21 23:24:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-21 23:24:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-21 23:24:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 23:24:07,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 23:24:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-21 23:24:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-21 23:24:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-21 23:24:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-21 23:24:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-21 23:24:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 23:24:08,035 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 23:24:08,037 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 23:24:08,347 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-21 23:24:08,348 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 23:24:08,361 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 23:24:08,361 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-21 23:24:08,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:08 BoogieIcfgContainer [2024-11-21 23:24:08,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 23:24:08,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 23:24:08,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 23:24:08,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 23:24:08,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:24:07" (1/3) ... [2024-11-21 23:24:08,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c18aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:24:08, skipping insertion in model container [2024-11-21 23:24:08,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:07" (2/3) ... [2024-11-21 23:24:08,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c18aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:24:08, skipping insertion in model container [2024-11-21 23:24:08,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:08" (3/3) ... [2024-11-21 23:24:08,370 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b.c [2024-11-21 23:24:08,384 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 23:24:08,384 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 23:24:08,436 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 23:24:08,441 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3ef4ce9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 23:24:08,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 23:24:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 60 states have (on average 1.6333333333333333) internal successors, (98), 61 states have internal predecessors, (98), 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) [2024-11-21 23:24:08,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-21 23:24:08,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:24:08,454 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:24:08,455 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:24:08,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:24:08,458 INFO L85 PathProgramCache]: Analyzing trace with hash -652293199, now seen corresponding path program 1 times [2024-11-21 23:24:08,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 23:24:08,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402492245] [2024-11-21 23:24:08,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:24:08,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 23:24:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:24:08,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:24:08,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 23:24:08,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402492245] [2024-11-21 23:24:08,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402492245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:24:08,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:24:08,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 23:24:08,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503330835] [2024-11-21 23:24:08,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:24:08,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 23:24:08,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 23:24:08,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 23:24:08,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 23:24:08,643 INFO L87 Difference]: Start difference. First operand has 62 states, 60 states have (on average 1.6333333333333333) internal successors, (98), 61 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-11-21 23:24:08,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:24:08,660 INFO L93 Difference]: Finished difference Result 122 states and 194 transitions. [2024-11-21 23:24:08,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 23:24:08,662 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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 17 [2024-11-21 23:24:08,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:24:08,669 INFO L225 Difference]: With dead ends: 122 [2024-11-21 23:24:08,670 INFO L226 Difference]: Without dead ends: 59 [2024-11-21 23:24:08,672 INFO L431 NwaCegarLoop]: 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 [2024-11-21 23:24:08,676 INFO L432 NwaCegarLoop]: 88 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, 88 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 [2024-11-21 23:24:08,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 23:24:08,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-21 23:24:08,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-21 23:24:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.4655172413793103) internal successors, (85), 58 states have internal predecessors, (85), 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) [2024-11-21 23:24:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 85 transitions. [2024-11-21 23:24:08,702 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 85 transitions. Word has length 17 [2024-11-21 23:24:08,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:24:08,702 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 85 transitions. [2024-11-21 23:24:08,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-11-21 23:24:08,703 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2024-11-21 23:24:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-21 23:24:08,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:24:08,703 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:24:08,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 23:24:08,704 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:24:08,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:24:08,705 INFO L85 PathProgramCache]: Analyzing trace with hash 34703527, now seen corresponding path program 1 times [2024-11-21 23:24:08,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 23:24:08,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73154900] [2024-11-21 23:24:08,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:24:08,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 23:24:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:24:09,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:24:09,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 23:24:09,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73154900] [2024-11-21 23:24:09,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73154900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:24:09,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:24:09,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 23:24:09,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679190418] [2024-11-21 23:24:09,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:24:09,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 23:24:09,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 23:24:09,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 23:24:09,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 23:24:09,153 INFO L87 Difference]: Start difference. First operand 59 states and 85 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-21 23:24:09,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:24:09,203 INFO L93 Difference]: Finished difference Result 68 states and 95 transitions. [2024-11-21 23:24:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 23:24:09,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2024-11-21 23:24:09,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:24:09,205 INFO L225 Difference]: With dead ends: 68 [2024-11-21 23:24:09,205 INFO L226 Difference]: Without dead ends: 63 [2024-11-21 23:24:09,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 23:24:09,206 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 2 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 23:24:09,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 228 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 23:24:09,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-21 23:24:09,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 62. [2024-11-21 23:24:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 61 states have internal predecessors, (88), 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) [2024-11-21 23:24:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 88 transitions. [2024-11-21 23:24:09,217 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 88 transitions. Word has length 19 [2024-11-21 23:24:09,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:24:09,219 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 88 transitions. [2024-11-21 23:24:09,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-21 23:24:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2024-11-21 23:24:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-21 23:24:09,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:24:09,219 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:24:09,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 23:24:09,220 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:24:09,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:24:09,220 INFO L85 PathProgramCache]: Analyzing trace with hash 28726666, now seen corresponding path program 1 times [2024-11-21 23:24:09,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 23:24:09,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789323206] [2024-11-21 23:24:09,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:24:09,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 23:24:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:24:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:24:09,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 23:24:09,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789323206] [2024-11-21 23:24:09,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789323206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:24:09,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:24:09,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 23:24:09,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216253033] [2024-11-21 23:24:09,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:24:09,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 23:24:09,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 23:24:09,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 23:24:09,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-21 23:24:09,413 INFO L87 Difference]: Start difference. First operand 62 states and 88 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-11-21 23:24:09,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:24:09,443 INFO L93 Difference]: Finished difference Result 67 states and 92 transitions. [2024-11-21 23:24:09,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 23:24:09,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 20 [2024-11-21 23:24:09,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:24:09,444 INFO L225 Difference]: With dead ends: 67 [2024-11-21 23:24:09,444 INFO L226 Difference]: Without dead ends: 62 [2024-11-21 23:24:09,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-21 23:24:09,445 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 23:24:09,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 325 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 23:24:09,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-21 23:24:09,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2024-11-21 23:24:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 58 states have internal predecessors, (83), 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) [2024-11-21 23:24:09,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 83 transitions. [2024-11-21 23:24:09,451 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 83 transitions. Word has length 20 [2024-11-21 23:24:09,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:24:09,451 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 83 transitions. [2024-11-21 23:24:09,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-11-21 23:24:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2024-11-21 23:24:09,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-21 23:24:09,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:24:09,455 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:24:09,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 23:24:09,455 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:24:09,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:24:09,457 INFO L85 PathProgramCache]: Analyzing trace with hash 675631210, now seen corresponding path program 1 times [2024-11-21 23:24:09,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 23:24:09,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33940137] [2024-11-21 23:24:09,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:24:09,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 23:24:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 23:24:09,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 23:24:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 23:24:09,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-21 23:24:09,558 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-21 23:24:09,559 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 23:24:09,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-21 23:24:09,564 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-21 23:24:09,595 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 23:24:09,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:24:09 BoogieIcfgContainer [2024-11-21 23:24:09,597 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 23:24:09,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 23:24:09,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 23:24:09,598 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 23:24:09,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:08" (3/4) ... [2024-11-21 23:24:09,603 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-21 23:24:09,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 23:24:09,605 INFO L158 Benchmark]: Toolchain (without parser) took 2175.39ms. Allocated memory is still 163.6MB. Free memory was 94.3MB in the beginning and 63.4MB in the end (delta: 30.9MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-11-21 23:24:09,606 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 163.6MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:24:09,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.54ms. Allocated memory is still 163.6MB. Free memory was 94.0MB in the beginning and 79.5MB in the end (delta: 14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-21 23:24:09,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.47ms. Allocated memory is still 163.6MB. Free memory was 79.5MB in the beginning and 134.8MB in the end (delta: -55.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-21 23:24:09,608 INFO L158 Benchmark]: Boogie Preprocessor took 96.50ms. Allocated memory is still 163.6MB. Free memory was 134.8MB in the beginning and 131.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:24:09,609 INFO L158 Benchmark]: RCFGBuilder took 501.37ms. Allocated memory is still 163.6MB. Free memory was 130.6MB in the beginning and 107.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-21 23:24:09,609 INFO L158 Benchmark]: TraceAbstraction took 1232.77ms. Allocated memory is still 163.6MB. Free memory was 107.0MB in the beginning and 64.3MB in the end (delta: 42.7MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2024-11-21 23:24:09,609 INFO L158 Benchmark]: Witness Printer took 6.45ms. Allocated memory is still 163.6MB. Free memory was 64.3MB in the beginning and 63.4MB in the end (delta: 891.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:24:09,611 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 163.6MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.54ms. Allocated memory is still 163.6MB. Free memory was 94.0MB in the beginning and 79.5MB in the end (delta: 14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.47ms. Allocated memory is still 163.6MB. Free memory was 79.5MB in the beginning and 134.8MB in the end (delta: -55.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.50ms. Allocated memory is still 163.6MB. Free memory was 134.8MB in the beginning and 131.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.37ms. Allocated memory is still 163.6MB. Free memory was 130.6MB in the beginning and 107.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1232.77ms. Allocated memory is still 163.6MB. Free memory was 107.0MB in the beginning and 64.3MB in the end (delta: 42.7MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Witness Printer took 6.45ms. Allocated memory is still 163.6MB. Free memory was 64.3MB in the beginning and 63.4MB in the end (delta: 891.5kB). Peak memory consumption was 2.1MB. 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: 139]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 31, overapproximation of someUnaryDOUBLEoperation at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 74. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L134] double x = -0.0; [L135] CALL, EXPR __ieee754_log(x) [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=18014398509481998, zero=0] [L53] ieee_double_shape_type ew_u; [L54] ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] (lx) = ew_u.parts.lsw [L59] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, hx=2146435072, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=18014398509481985, two54_log=18014398509481984, x=18014398509481998, zero=0] [L60] COND FALSE !(hx < 0x00100000) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L73] COND TRUE hx >= 0x7ff00000 [L74] return x + x; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=18014398509481985, two54_log=18014398509481984, x=18014398509481998, zero=0] [L135] RET, EXPR __ieee754_log(x) [L135] double res = __ieee754_log(x); [L138] CALL, EXPR isinf_double(res) [L21] __int32_t hx, lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=18014398509481999, zero=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, hx=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=0, two54_log=18014398509481984, x=18014398509481999, zero=0] [L29] EXPR lx | (-lx) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, hx=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=18014398509481999, zero=0] [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, hx=2146435072, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=18014398509481999, zero=0] [L31] EXPR hx | (-hx) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=18014398509481999, zero=0] [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L138] RET, EXPR isinf_double(res) [L138] COND TRUE !isinf_double(res) [L139] reach_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 389 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 252 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2024-11-21 23:24:09,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 23:24:11,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 23:24:11,468 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-21 23:24:11,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 23:24:11,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 23:24:11,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 23:24:11,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 23:24:11,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 23:24:11,514 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 23:24:11,515 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 23:24:11,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 23:24:11,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 23:24:11,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 23:24:11,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 23:24:11,516 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 23:24:11,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 23:24:11,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 23:24:11,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 23:24:11,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 23:24:11,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 23:24:11,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 23:24:11,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 23:24:11,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 23:24:11,522 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-21 23:24:11,522 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-21 23:24:11,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 23:24:11,523 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-21 23:24:11,523 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 23:24:11,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 23:24:11,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 23:24:11,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 23:24:11,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 23:24:11,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 23:24:11,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 23:24:11,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:24:11,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 23:24:11,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 23:24:11,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 23:24:11,525 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-21 23:24:11,525 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-21 23:24:11,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 23:24:11,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 23:24:11,527 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 23:24:11,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 23:24:11,528 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 [2024-11-21 23:24:11,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 23:24:11,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 23:24:11,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 23:24:11,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 23:24:11,821 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 23:24:11,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2024-11-21 23:24:13,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 23:24:13,327 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 23:24:13,329 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2024-11-21 23:24:13,337 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33adc26b3/db870469350446a6a9016a5f238cfcc3/FLAGe9c9cb741 [2024-11-21 23:24:13,716 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33adc26b3/db870469350446a6a9016a5f238cfcc3 [2024-11-21 23:24:13,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 23:24:13,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 23:24:13,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 23:24:13,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 23:24:13,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 23:24:13,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:24:13" (1/1) ... [2024-11-21 23:24:13,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4660e9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:13, skipping insertion in model container [2024-11-21 23:24:13,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:24:13" (1/1) ... [2024-11-21 23:24:13,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 23:24:13,954 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2024-11-21 23:24:13,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:24:13,974 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 23:24:14,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2024-11-21 23:24:14,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:24:14,038 INFO L204 MainTranslator]: Completed translation [2024-11-21 23:24:14,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14 WrapperNode [2024-11-21 23:24:14,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 23:24:14,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 23:24:14,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 23:24:14,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 23:24:14,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (1/1) ... [2024-11-21 23:24:14,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (1/1) ... [2024-11-21 23:24:14,085 INFO L138 Inliner]: procedures = 20, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2024-11-21 23:24:14,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 23:24:14,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 23:24:14,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 23:24:14,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 23:24:14,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (1/1) ... [2024-11-21 23:24:14,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (1/1) ... [2024-11-21 23:24:14,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (1/1) ... [2024-11-21 23:24:14,124 INFO L175 MemorySlicer]: Split 13 memory accesses to 5 slices as follows [2, 3, 3, 3, 2]. 23 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 5 writes are split as follows [0, 1, 2, 1, 1]. [2024-11-21 23:24:14,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (1/1) ... [2024-11-21 23:24:14,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (1/1) ... [2024-11-21 23:24:14,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (1/1) ... [2024-11-21 23:24:14,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (1/1) ... [2024-11-21 23:24:14,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (1/1) ... [2024-11-21 23:24:14,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (1/1) ... [2024-11-21 23:24:14,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 23:24:14,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 23:24:14,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 23:24:14,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 23:24:14,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (1/1) ... [2024-11-21 23:24:14,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:24:14,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 23:24:14,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-21 23:24:14,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-21 23:24:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 23:24:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-21 23:24:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-21 23:24:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-21 23:24:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-21 23:24:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-21 23:24:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-21 23:24:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-21 23:24:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-21 23:24:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-21 23:24:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-21 23:24:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-21 23:24:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-21 23:24:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-21 23:24:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-21 23:24:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 23:24:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-21 23:24:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 23:24:14,347 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 23:24:14,349 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 23:24:59,493 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-21 23:24:59,493 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 23:24:59,506 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 23:24:59,506 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-21 23:24:59,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:59 BoogieIcfgContainer [2024-11-21 23:24:59,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 23:24:59,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 23:24:59,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 23:24:59,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 23:24:59,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:24:13" (1/3) ... [2024-11-21 23:24:59,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179545a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:24:59, skipping insertion in model container [2024-11-21 23:24:59,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:14" (2/3) ... [2024-11-21 23:24:59,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179545a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:24:59, skipping insertion in model container [2024-11-21 23:24:59,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:59" (3/3) ... [2024-11-21 23:24:59,517 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b.c [2024-11-21 23:24:59,528 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 23:24:59,529 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 23:24:59,572 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 23:24:59,581 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19caca71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 23:24:59,582 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 23:24:59,585 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.7) internal successors, (51), 31 states have internal predecessors, (51), 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) [2024-11-21 23:24:59,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-21 23:24:59,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:24:59,591 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:24:59,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:24:59,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:24:59,597 INFO L85 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2024-11-21 23:24:59,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-21 23:24:59,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [315077651] [2024-11-21 23:24:59,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:24:59,607 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:24:59,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-21 23:24:59,609 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-21 23:24:59,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-21 23:25:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:25:00,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-21 23:25:00,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 23:25:00,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:25:00,323 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 23:25:00,324 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-21 23:25:00,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [315077651] [2024-11-21 23:25:00,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [315077651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:25:00,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:25:00,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 23:25:00,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382541121] [2024-11-21 23:25:00,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:25:00,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 23:25:00,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-21 23:25:00,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 23:25:00,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 23:25:00,362 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.7) internal successors, (51), 31 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-11-21 23:25:00,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:25:00,377 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2024-11-21 23:25:00,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 23:25:00,379 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2024-11-21 23:25:00,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:25:00,385 INFO L225 Difference]: With dead ends: 62 [2024-11-21 23:25:00,385 INFO L226 Difference]: Without dead ends: 29 [2024-11-21 23:25:00,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 23:25:00,390 INFO L432 NwaCegarLoop]: 42 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, 42 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 [2024-11-21 23:25:00,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 23:25:00,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-21 23:25:00,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-21 23:25:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 28 states have internal predecessors, (39), 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) [2024-11-21 23:25:00,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2024-11-21 23:25:00,418 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2024-11-21 23:25:00,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:25:00,419 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2024-11-21 23:25:00,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-11-21 23:25:00,419 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-21 23:25:00,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-21 23:25:00,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:25:00,420 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:25:00,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-21 23:25:00,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:25:00,621 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:25:00,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:25:00,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2024-11-21 23:25:00,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-21 23:25:00,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824391236] [2024-11-21 23:25:00,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:25:00,623 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:25:00,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-21 23:25:00,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-21 23:25:00,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-21 23:25:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:25:01,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 23:25:01,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 23:25:06,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:25:06,039 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 23:25:06,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-21 23:25:06,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824391236] [2024-11-21 23:25:06,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824391236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:25:06,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:25:06,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-21 23:25:06,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868369203] [2024-11-21 23:25:06,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:25:06,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 23:25:06,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-21 23:25:06,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 23:25:06,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-21 23:25:06,041 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 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) [2024-11-21 23:25:13,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-21 23:25:21,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-21 23:25:25,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-21 23:25:29,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-21 23:25:33,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-21 23:25:37,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-21 23:25:41,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-21 23:25:47,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-21 23:25:51,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]