./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0490b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_0490b.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 44b34c854cc74f6ea21672664943e51196e9d1fd37e64d1cb7c270d3991e8a4b --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 12:25:20,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:25:20,737 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 12:25:20,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:25:20,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:25:20,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:25:20,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:25:20,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:25:20,776 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 12:25:20,776 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 12:25:20,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:25:20,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:25:20,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:25:20,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:25:20,782 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:25:20,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:25:20,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:25:20,783 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:25:20,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:25:20,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:25:20,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:25:20,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:25:20,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:25:20,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:25:20,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:25:20,785 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:25:20,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:25:20,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:25:20,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:25:20,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:25:20,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:25:20,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:25:20,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:25:20,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:25:20,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:25:20,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:25:20,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:25:20,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:25:20,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:25:20,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:25:20,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:25:20,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:25:20,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44b34c854cc74f6ea21672664943e51196e9d1fd37e64d1cb7c270d3991e8a4b [2024-11-08 12:25:21,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:25:21,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:25:21,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:25:21,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:25:21,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:25:21,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0490b.c [2024-11-08 12:25:22,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:25:22,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:25:22,805 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490b.c [2024-11-08 12:25:22,817 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48c5165be/fb848c87ddab468eb09cd30be66e3b72/FLAGe22211f54 [2024-11-08 12:25:22,831 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48c5165be/fb848c87ddab468eb09cd30be66e3b72 [2024-11-08 12:25:22,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:25:22,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:25:22,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:25:22,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:25:22,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:25:22,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:25:22" (1/1) ... [2024-11-08 12:25:22,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9a863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:22, skipping insertion in model container [2024-11-08 12:25:22,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:25:22" (1/1) ... [2024-11-08 12:25:22,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:25:23,159 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_0490b.c[5753,5766] [2024-11-08 12:25:23,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:25:23,176 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:25:23,225 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_0490b.c[5753,5766] [2024-11-08 12:25:23,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:25:23,251 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:25:23,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23 WrapperNode [2024-11-08 12:25:23,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:25:23,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:25:23,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:25:23,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:25:23,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (1/1) ... [2024-11-08 12:25:23,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (1/1) ... [2024-11-08 12:25:23,299 INFO L138 Inliner]: procedures = 17, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 144 [2024-11-08 12:25:23,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:25:23,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:25:23,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:25:23,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:25:23,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (1/1) ... [2024-11-08 12:25:23,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (1/1) ... [2024-11-08 12:25:23,330 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (1/1) ... [2024-11-08 12:25:23,355 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 3, 2, 3, 3, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 2, 2, 1]. [2024-11-08 12:25:23,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (1/1) ... [2024-11-08 12:25:23,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (1/1) ... [2024-11-08 12:25:23,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (1/1) ... [2024-11-08 12:25:23,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (1/1) ... [2024-11-08 12:25:23,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (1/1) ... [2024-11-08 12:25:23,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (1/1) ... [2024-11-08 12:25:23,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:25:23,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:25:23,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:25:23,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:25:23,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (1/1) ... [2024-11-08 12:25:23,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:25:23,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 12:25:23,452 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) [2024-11-08 12:25:23,457 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 [2024-11-08 12:25:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:25:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 12:25:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 12:25:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 12:25:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 12:25:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 12:25:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 12:25:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 12:25:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 12:25:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 12:25:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 12:25:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 12:25:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 12:25:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 12:25:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 12:25:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 12:25:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 12:25:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 12:25:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 12:25:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 12:25:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2024-11-08 12:25:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2024-11-08 12:25:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 12:25:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 12:25:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 12:25:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 12:25:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 12:25:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 12:25:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:25:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:25:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 12:25:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 12:25:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 12:25:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 12:25:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 12:25:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 12:25:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 12:25:23,665 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:25:23,667 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:25:24,403 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-08 12:25:24,404 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:25:24,430 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:25:24,432 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-08 12:25:24,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:25:24 BoogieIcfgContainer [2024-11-08 12:25:24,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:25:24,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:25:24,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:25:24,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:25:24,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:25:22" (1/3) ... [2024-11-08 12:25:24,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d66425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:25:24, skipping insertion in model container [2024-11-08 12:25:24,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:23" (2/3) ... [2024-11-08 12:25:24,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d66425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:25:24, skipping insertion in model container [2024-11-08 12:25:24,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:25:24" (3/3) ... [2024-11-08 12:25:24,443 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490b.c [2024-11-08 12:25:24,463 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:25:24,463 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:25:24,531 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:25:24,539 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;@2cf26745, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:25:24,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:25:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 127 states have (on average 1.6062992125984252) internal successors, (204), 128 states have internal predecessors, (204), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 12:25:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 12:25:24,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:24,554 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:25:24,555 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:24,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:24,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1264898524, now seen corresponding path program 1 times [2024-11-08 12:25:24,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:24,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948448688] [2024-11-08 12:25:24,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:24,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:24,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:25:24,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:24,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948448688] [2024-11-08 12:25:24,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948448688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:24,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:24,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:25:24,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249248643] [2024-11-08 12:25:24,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:24,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:25:24,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:24,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:25:24,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:25:24,756 INFO L87 Difference]: Start difference. First operand has 132 states, 127 states have (on average 1.6062992125984252) internal successors, (204), 128 states have internal predecessors, (204), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-08 12:25:24,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:24,796 INFO L93 Difference]: Finished difference Result 262 states and 416 transitions. [2024-11-08 12:25:24,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:25:24,799 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-08 12:25:24,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:24,808 INFO L225 Difference]: With dead ends: 262 [2024-11-08 12:25:24,809 INFO L226 Difference]: Without dead ends: 129 [2024-11-08 12:25:24,814 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 [2024-11-08 12:25:24,819 INFO L432 NwaCegarLoop]: 192 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, 192 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 [2024-11-08 12:25:24,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:25:24,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-08 12:25:24,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-08 12:25:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 125 states have (on average 1.48) internal successors, (185), 125 states have internal predecessors, (185), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 12:25:24,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 189 transitions. [2024-11-08 12:25:24,870 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 189 transitions. Word has length 11 [2024-11-08 12:25:24,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:24,870 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 189 transitions. [2024-11-08 12:25:24,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-08 12:25:24,871 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 189 transitions. [2024-11-08 12:25:24,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 12:25:24,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:24,873 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:25:24,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:25:24,873 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:24,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:24,874 INFO L85 PathProgramCache]: Analyzing trace with hash 300224150, now seen corresponding path program 1 times [2024-11-08 12:25:24,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:24,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30591168] [2024-11-08 12:25:24,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:24,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:25:24,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:25:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:25:25,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:25:25,047 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:25:25,049 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 12:25:25,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:25:25,056 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 12:25:25,090 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:25:25,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:25:25 BoogieIcfgContainer [2024-11-08 12:25:25,097 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:25:25,098 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:25:25,099 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:25:25,099 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:25:25,100 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:25:24" (3/4) ... [2024-11-08 12:25:25,103 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 12:25:25,104 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:25:25,105 INFO L158 Benchmark]: Toolchain (without parser) took 2269.88ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 74.7MB in the end (delta: 57.5MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2024-11-08 12:25:25,107 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:25:25,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.94ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 115.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 12:25:25,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.86ms. Allocated memory is still 165.7MB. Free memory was 115.4MB in the beginning and 113.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:25:25,108 INFO L158 Benchmark]: Boogie Preprocessor took 95.80ms. Allocated memory is still 165.7MB. Free memory was 112.5MB in the beginning and 108.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 12:25:25,108 INFO L158 Benchmark]: RCFGBuilder took 1035.70ms. Allocated memory is still 165.7MB. Free memory was 108.3MB in the beginning and 109.8MB in the end (delta: -1.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 12:25:25,109 INFO L158 Benchmark]: TraceAbstraction took 662.88ms. Allocated memory is still 165.7MB. Free memory was 109.3MB in the beginning and 75.2MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 12:25:25,109 INFO L158 Benchmark]: Witness Printer took 5.70ms. Allocated memory is still 165.7MB. Free memory was 75.2MB in the beginning and 74.7MB in the end (delta: 513.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:25:25,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.94ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 115.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.86ms. Allocated memory is still 165.7MB. Free memory was 115.4MB in the beginning and 113.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.80ms. Allocated memory is still 165.7MB. Free memory was 112.5MB in the beginning and 108.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1035.70ms. Allocated memory is still 165.7MB. Free memory was 108.3MB in the beginning and 109.8MB in the end (delta: -1.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 662.88ms. Allocated memory is still 165.7MB. Free memory was 109.3MB in the beginning and 75.2MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 5.70ms. Allocated memory is still 165.7MB. Free memory was 75.2MB in the beginning and 74.7MB in the end (delta: 513.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 230]: 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 someBinaryDOUBLEComparisonOperation at line 19, overapproximation of someUnaryDOUBLEoperation at line 138, overapproximation of someBinaryArithmeticDOUBLEoperation at line 175. Possible FailurePath: [L21] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L133-L146] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L225] double x = -1.0 / 0.0; [L226] CALL, EXPR __ieee754_acos(x) [L149] double z, p, q, r, w, s, c, df; [L150] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=5366611977] [L152] ieee_double_shape_type gh_u; [L153] gh_u.value = (x) [L154] EXPR gh_u.parts.msw [L154] (hx) = gh_u.parts.msw [L156] ix = hx & 0x7fffffff VAL [hx=1071644671, ix=1071644671, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=5366611977] [L157] COND FALSE !(ix >= 0x3ff00000) VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L172] COND TRUE ix < 0x3fe00000 VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L173] COND FALSE !(ix <= 0x3c600000) [L175] z = x * x [L176-L179] p = z * (pS0_acos + z * (pS1_acos + z * (pS2_acos + z * (pS3_acos + z * (pS4_acos + z * pS5_acos))))) [L180-L181] q = one_acos + z * (qS1_acos + z * (qS2_acos + z * (qS3_acos + z * qS4_acos))) [L182] r = p / q [L183] return pio2_hi_acos - (x - (pio2_lo_acos - x * r)); VAL [hx=1071644671, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=5366611977] [L226] RET, EXPR __ieee754_acos(x) [L226] double res = __ieee754_acos(x); [L229] CALL, EXPR isnan_double(res) [L19] return x != x; VAL [\result=0, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L229] RET, EXPR isnan_double(res) [L229] COND TRUE !isnan_double(res) [L230] reach_error() VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 192 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 12:25:25,235 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/11.0.12-open/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_0490b.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 44b34c854cc74f6ea21672664943e51196e9d1fd37e64d1cb7c270d3991e8a4b --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 12:25:27,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:25:27,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 12:25:27,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:25:27,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:25:27,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:25:27,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:25:27,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:25:27,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 12:25:27,782 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 12:25:27,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:25:27,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:25:27,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:25:27,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:25:27,784 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:25:27,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:25:27,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:25:27,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:25:27,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:25:27,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:25:27,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:25:27,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:25:27,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:25:27,788 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 12:25:27,788 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 12:25:27,788 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:25:27,789 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 12:25:27,789 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:25:27,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:25:27,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:25:27,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:25:27,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:25:27,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:25:27,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:25:27,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:25:27,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:25:27,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:25:27,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:25:27,793 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 12:25:27,794 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 12:25:27,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:25:27,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:25:27,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:25:27,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:25:27,796 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44b34c854cc74f6ea21672664943e51196e9d1fd37e64d1cb7c270d3991e8a4b [2024-11-08 12:25:28,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:25:28,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:25:28,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:25:28,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:25:28,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:25:28,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0490b.c [2024-11-08 12:25:29,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:25:30,182 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:25:30,185 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490b.c [2024-11-08 12:25:30,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05499c2d8/b118736cef794582b0805a9c0e762b33/FLAG471581746 [2024-11-08 12:25:30,517 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05499c2d8/b118736cef794582b0805a9c0e762b33 [2024-11-08 12:25:30,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:25:30,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:25:30,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:25:30,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:25:30,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:25:30,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:30,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7871a4b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30, skipping insertion in model container [2024-11-08 12:25:30,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:30,562 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:25:30,846 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_0490b.c[5753,5766] [2024-11-08 12:25:30,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:25:30,876 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:25:30,946 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_0490b.c[5753,5766] [2024-11-08 12:25:30,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:25:30,978 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:25:30,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30 WrapperNode [2024-11-08 12:25:30,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:25:30,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:25:30,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:25:30,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:25:30,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:31,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:31,043 INFO L138 Inliner]: procedures = 20, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2024-11-08 12:25:31,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:25:31,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:25:31,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:25:31,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:25:31,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:31,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:31,069 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:31,112 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [3, 2, 2, 3, 3, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0, 0, 0, 0]. The 7 writes are split as follows [2, 0, 1, 2, 1, 1]. [2024-11-08 12:25:31,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:31,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:31,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:31,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:31,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:31,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:31,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:25:31,166 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:25:31,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:25:31,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:25:31,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (1/1) ... [2024-11-08 12:25:31,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:25:31,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 12:25:31,205 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) [2024-11-08 12:25:31,213 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 [2024-11-08 12:25:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:25:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-08 12:25:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-08 12:25:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-08 12:25:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-08 12:25:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-08 12:25:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-08 12:25:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-08 12:25:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-08 12:25:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-08 12:25:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-08 12:25:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-08 12:25:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-08 12:25:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 12:25:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 12:25:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 12:25:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 12:25:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 12:25:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 12:25:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 12:25:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2024-11-08 12:25:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2024-11-08 12:25:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 12:25:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 12:25:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 12:25:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-08 12:25:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-08 12:25:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-08 12:25:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:25:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:25:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 12:25:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 12:25:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 12:25:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-08 12:25:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-08 12:25:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-08 12:25:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 12:25:31,431 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:25:31,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:25:59,155 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-08 12:25:59,156 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:25:59,183 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:25:59,184 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-08 12:25:59,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:25:59 BoogieIcfgContainer [2024-11-08 12:25:59,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:25:59,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:25:59,190 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:25:59,194 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:25:59,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:25:30" (1/3) ... [2024-11-08 12:25:59,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dd48fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:25:59, skipping insertion in model container [2024-11-08 12:25:59,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:30" (2/3) ... [2024-11-08 12:25:59,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dd48fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:25:59, skipping insertion in model container [2024-11-08 12:25:59,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:25:59" (3/3) ... [2024-11-08 12:25:59,199 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490b.c [2024-11-08 12:25:59,218 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:25:59,219 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:25:59,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:25:59,292 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;@7760f3ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:25:59,292 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:25:59,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 65 states have (on average 1.646153846153846) internal successors, (107), 66 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 12:25:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 12:25:59,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:59,310 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:25:59,311 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:59,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:59,315 INFO L85 PathProgramCache]: Analyzing trace with hash 807600397, now seen corresponding path program 1 times [2024-11-08 12:25:59,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 12:25:59,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116932664] [2024-11-08 12:25:59,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:59,329 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 [2024-11-08 12:25:59,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 12:25:59,333 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) [2024-11-08 12:25:59,335 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 [2024-11-08 12:26:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 12:26:00,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:26:00,238 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:26:00,239 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 12:26:00,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116932664] [2024-11-08 12:26:00,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116932664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:00,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:00,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:26:00,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477771056] [2024-11-08 12:26:00,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:00,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:26:00,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 12:26:00,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:26:00,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:26:00,285 INFO L87 Difference]: Start difference. First operand has 70 states, 65 states have (on average 1.646153846153846) internal successors, (107), 66 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-08 12:26:00,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:00,315 INFO L93 Difference]: Finished difference Result 138 states and 222 transitions. [2024-11-08 12:26:00,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:26:00,318 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-08 12:26:00,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:00,327 INFO L225 Difference]: With dead ends: 138 [2024-11-08 12:26:00,328 INFO L226 Difference]: Without dead ends: 67 [2024-11-08 12:26:00,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:26:00,341 INFO L432 NwaCegarLoop]: 96 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, 96 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 [2024-11-08 12:26:00,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:26:00,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-08 12:26:00,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-08 12:26:00,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 63 states have internal predecessors, (89), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 12:26:00,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2024-11-08 12:26:00,383 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 11 [2024-11-08 12:26:00,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:00,383 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2024-11-08 12:26:00,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-08 12:26:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2024-11-08 12:26:00,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 12:26:00,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:00,385 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:26:00,407 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 [2024-11-08 12:26:00,585 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 [2024-11-08 12:26:00,586 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:00,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:00,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1074852024, now seen corresponding path program 1 times [2024-11-08 12:26:00,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 12:26:00,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1837811655] [2024-11-08 12:26:00,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:00,588 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 [2024-11-08 12:26:00,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 12:26:00,592 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) [2024-11-08 12:26:00,593 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 [2024-11-08 12:26:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 12:26:00,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:26:04,477 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:26:04,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 12:26:04,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1837811655] [2024-11-08 12:26:04,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1837811655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:04,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:04,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:26:04,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117401482] [2024-11-08 12:26:04,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:04,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:26:04,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 12:26:04,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:26:04,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:26:04,485 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-11-08 12:26:09,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:26:10,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:10,612 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2024-11-08 12:26:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:10,614 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 [2024-11-08 12:26:10,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:10,615 INFO L225 Difference]: With dead ends: 72 [2024-11-08 12:26:10,615 INFO L226 Difference]: Without dead ends: 14 [2024-11-08 12:26:10,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:26:10,617 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 14 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:10,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 21 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-08 12:26:10,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-08 12:26:10,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-08 12:26:10,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 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) [2024-11-08 12:26:10,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2024-11-08 12:26:10,625 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2024-11-08 12:26:10,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:10,625 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2024-11-08 12:26:10,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-11-08 12:26:10,626 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-08 12:26:10,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 12:26:10,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:10,626 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:26:10,635 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-08 12:26:10,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-11-08 12:26:10,828 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:10,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:10,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1734315249, now seen corresponding path program 1 times [2024-11-08 12:26:10,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 12:26:10,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273676618] [2024-11-08 12:26:10,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:10,829 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 [2024-11-08 12:26:10,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 12:26:10,833 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-08 12:26:10,834 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 (4)] Waiting until timeout for monitored process [2024-11-08 12:26:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:11,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 12:26:11,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:26:18,503 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:26:18,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 12:26:18,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273676618] [2024-11-08 12:26:18,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1273676618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:18,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:18,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:26:18,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970619972] [2024-11-08 12:26:18,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:18,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:26:18,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 12:26:18,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:26:18,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:26:18,506 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-11-08 12:26:24,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:24,446 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2024-11-08 12:26:24,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:26:24,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2024-11-08 12:26:24,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:24,446 INFO L225 Difference]: With dead ends: 14 [2024-11-08 12:26:24,446 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 12:26:24,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:26:24,448 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:24,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 20 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-08 12:26:24,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 12:26:24,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 12:26:24,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:26:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 12:26:24,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2024-11-08 12:26:24,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:24,450 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 12:26:24,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-11-08 12:26:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 12:26:24,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 12:26:24,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 12:26:24,476 INFO L540 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 (4)] Forceful destruction successful, exit code 0 [2024-11-08 12:26:24,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-11-08 12:26:24,657 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 12:26:24,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 12:26:28,832 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:26:28,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:26:28 BoogieIcfgContainer [2024-11-08 12:26:28,859 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:26:28,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:26:28,860 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:26:28,860 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:26:28,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:25:59" (3/4) ... [2024-11-08 12:26:28,864 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 12:26:28,868 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2024-11-08 12:26:28,877 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-08 12:26:28,879 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-08 12:26:28,879 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 12:26:28,880 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 12:26:29,008 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 12:26:29,008 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-08 12:26:29,009 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:26:29,009 INFO L158 Benchmark]: Toolchain (without parser) took 58488.31ms. Allocated memory is still 73.4MB. Free memory was 50.3MB in the beginning and 38.4MB in the end (delta: 11.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-08 12:26:29,010 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:26:29,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.69ms. Allocated memory is still 73.4MB. Free memory was 50.0MB in the beginning and 32.6MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 12:26:29,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.92ms. Allocated memory is still 73.4MB. Free memory was 32.6MB in the beginning and 30.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:26:29,011 INFO L158 Benchmark]: Boogie Preprocessor took 116.87ms. Allocated memory is still 73.4MB. Free memory was 30.6MB in the beginning and 49.3MB in the end (delta: -18.7MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-11-08 12:26:29,011 INFO L158 Benchmark]: RCFGBuilder took 28018.50ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 42.7MB in the end (delta: 6.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 12:26:29,012 INFO L158 Benchmark]: TraceAbstraction took 29669.73ms. Allocated memory is still 73.4MB. Free memory was 42.0MB in the beginning and 45.4MB in the end (delta: -3.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-08 12:26:29,012 INFO L158 Benchmark]: Witness Printer took 149.35ms. Allocated memory is still 73.4MB. Free memory was 45.4MB in the beginning and 38.4MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 12:26:29,013 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.69ms. Allocated memory is still 73.4MB. Free memory was 50.0MB in the beginning and 32.6MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.92ms. Allocated memory is still 73.4MB. Free memory was 32.6MB in the beginning and 30.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.87ms. Allocated memory is still 73.4MB. Free memory was 30.6MB in the beginning and 49.3MB in the end (delta: -18.7MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * RCFGBuilder took 28018.50ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 42.7MB in the end (delta: 6.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 29669.73ms. Allocated memory is still 73.4MB. Free memory was 42.0MB in the beginning and 45.4MB in the end (delta: -3.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 149.35ms. Allocated memory is still 73.4MB. Free memory was 45.4MB in the beginning and 38.4MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 230]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 137 SdHoareTripleChecker+Invalid, 7.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 109 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 229 SizeOfPredicates, 6 NumberOfNonLiveVariables, 174 ConjunctsInSsa, 21 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 23]: Procedure Contract for __ieee754_sqrt Derived contract for procedure __ieee754_sqrt. Requires: 0 Ensures: (0 && ((((((((((((((((one_sqrt == \old(one_sqrt)) && (tiny_sqrt == \old(tiny_sqrt))) && (one_acos == \old(one_acos))) && (pi == \old(pi))) && (pio2_hi_acos == \old(pio2_hi_acos))) && (pio2_lo_acos == \old(pio2_lo_acos))) && (pS0_acos == \old(pS0_acos))) && (pS1_acos == \old(pS1_acos))) && (pS2_acos == \old(pS2_acos))) && (pS3_acos == \old(pS3_acos))) && (pS4_acos == \old(pS4_acos))) && (pS5_acos == \old(pS5_acos))) && (qS1_acos == \old(qS1_acos))) && (qS2_acos == \old(qS2_acos))) && (qS3_acos == \old(qS3_acos))) && (qS4_acos == \old(qS4_acos)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 12:26:29,233 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-08 12:26:29,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE