./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.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 797a95f5d2ca1f6d76ea6fa52a391b975f9ddf1d0bb78f1805d7d4306e3b7f84 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 17:27:08,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 17:27:08,289 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 17:27:08,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 17:27:08,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 17:27:08,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 17:27:08,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 17:27:08,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 17:27:08,314 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 17:27:08,314 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 17:27:08,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 17:27:08,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 17:27:08,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 17:27:08,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 17:27:08,316 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 17:27:08,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 17:27:08,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 17:27:08,317 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 17:27:08,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 17:27:08,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 17:27:08,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 17:27:08,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 17:27:08,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 17:27:08,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 17:27:08,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 17:27:08,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 17:27:08,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 17:27:08,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 17:27:08,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 17:27:08,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 17:27:08,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 17:27:08,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 17:27:08,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:27:08,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 17:27:08,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 17:27:08,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 17:27:08,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 17:27:08,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 17:27:08,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 17:27:08,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 17:27:08,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 17:27:08,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 17:27:08,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 797a95f5d2ca1f6d76ea6fa52a391b975f9ddf1d0bb78f1805d7d4306e3b7f84 [2024-10-12 17:27:08,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 17:27:08,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 17:27:08,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 17:27:08,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 17:27:08,630 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 17:27:08,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.c [2024-10-12 17:27:10,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 17:27:10,258 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 17:27:10,259 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.c [2024-10-12 17:27:10,273 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d382692b5/2655c4a46f424e64b47af0575487a873/FLAG363f0c705 [2024-10-12 17:27:10,288 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d382692b5/2655c4a46f424e64b47af0575487a873 [2024-10-12 17:27:10,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 17:27:10,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 17:27:10,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 17:27:10,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 17:27:10,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 17:27:10,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a056cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10, skipping insertion in model container [2024-10-12 17:27:10,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 17:27:10,574 WARN L248 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/float_req_bl_0686b.c[5269,5282] [2024-10-12 17:27:10,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:27:10,599 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 17:27:10,658 WARN L248 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/float_req_bl_0686b.c[5269,5282] [2024-10-12 17:27:10,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:27:10,683 INFO L204 MainTranslator]: Completed translation [2024-10-12 17:27:10,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10 WrapperNode [2024-10-12 17:27:10,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 17:27:10,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 17:27:10,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 17:27:10,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 17:27:10,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,736 INFO L138 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 230 [2024-10-12 17:27:10,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 17:27:10,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 17:27:10,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 17:27:10,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 17:27:10,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,767 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,794 INFO L175 MemorySlicer]: Split 52 memory accesses to 11 slices as follows [2, 7, 7, 22, 2, 2, 2, 2, 2, 2, 2]. 42 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1]. [2024-10-12 17:27:10,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 17:27:10,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 17:27:10,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 17:27:10,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 17:27:10,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (1/1) ... [2024-10-12 17:27:10,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:27:10,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 17:27:10,872 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) [2024-10-12 17:27:10,875 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 [2024-10-12 17:27:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 17:27:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 17:27:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 17:27:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 17:27:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 17:27:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-12 17:27:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-12 17:27:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-12 17:27:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-12 17:27:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-12 17:27:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-12 17:27:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-12 17:27:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 17:27:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-12 17:27:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-12 17:27:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-12 17:27:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-12 17:27:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-12 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-12 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-12 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-12 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-12 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-12 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-12 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 17:27:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-12 17:27:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-12 17:27:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-12 17:27:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-12 17:27:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-12 17:27:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-12 17:27:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-12 17:27:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-12 17:27:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-12 17:27:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-12 17:27:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-12 17:27:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-12 17:27:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-12 17:27:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-12 17:27:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-12 17:27:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-12 17:27:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-12 17:27:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-12 17:27:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-12 17:27:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-10-12 17:27:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-10-12 17:27:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 17:27:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 17:27:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 17:27:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 17:27:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 17:27:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-12 17:27:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-12 17:27:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-12 17:27:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-12 17:27:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-12 17:27:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-12 17:27:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-12 17:27:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-12 17:27:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-12 17:27:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-12 17:27:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-12 17:27:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-12 17:27:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-12 17:27:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-12 17:27:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-12 17:27:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-12 17:27:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-12 17:27:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-12 17:27:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-12 17:27:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-10-12 17:27:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-10-12 17:27:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 17:27:11,108 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 17:27:11,111 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 17:27:11,610 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-10-12 17:27:11,610 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 17:27:11,645 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 17:27:11,645 INFO L314 CfgBuilder]: Removed 14 assume(true) statements. [2024-10-12 17:27:11,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:27:11 BoogieIcfgContainer [2024-10-12 17:27:11,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 17:27:11,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 17:27:11,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 17:27:11,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 17:27:11,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:27:10" (1/3) ... [2024-10-12 17:27:11,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edbfb3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:27:11, skipping insertion in model container [2024-10-12 17:27:11,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:10" (2/3) ... [2024-10-12 17:27:11,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edbfb3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:27:11, skipping insertion in model container [2024-10-12 17:27:11,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:27:11" (3/3) ... [2024-10-12 17:27:11,658 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686b.c [2024-10-12 17:27:11,675 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 17:27:11,676 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 17:27:11,748 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 17:27:11,756 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;@66488362, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 17:27:11,756 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 17:27:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 76 states have (on average 1.7236842105263157) internal successors, (131), 77 states have internal predecessors, (131), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-12 17:27:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-12 17:27:11,774 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:27:11,775 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:27:11,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:27:11,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:27:11,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1347045221, now seen corresponding path program 1 times [2024-10-12 17:27:11,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:27:11,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449754805] [2024-10-12 17:27:11,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:27:11,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:27:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:27:11,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:27:11,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 17:27:11,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449754805] [2024-10-12 17:27:11,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449754805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:27:11,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:27:11,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 17:27:11,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843074332] [2024-10-12 17:27:11,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:27:11,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 17:27:11,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 17:27:11,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 17:27:11,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:27:12,002 INFO L87 Difference]: Start difference. First operand has 84 states, 76 states have (on average 1.7236842105263157) internal successors, (131), 77 states have internal predecessors, (131), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:27:12,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:27:12,051 INFO L93 Difference]: Finished difference Result 167 states and 281 transitions. [2024-10-12 17:27:12,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 17:27:12,053 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-12 17:27:12,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:27:12,062 INFO L225 Difference]: With dead ends: 167 [2024-10-12 17:27:12,063 INFO L226 Difference]: Without dead ends: 82 [2024-10-12 17:27:12,068 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 [2024-10-12 17:27:12,071 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 17:27:12,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 17:27:12,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-12 17:27:12,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-12 17:27:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.52) internal successors, (114), 75 states have internal predecessors, (114), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-12 17:27:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 122 transitions. [2024-10-12 17:27:12,119 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 122 transitions. Word has length 9 [2024-10-12 17:27:12,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:27:12,120 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 122 transitions. [2024-10-12 17:27:12,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:27:12,120 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2024-10-12 17:27:12,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-12 17:27:12,121 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:27:12,121 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:27:12,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 17:27:12,122 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:27:12,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:27:12,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1706890172, now seen corresponding path program 1 times [2024-10-12 17:27:12,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:27:12,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71554188] [2024-10-12 17:27:12,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:27:12,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:27:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 17:27:12,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 17:27:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 17:27:12,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 17:27:12,282 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 17:27:12,284 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 17:27:12,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 17:27:12,289 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-12 17:27:12,318 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 17:27:12,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:27:12 BoogieIcfgContainer [2024-10-12 17:27:12,321 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 17:27:12,322 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 17:27:12,322 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 17:27:12,322 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 17:27:12,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:27:11" (3/4) ... [2024-10-12 17:27:12,324 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 17:27:12,325 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 17:27:12,325 INFO L158 Benchmark]: Toolchain (without parser) took 2033.66ms. Allocated memory is still 197.1MB. Free memory was 127.3MB in the beginning and 108.9MB in the end (delta: 18.4MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-10-12 17:27:12,326 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 17:27:12,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.33ms. Allocated memory is still 197.1MB. Free memory was 127.0MB in the beginning and 111.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-12 17:27:12,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.90ms. Allocated memory is still 197.1MB. Free memory was 111.3MB in the beginning and 109.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 17:27:12,327 INFO L158 Benchmark]: Boogie Preprocessor took 93.28ms. Allocated memory is still 197.1MB. Free memory was 109.0MB in the beginning and 104.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 17:27:12,328 INFO L158 Benchmark]: RCFGBuilder took 812.12ms. Allocated memory is still 197.1MB. Free memory was 104.2MB in the beginning and 146.7MB in the end (delta: -42.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-10-12 17:27:12,328 INFO L158 Benchmark]: TraceAbstraction took 671.72ms. Allocated memory is still 197.1MB. Free memory was 145.6MB in the beginning and 108.9MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-12 17:27:12,329 INFO L158 Benchmark]: Witness Printer took 3.00ms. Allocated memory is still 197.1MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 17:27:12,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.33ms. Allocated memory is still 197.1MB. Free memory was 127.0MB in the beginning and 111.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.90ms. Allocated memory is still 197.1MB. Free memory was 111.3MB in the beginning and 109.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.28ms. Allocated memory is still 197.1MB. Free memory was 109.0MB in the beginning and 104.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 812.12ms. Allocated memory is still 197.1MB. Free memory was 104.2MB in the beginning and 146.7MB in the end (delta: -42.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * TraceAbstraction took 671.72ms. Allocated memory is still 197.1MB. Free memory was 145.6MB in the beginning and 108.9MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 3.00ms. Allocated memory is still 197.1MB. Free memory is still 108.9MB. 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: 231]: 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 someBinaryFLOATComparisonOperation at line 230, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L224] float x = 1.0f / 0.0f; [L225] float y = -1.0f / 0.0f; [L227] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, ix=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-8388607, ix=2147483647, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000003, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-8388607, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000003, zero_atan2=0] [L227] RET, EXPR __ieee754_atan2f(y, x) [L227] float res = __ieee754_atan2f(y, x); [L230] COND TRUE res != -pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L231] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 117 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 117 mSDtfsCounter, 7 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=84occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-12 17:27:12,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.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 797a95f5d2ca1f6d76ea6fa52a391b975f9ddf1d0bb78f1805d7d4306e3b7f84 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 17:27:14,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 17:27:14,676 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-12 17:27:14,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 17:27:14,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 17:27:14,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 17:27:14,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 17:27:14,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 17:27:14,721 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 17:27:14,721 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 17:27:14,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 17:27:14,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 17:27:14,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 17:27:14,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 17:27:14,723 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 17:27:14,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 17:27:14,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 17:27:14,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 17:27:14,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 17:27:14,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 17:27:14,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 17:27:14,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 17:27:14,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 17:27:14,731 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-12 17:27:14,732 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-12 17:27:14,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 17:27:14,733 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-12 17:27:14,733 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 17:27:14,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 17:27:14,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 17:27:14,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 17:27:14,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 17:27:14,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 17:27:14,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 17:27:14,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:27:14,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 17:27:14,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 17:27:14,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 17:27:14,737 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-12 17:27:14,738 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-12 17:27:14,738 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 17:27:14,739 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 17:27:14,739 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 17:27:14,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 17:27:14,740 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-12 17:27:14,740 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 797a95f5d2ca1f6d76ea6fa52a391b975f9ddf1d0bb78f1805d7d4306e3b7f84 [2024-10-12 17:27:15,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 17:27:15,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 17:27:15,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 17:27:15,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 17:27:15,105 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 17:27:15,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.c [2024-10-12 17:27:16,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 17:27:16,894 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 17:27:16,894 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.c [2024-10-12 17:27:16,904 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d48396e/24635787a4274193b292876ca7051f98/FLAG045724592 [2024-10-12 17:27:17,265 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d48396e/24635787a4274193b292876ca7051f98 [2024-10-12 17:27:17,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 17:27:17,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 17:27:17,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 17:27:17,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 17:27:17,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 17:27:17,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@955e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17, skipping insertion in model container [2024-10-12 17:27:17,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 17:27:17,568 WARN L248 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/float_req_bl_0686b.c[5269,5282] [2024-10-12 17:27:17,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:27:17,599 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 17:27:17,658 WARN L248 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/float_req_bl_0686b.c[5269,5282] [2024-10-12 17:27:17,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:27:17,689 INFO L204 MainTranslator]: Completed translation [2024-10-12 17:27:17,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17 WrapperNode [2024-10-12 17:27:17,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 17:27:17,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 17:27:17,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 17:27:17,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 17:27:17,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,758 INFO L138 Inliner]: procedures = 22, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 215 [2024-10-12 17:27:17,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 17:27:17,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 17:27:17,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 17:27:17,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 17:27:17,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,821 INFO L175 MemorySlicer]: Split 52 memory accesses to 11 slices as follows [2, 2, 2, 7, 7, 2, 22, 2, 2, 2, 2]. 42 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 4, 4, 0, 11, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1]. [2024-10-12 17:27:17,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 17:27:17,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 17:27:17,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 17:27:17,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 17:27:17,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (1/1) ... [2024-10-12 17:27:17,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:27:17,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 17:27:17,921 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) [2024-10-12 17:27:17,928 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 [2024-10-12 17:27:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 17:27:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-10-12 17:27:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-10-12 17:27:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-10-12 17:27:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-10-12 17:27:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-10-12 17:27:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-10-12 17:27:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-10-12 17:27:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-10-12 17:27:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-10-12 17:27:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-10-12 17:27:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-10-12 17:27:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-12 17:27:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-12 17:27:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-12 17:27:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-12 17:27:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-12 17:27:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-12 17:27:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-12 17:27:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-12 17:27:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-12 17:27:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-12 17:27:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-12 17:27:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 17:27:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-10-12 17:27:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-10-12 17:27:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-10-12 17:27:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-10-12 17:27:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-10-12 17:27:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-10-12 17:27:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-10-12 17:27:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-10-12 17:27:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-10-12 17:27:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-10-12 17:27:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-10-12 17:27:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-10-12 17:27:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-10-12 17:27:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-12 17:27:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-12 17:27:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-12 17:27:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-12 17:27:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-12 17:27:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-12 17:27:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-12 17:27:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-12 17:27:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-12 17:27:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-12 17:27:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-12 17:27:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 17:27:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 17:27:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-10-12 17:27:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-10-12 17:27:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-10-12 17:27:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-10-12 17:27:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-10-12 17:27:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-10-12 17:27:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-10-12 17:27:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-10-12 17:27:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-10-12 17:27:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-10-12 17:27:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-10-12 17:27:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-10-12 17:27:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-10-12 17:27:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-12 17:27:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-12 17:27:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-12 17:27:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-12 17:27:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-12 17:27:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-12 17:27:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-12 17:27:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-12 17:27:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-12 17:27:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-12 17:27:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-12 17:27:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 17:27:18,155 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 17:27:18,158 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 17:27:36,731 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-10-12 17:27:36,731 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 17:27:36,774 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 17:27:36,774 INFO L314 CfgBuilder]: Removed 14 assume(true) statements. [2024-10-12 17:27:36,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:27:36 BoogieIcfgContainer [2024-10-12 17:27:36,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 17:27:36,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 17:27:36,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 17:27:36,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 17:27:36,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:27:17" (1/3) ... [2024-10-12 17:27:36,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756a044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:27:36, skipping insertion in model container [2024-10-12 17:27:36,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:27:17" (2/3) ... [2024-10-12 17:27:36,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756a044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:27:36, skipping insertion in model container [2024-10-12 17:27:36,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:27:36" (3/3) ... [2024-10-12 17:27:36,786 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686b.c [2024-10-12 17:27:36,802 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 17:27:36,802 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 17:27:36,857 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 17:27:36,867 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;@11bc6241, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 17:27:36,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 17:27:36,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 69 states have (on average 1.7391304347826086) internal successors, (120), 70 states have internal predecessors, (120), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-12 17:27:36,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-12 17:27:36,879 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:27:36,881 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:27:36,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:27:36,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:27:36,887 INFO L85 PathProgramCache]: Analyzing trace with hash 889618569, now seen corresponding path program 1 times [2024-10-12 17:27:36,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:27:36,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417930583] [2024-10-12 17:27:36,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:27:36,908 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 [2024-10-12 17:27:36,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:27:36,912 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) [2024-10-12 17:27:36,915 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 [2024-10-12 17:27:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:27:37,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-12 17:27:37,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:27:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:27:37,769 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:27:37,770 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:27:37,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417930583] [2024-10-12 17:27:37,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417930583] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:27:37,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:27:37,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 17:27:37,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989221566] [2024-10-12 17:27:37,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:27:37,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 17:27:37,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:27:37,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 17:27:37,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:27:37,800 INFO L87 Difference]: Start difference. First operand has 77 states, 69 states have (on average 1.7391304347826086) internal successors, (120), 70 states have internal predecessors, (120), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:27:37,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:27:37,972 INFO L93 Difference]: Finished difference Result 153 states and 259 transitions. [2024-10-12 17:27:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 17:27:37,974 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-12 17:27:37,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:27:37,982 INFO L225 Difference]: With dead ends: 153 [2024-10-12 17:27:37,982 INFO L226 Difference]: Without dead ends: 75 [2024-10-12 17:27:37,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:27:37,989 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 17:27:37,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 17:27:38,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-10-12 17:27:38,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-10-12 17:27:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 68 states have (on average 1.5147058823529411) internal successors, (103), 68 states have internal predecessors, (103), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-12 17:27:38,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2024-10-12 17:27:38,026 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 9 [2024-10-12 17:27:38,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:27:38,027 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2024-10-12 17:27:38,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:27:38,027 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2024-10-12 17:27:38,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-12 17:27:38,028 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:27:38,028 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:27:38,057 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 [2024-10-12 17:27:38,230 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 [2024-10-12 17:27:38,230 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:27:38,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:27:38,231 INFO L85 PathProgramCache]: Analyzing trace with hash 267196018, now seen corresponding path program 1 times [2024-10-12 17:27:38,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:27:38,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [771599630] [2024-10-12 17:27:38,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:27:38,232 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 [2024-10-12 17:27:38,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:27:38,234 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) [2024-10-12 17:27:38,236 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 [2024-10-12 17:27:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:27:39,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-12 17:27:39,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:27:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:27:41,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:27:41,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:27:41,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [771599630] [2024-10-12 17:27:41,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [771599630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:27:41,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:27:41,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 17:27:41,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210191385] [2024-10-12 17:27:41,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:27:41,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 17:27:41,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:27:41,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 17:27:41,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 17:27:41,117 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 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) [2024-10-12 17:27:43,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:27:43,881 INFO L93 Difference]: Finished difference Result 88 states and 131 transitions. [2024-10-12 17:27:43,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 17:27:43,882 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 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 [2024-10-12 17:27:43,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:27:43,883 INFO L225 Difference]: With dead ends: 88 [2024-10-12 17:27:43,883 INFO L226 Difference]: Without dead ends: 23 [2024-10-12 17:27:43,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-10-12 17:27:43,885 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 87 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 17:27:43,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 26 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 17:27:43,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-12 17:27:43,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-10-12 17:27:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 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) [2024-10-12 17:27:43,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-10-12 17:27:43,889 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2024-10-12 17:27:43,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:27:43,889 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-10-12 17:27:43,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 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) [2024-10-12 17:27:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-10-12 17:27:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-12 17:27:43,890 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:27:43,890 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:27:43,921 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 [2024-10-12 17:27:44,092 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 [2024-10-12 17:27:44,093 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:27:44,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:27:44,093 INFO L85 PathProgramCache]: Analyzing trace with hash 542389933, now seen corresponding path program 1 times [2024-10-12 17:27:44,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:27:44,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [476140301] [2024-10-12 17:27:44,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:27:44,094 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 [2024-10-12 17:27:44,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:27:44,096 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) [2024-10-12 17:27:44,097 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 [2024-10-12 17:27:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:27:44,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-12 17:27:44,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:27:45,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:27:45,970 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:27:45,970 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:27:45,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [476140301] [2024-10-12 17:27:45,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [476140301] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:27:45,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:27:45,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 17:27:45,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890218909] [2024-10-12 17:27:45,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:27:45,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 17:27:45,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:27:45,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 17:27:45,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-12 17:27:45,973 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:27:47,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:27:47,816 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2024-10-12 17:27:47,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 17:27:47,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-12 17:27:47,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:27:47,817 INFO L225 Difference]: With dead ends: 27 [2024-10-12 17:27:47,817 INFO L226 Difference]: Without dead ends: 23 [2024-10-12 17:27:47,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-12 17:27:47,819 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 35 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-12 17:27:47,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 37 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-12 17:27:47,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-12 17:27:47,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-10-12 17:27:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 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) [2024-10-12 17:27:47,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-10-12 17:27:47,823 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 17 [2024-10-12 17:27:47,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:27:47,824 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-10-12 17:27:47,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:27:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-10-12 17:27:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-12 17:27:47,824 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:27:47,825 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:27:47,853 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 (4)] Ended with exit code 0 [2024-10-12 17:27:48,028 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 [2024-10-12 17:27:48,029 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:27:48,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:27:48,029 INFO L85 PathProgramCache]: Analyzing trace with hash -367213914, now seen corresponding path program 1 times [2024-10-12 17:27:48,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:27:48,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394226625] [2024-10-12 17:27:48,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:27:48,030 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 [2024-10-12 17:27:48,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:27:48,034 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-10-12 17:27:48,034 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 (5)] Waiting until timeout for monitored process [2024-10-12 17:27:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:27:48,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-12 17:27:48,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:27:50,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:27:50,856 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:27:50,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:27:50,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [394226625] [2024-10-12 17:27:50,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [394226625] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:27:50,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:27:50,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 17:27:50,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692757810] [2024-10-12 17:27:50,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:27:50,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 17:27:50,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:27:50,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 17:27:50,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 17:27:50,858 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-12 17:27:51,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:27:51,961 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2024-10-12 17:27:51,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 17:27:51,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2024-10-12 17:27:51,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:27:51,963 INFO L225 Difference]: With dead ends: 26 [2024-10-12 17:27:51,963 INFO L226 Difference]: Without dead ends: 22 [2024-10-12 17:27:51,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-12 17:27:51,964 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 10 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-12 17:27:51,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 48 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-12 17:27:51,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-10-12 17:27:51,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-10-12 17:27:51,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 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) [2024-10-12 17:27:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2024-10-12 17:27:51,970 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 18 [2024-10-12 17:27:51,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:27:51,970 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2024-10-12 17:27:51,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-12 17:27:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2024-10-12 17:27:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-12 17:27:51,971 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:27:51,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:27:52,013 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 (5)] Ended with exit code 0 [2024-10-12 17:27:52,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2024-10-12 17:27:52,172 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:27:52,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:27:52,172 INFO L85 PathProgramCache]: Analyzing trace with hash -746182463, now seen corresponding path program 1 times [2024-10-12 17:27:52,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:27:52,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945992317] [2024-10-12 17:27:52,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:27:52,173 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 [2024-10-12 17:27:52,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:27:52,176 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2024-10-12 17:27:52,177 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 (6)] Waiting until timeout for monitored process [2024-10-12 17:27:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:27:52,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-12 17:27:52,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:27:53,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-12 17:27:53,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-10-12 17:27:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:27:54,929 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:27:54,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:27:54,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945992317] [2024-10-12 17:27:54,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945992317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:27:54,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:27:54,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 17:27:54,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312286409] [2024-10-12 17:27:54,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:27:54,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 17:27:54,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:27:54,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 17:27:54,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 17:27:54,931 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:27:56,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:27:56,782 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2024-10-12 17:27:56,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 17:27:56,782 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-10-12 17:27:56,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:27:56,783 INFO L225 Difference]: With dead ends: 22 [2024-10-12 17:27:56,783 INFO L226 Difference]: Without dead ends: 0 [2024-10-12 17:27:56,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-10-12 17:27:56,784 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 30 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-12 17:27:56,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 16 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-12 17:27:56,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-12 17:27:56,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-12 17:27:56,787 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) [2024-10-12 17:27:56,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-12 17:27:56,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2024-10-12 17:27:56,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:27:56,788 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 17:27:56,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:27:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-12 17:27:56,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-12 17:27:56,792 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 17:27:56,819 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 (6)] Ended with exit code 0 [2024-10-12 17:27:56,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 [2024-10-12 17:27:56,995 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-12 17:27:56,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-12 17:27:57,883 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 17:27:57,900 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-12 17:27:57,902 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-12 17:27:57,902 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-12 17:27:57,902 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-12 17:27:57,902 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-12 17:27:57,904 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-12 17:27:57,904 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-12 17:27:57,906 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-12 17:27:57,906 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-12 17:27:57,906 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-12 17:27:57,906 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-12 17:27:57,907 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-12 17:27:57,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:27:57 BoogieIcfgContainer [2024-10-12 17:27:57,912 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 17:27:57,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 17:27:57,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 17:27:57,913 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 17:27:57,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:27:36" (3/4) ... [2024-10-12 17:27:57,916 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-12 17:27:57,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2024-10-12 17:27:57,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2024-10-12 17:27:57,932 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2024-10-12 17:27:57,932 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-12 17:27:57,933 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-12 17:27:57,933 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-12 17:27:58,061 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-12 17:27:58,062 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-12 17:27:58,062 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 17:27:58,062 INFO L158 Benchmark]: Toolchain (without parser) took 40794.45ms. Allocated memory is still 73.4MB. Free memory was 43.8MB in the beginning and 42.3MB in the end (delta: 1.5MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-10-12 17:27:58,063 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 28.4MB in the beginning and 28.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 17:27:58,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.13ms. Allocated memory is still 73.4MB. Free memory was 43.6MB in the beginning and 46.3MB in the end (delta: -2.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-10-12 17:27:58,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.07ms. Allocated memory is still 73.4MB. Free memory was 46.3MB in the beginning and 43.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 17:27:58,064 INFO L158 Benchmark]: Boogie Preprocessor took 120.43ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 38.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 17:27:58,064 INFO L158 Benchmark]: RCFGBuilder took 18892.26ms. Allocated memory is still 73.4MB. Free memory was 38.6MB in the beginning and 41.4MB in the end (delta: -2.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-10-12 17:27:58,064 INFO L158 Benchmark]: TraceAbstraction took 21133.96ms. Allocated memory is still 73.4MB. Free memory was 40.7MB in the beginning and 22.2MB in the end (delta: 18.5MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-10-12 17:27:58,064 INFO L158 Benchmark]: Witness Printer took 149.13ms. Allocated memory is still 73.4MB. Free memory was 22.2MB in the beginning and 42.3MB in the end (delta: -20.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 17:27:58,066 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 28.4MB in the beginning and 28.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.13ms. Allocated memory is still 73.4MB. Free memory was 43.6MB in the beginning and 46.3MB in the end (delta: -2.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.07ms. Allocated memory is still 73.4MB. Free memory was 46.3MB in the beginning and 43.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.43ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 38.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 18892.26ms. Allocated memory is still 73.4MB. Free memory was 38.6MB in the beginning and 41.4MB in the end (delta: -2.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * TraceAbstraction took 21133.96ms. Allocated memory is still 73.4MB. Free memory was 40.7MB in the beginning and 22.2MB in the end (delta: 18.5MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Witness Printer took 149.13ms. Allocated memory is still 73.4MB. Free memory was 22.2MB in the beginning and 42.3MB in the end (delta: -20.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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: 231]: 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 3 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 233 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 153 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 70 ConstructedInterpolants, 32 QuantifiedInterpolants, 1205 SizeOfPredicates, 24 NumberOfNonLiveVariables, 446 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 14]: Procedure Contract for fabs_float Derived contract for procedure fabs_float. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 53]: Procedure Contract for atan_float Derived contract for procedure atan_float. Requires: 0 Ensures: 0 RESULT: Ultimate proved your program to be correct! [2024-10-12 17:27:58,212 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 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE