/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float4.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-df9f019-m [2024-11-05 20:36:11,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 20:36:11,135 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-05 20:36:11,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 20:36:11,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 20:36:11,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 20:36:11,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 20:36:11,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 20:36:11,169 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 20:36:11,170 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 20:36:11,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 20:36:11,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 20:36:11,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 20:36:11,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 20:36:11,172 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 20:36:11,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 20:36:11,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 20:36:11,173 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-05 20:36:11,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-05 20:36:11,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 20:36:11,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 20:36:11,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 20:36:11,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 20:36:11,174 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 20:36:11,175 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 20:36:11,175 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 20:36:11,175 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 20:36:11,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-05 20:36:11,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 20:36:11,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 20:36:11,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 20:36:11,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 20:36:11,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 20:36:11,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 20:36:11,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 20:36:11,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 20:36:11,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 20:36:11,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 20:36:11,178 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 20:36:11,179 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 20:36:11,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 20:36:11,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 20:36:11,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 20:36:11,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 20:36:11,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 20:36:11,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 20:36:11,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 20:36:11,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 20:36:11,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 20:36:11,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 20:36:11,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float4.i [2024-11-05 20:36:12,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 20:36:13,100 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 20:36:13,101 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i [2024-11-05 20:36:13,120 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9848482a9/714a0aec439a4dbb987df484588530da/FLAGd65dc5f39 [2024-11-05 20:36:13,406 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9848482a9/714a0aec439a4dbb987df484588530da [2024-11-05 20:36:13,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 20:36:13,410 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 20:36:13,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 20:36:13,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 20:36:13,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 20:36:13,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:36:13" (1/1) ... [2024-11-05 20:36:13,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72102f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:13, skipping insertion in model container [2024-11-05 20:36:13,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:36:13" (1/1) ... [2024-11-05 20:36:13,466 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 20:36:13,973 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41128,41141] [2024-11-05 20:36:13,978 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41169,41182] [2024-11-05 20:36:13,979 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41210,41223] [2024-11-05 20:36:13,980 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41259,41272] [2024-11-05 20:36:13,980 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41306,41319] [2024-11-05 20:36:13,981 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41355,41368] [2024-11-05 20:36:13,982 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41397,41410] [2024-11-05 20:36:13,983 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41438,41451] [2024-11-05 20:36:13,984 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41486,41499] [2024-11-05 20:36:13,985 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41534,41547] [2024-11-05 20:36:13,985 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41585,41598] [2024-11-05 20:36:13,986 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41631,41644] [2024-11-05 20:36:13,988 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41674,41687] [2024-11-05 20:36:13,989 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41725,41738] [2024-11-05 20:36:13,989 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41766,41779] [2024-11-05 20:36:13,990 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41807,41820] [2024-11-05 20:36:13,990 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41853,41866] [2024-11-05 20:36:13,991 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41894,41907] [2024-11-05 20:36:13,992 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41935,41948] [2024-11-05 20:36:13,993 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41982,41995] [2024-11-05 20:36:13,994 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42033,42046] [2024-11-05 20:36:13,995 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42084,42097] [2024-11-05 20:36:13,996 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42132,42145] [2024-11-05 20:36:13,996 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42181,42194] [2024-11-05 20:36:13,998 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42224,42237] [2024-11-05 20:36:13,998 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42267,42280] [2024-11-05 20:36:13,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42331,42344] [2024-11-05 20:36:13,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42394,42407] [2024-11-05 20:36:14,000 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42434,42447] [2024-11-05 20:36:14,000 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42473,42486] [2024-11-05 20:36:14,001 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42519,42532] [2024-11-05 20:36:14,002 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42566,42579] [2024-11-05 20:36:14,003 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42614,42627] [2024-11-05 20:36:14,004 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42665,42678] [2024-11-05 20:36:14,004 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42709,42722] [2024-11-05 20:36:14,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42752,42765] [2024-11-05 20:36:14,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42797,42810] [2024-11-05 20:36:14,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42839,42852] [2024-11-05 20:36:14,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42882,42895] [2024-11-05 20:36:14,008 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42927,42940] [2024-11-05 20:36:14,009 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42973,42986] [2024-11-05 20:36:14,010 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[43018,43031] [2024-11-05 20:36:14,011 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[43061,43074] [2024-11-05 20:36:14,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 20:36:14,029 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 20:36:14,068 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41128,41141] [2024-11-05 20:36:14,069 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41169,41182] [2024-11-05 20:36:14,071 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41210,41223] [2024-11-05 20:36:14,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41259,41272] [2024-11-05 20:36:14,074 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41306,41319] [2024-11-05 20:36:14,074 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41355,41368] [2024-11-05 20:36:14,075 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41397,41410] [2024-11-05 20:36:14,075 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41438,41451] [2024-11-05 20:36:14,076 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41486,41499] [2024-11-05 20:36:14,077 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41534,41547] [2024-11-05 20:36:14,077 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41585,41598] [2024-11-05 20:36:14,078 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41631,41644] [2024-11-05 20:36:14,078 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41674,41687] [2024-11-05 20:36:14,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41725,41738] [2024-11-05 20:36:14,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41766,41779] [2024-11-05 20:36:14,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41807,41820] [2024-11-05 20:36:14,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41853,41866] [2024-11-05 20:36:14,081 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41894,41907] [2024-11-05 20:36:14,083 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41935,41948] [2024-11-05 20:36:14,085 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[41982,41995] [2024-11-05 20:36:14,085 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42033,42046] [2024-11-05 20:36:14,086 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42084,42097] [2024-11-05 20:36:14,087 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42132,42145] [2024-11-05 20:36:14,087 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42181,42194] [2024-11-05 20:36:14,088 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42224,42237] [2024-11-05 20:36:14,089 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42267,42280] [2024-11-05 20:36:14,090 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42331,42344] [2024-11-05 20:36:14,090 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42394,42407] [2024-11-05 20:36:14,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42434,42447] [2024-11-05 20:36:14,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42473,42486] [2024-11-05 20:36:14,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42519,42532] [2024-11-05 20:36:14,092 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42566,42579] [2024-11-05 20:36:14,097 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42614,42627] [2024-11-05 20:36:14,098 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42665,42678] [2024-11-05 20:36:14,098 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42709,42722] [2024-11-05 20:36:14,099 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42752,42765] [2024-11-05 20:36:14,099 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42797,42810] [2024-11-05 20:36:14,099 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42839,42852] [2024-11-05 20:36:14,100 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42882,42895] [2024-11-05 20:36:14,103 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42927,42940] [2024-11-05 20:36:14,103 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[42973,42986] [2024-11-05 20:36:14,104 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[43018,43031] [2024-11-05 20:36:14,104 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float4.i[43061,43074] [2024-11-05 20:36:14,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 20:36:14,227 INFO L204 MainTranslator]: Completed translation [2024-11-05 20:36:14,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14 WrapperNode [2024-11-05 20:36:14,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 20:36:14,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 20:36:14,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 20:36:14,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 20:36:14,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (1/1) ... [2024-11-05 20:36:14,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (1/1) ... [2024-11-05 20:36:14,293 INFO L138 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2024-11-05 20:36:14,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 20:36:14,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 20:36:14,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 20:36:14,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 20:36:14,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (1/1) ... [2024-11-05 20:36:14,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (1/1) ... [2024-11-05 20:36:14,309 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (1/1) ... [2024-11-05 20:36:14,320 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-05 20:36:14,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (1/1) ... [2024-11-05 20:36:14,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (1/1) ... [2024-11-05 20:36:14,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (1/1) ... [2024-11-05 20:36:14,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (1/1) ... [2024-11-05 20:36:14,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (1/1) ... [2024-11-05 20:36:14,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (1/1) ... [2024-11-05 20:36:14,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 20:36:14,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 20:36:14,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 20:36:14,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 20:36:14,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (1/1) ... [2024-11-05 20:36:14,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 20:36:14,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 20:36:14,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 20:36:14,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 20:36:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 20:36:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 20:36:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 20:36:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 20:36:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 20:36:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 20:36:14,509 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 20:36:14,511 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 20:36:18,624 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-05 20:36:18,624 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 20:36:18,640 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 20:36:18,641 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 20:36:18,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:36:18 BoogieIcfgContainer [2024-11-05 20:36:18,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 20:36:18,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 20:36:18,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 20:36:18,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 20:36:18,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:36:13" (1/3) ... [2024-11-05 20:36:18,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6989b64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:36:18, skipping insertion in model container [2024-11-05 20:36:18,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:36:14" (2/3) ... [2024-11-05 20:36:18,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6989b64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:36:18, skipping insertion in model container [2024-11-05 20:36:18,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:36:18" (3/3) ... [2024-11-05 20:36:18,652 INFO L112 eAbstractionObserver]: Analyzing ICFG float4.i [2024-11-05 20:36:18,664 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 20:36:18,664 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2024-11-05 20:36:18,714 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 20:36:18,721 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;@633d6b90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 20:36:18,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2024-11-05 20:36:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 94 states have (on average 1.925531914893617) internal successors, (181), 137 states have internal predecessors, (181), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-05 20:36:18,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-05 20:36:18,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 20:36:18,736 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 20:36:18,737 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2024-11-05 20:36:18,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 20:36:18,742 INFO L85 PathProgramCache]: Analyzing trace with hash -710974657, now seen corresponding path program 1 times [2024-11-05 20:36:18,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 20:36:18,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865225557] [2024-11-05 20:36:18,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 20:36:18,749 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 20:36:18,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 20:36:18,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 20:36:18,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 20:36:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 20:36:18,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 20:36:18,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 20:36:18,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 20:36:18,829 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 20:36:18,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 20:36:18,856 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 20:36:18,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [865225557] [2024-11-05 20:36:18,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [865225557] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 20:36:18,857 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 20:36:18,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 20:36:18,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349957628] [2024-11-05 20:36:18,861 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 20:36:18,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 20:36:18,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 20:36:18,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 20:36:18,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 20:36:18,898 INFO L87 Difference]: Start difference. First operand has 141 states, 94 states have (on average 1.925531914893617) internal successors, (181), 137 states have internal predecessors, (181), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-05 20:36:18,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 20:36:18,931 INFO L93 Difference]: Finished difference Result 219 states and 308 transitions. [2024-11-05 20:36:18,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 20:36:18,933 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-05 20:36:18,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 20:36:18,942 INFO L225 Difference]: With dead ends: 219 [2024-11-05 20:36:18,943 INFO L226 Difference]: Without dead ends: 61 [2024-11-05 20:36:18,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 20:36:18,950 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 20:36:18,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 20:36:18,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-05 20:36:18,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-05 20:36:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 57 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-05 20:36:18,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2024-11-05 20:36:18,990 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 15 [2024-11-05 20:36:18,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 20:36:18,991 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2024-11-05 20:36:18,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-05 20:36:18,992 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2024-11-05 20:36:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-05 20:36:18,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 20:36:18,993 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 20:36:19,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 20:36:19,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 20:36:19,195 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2024-11-05 20:36:19,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 20:36:19,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1467798991, now seen corresponding path program 1 times [2024-11-05 20:36:19,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 20:36:19,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473175347] [2024-11-05 20:36:19,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 20:36:19,197 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 20:36:19,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 20:36:19,200 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 20:36:19,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 20:36:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 20:36:19,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 20:36:19,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 20:36:20,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 20:36:20,013 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 20:36:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-05 20:36:20,541 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 20:36:20,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473175347] [2024-11-05 20:36:20,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [473175347] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 20:36:20,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 20:36:20,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2024-11-05 20:36:20,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098582488] [2024-11-05 20:36:20,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 20:36:20,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 20:36:20,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 20:36:20,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 20:36:20,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-05 20:36:20,545 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-05 20:36:24,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 20:36:27,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 20:36:31,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 20:36:35,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 20:36:39,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 20:36:43,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 20:36:47,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 20:36:51,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 20:36:55,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 20:36:55,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 20:36:55,817 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2024-11-05 20:36:55,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 20:36:55,828 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2024-11-05 20:36:55,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 20:36:55,829 INFO L225 Difference]: With dead ends: 61 [2024-11-05 20:36:55,829 INFO L226 Difference]: Without dead ends: 37 [2024-11-05 20:36:55,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-05 20:36:55,831 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 26 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 11 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2024-11-05 20:36:55,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 21 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 163 Invalid, 6 Unknown, 0 Unchecked, 35.2s Time] [2024-11-05 20:36:55,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-05 20:36:55,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-05 20:36:55,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.0) internal successors, (33), 33 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-05 20:36:55,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2024-11-05 20:36:55,836 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 16 [2024-11-05 20:36:55,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 20:36:55,837 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2024-11-05 20:36:55,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-05 20:36:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2024-11-05 20:36:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-05 20:36:55,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 20:36:55,839 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 20:36:55,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-05 20:36:56,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 20:36:56,040 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2024-11-05 20:36:56,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 20:36:56,040 INFO L85 PathProgramCache]: Analyzing trace with hash 695659055, now seen corresponding path program 1 times [2024-11-05 20:36:56,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 20:36:56,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [771122764] [2024-11-05 20:36:56,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 20:36:56,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 20:36:56,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 20:36:56,043 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 20:36:56,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-05 20:36:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 20:36:57,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 20:36:57,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 20:37:07,578 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-05 20:37:15,868 WARN L851 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~f~0#1_32| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~f~0#1_32| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |v_ULTIMATE.start_main_~f~0#1_32|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |v_ULTIMATE.start_main_~f~0#1_32|) .cse0)))) is different from false [2024-11-05 20:37:19,880 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~f~0#1_32| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~f~0#1_32| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |v_ULTIMATE.start_main_~f~0#1_32|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |v_ULTIMATE.start_main_~f~0#1_32|) .cse0)))) is different from true [2024-11-05 20:37:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 20:37:19,880 INFO L311 TraceCheckSpWp]: Computing backward predicates...