/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 03:47:52,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 03:47:52,274 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 03:47:52,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 03:47:52,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 03:47:52,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 03:47:52,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 03:47:52,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 03:47:52,293 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 03:47:52,294 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 03:47:52,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 03:47:52,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 03:47:52,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 03:47:52,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 03:47:52,295 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 03:47:52,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 03:47:52,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 03:47:52,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 03:47:52,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 03:47:52,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 03:47:52,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 03:47:52,297 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 03:47:52,297 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 03:47:52,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 03:47:52,297 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 03:47:52,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 03:47:52,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 03:47:52,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 03:47:52,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 03:47:52,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 03:47:52,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 03:47:52,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 03:47:52,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 03:47:52,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 03:47:52,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 03:47:52,299 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 03:47:52,299 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 03:47:52,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 03:47:52,301 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 03:47:52,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 03:47:52,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 03:47:52,302 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 03:47:52,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 03:47:52,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 03:47:52,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 03:47:52,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 03:47:52,524 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 03:47:52,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2024-11-06 03:47:53,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 03:47:54,065 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 03:47:54,066 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2024-11-06 03:47:54,087 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783f7a8e9/76bc835bb6bb4be8947436b1124d16e5/FLAG2f9d6f55c [2024-11-06 03:47:54,321 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783f7a8e9/76bc835bb6bb4be8947436b1124d16e5 [2024-11-06 03:47:54,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 03:47:54,323 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 03:47:54,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 03:47:54,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 03:47:54,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 03:47:54,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:47:54" (1/1) ... [2024-11-06 03:47:54,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@656f629c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:54, skipping insertion in model container [2024-11-06 03:47:54,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:47:54" (1/1) ... [2024-11-06 03:47:54,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 03:47:55,081 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,105 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,132 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,133 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,137 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,197 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,198 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,199 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,204 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,205 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,206 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,217 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,218 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,220 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,221 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,221 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,222 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,226 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,227 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,228 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,228 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,229 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,231 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,232 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,232 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,233 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,239 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,240 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,240 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,241 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,241 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,247 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,247 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,248 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,250 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,251 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,259 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,262 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,262 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,263 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,263 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,263 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,263 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,264 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,264 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,264 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,264 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,264 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,273 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2024-11-06 03:47:55,294 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 03:47:55,312 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 03:47:55,339 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 03:47:55,411 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,419 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,428 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,429 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,429 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,442 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,443 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,448 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,452 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,452 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,453 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,460 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,460 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,461 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,461 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,462 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,462 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,463 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,464 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,465 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,465 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,467 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,469 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,470 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,470 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,470 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,476 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,477 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,477 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,478 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,478 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,483 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,484 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,485 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,486 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,487 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,490 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,493 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,494 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,494 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,494 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,494 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,494 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,495 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,495 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,495 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,495 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,495 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,504 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2024-11-06 03:47:55,511 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:47:55,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 03:47:55,520 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 03:47:55,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3278] [2024-11-06 03:47:55,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3281] [2024-11-06 03:47:55,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3284] [2024-11-06 03:47:55,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3287] [2024-11-06 03:47:55,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3300] [2024-11-06 03:47:55,651 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2024-11-06 03:47:55,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 03:47:55,710 INFO L204 MainTranslator]: Completed translation [2024-11-06 03:47:55,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55 WrapperNode [2024-11-06 03:47:55,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 03:47:55,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 03:47:55,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 03:47:55,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 03:47:55,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (1/1) ... [2024-11-06 03:47:55,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (1/1) ... [2024-11-06 03:47:55,835 INFO L138 Inliner]: procedures = 149, calls = 665, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 2008 [2024-11-06 03:47:55,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 03:47:55,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 03:47:55,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 03:47:55,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 03:47:55,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (1/1) ... [2024-11-06 03:47:55,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (1/1) ... [2024-11-06 03:47:55,867 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (1/1) ... [2024-11-06 03:47:56,059 INFO L175 MemorySlicer]: Split 339 memory accesses to 8 slices as follows [2, 6, 9, 292, 1, 2, 24, 3]. 86 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6, 0, 0, 0, 0, 0, 0]. The 169 writes are split as follows [0, 0, 2, 138, 0, 2, 24, 3]. [2024-11-06 03:47:56,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (1/1) ... [2024-11-06 03:47:56,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (1/1) ... [2024-11-06 03:47:56,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (1/1) ... [2024-11-06 03:47:56,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (1/1) ... [2024-11-06 03:47:56,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (1/1) ... [2024-11-06 03:47:56,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (1/1) ... [2024-11-06 03:47:56,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 03:47:56,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 03:47:56,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 03:47:56,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 03:47:56,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (1/1) ... [2024-11-06 03:47:56,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 03:47:56,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 03:47:56,232 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) [2024-11-06 03:47:56,233 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 [2024-11-06 03:47:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-06 03:47:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 03:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2024-11-06 03:47:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-06 03:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 03:47:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 03:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-06 03:47:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-06 03:47:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-06 03:47:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-06 03:47:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2024-11-06 03:47:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2024-11-06 03:47:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-06 03:47:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-06 03:47:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-06 03:47:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-06 03:47:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-06 03:47:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-06 03:47:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-06 03:47:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-06 03:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-06 03:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-06 03:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-06 03:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-06 03:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-06 03:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-06 03:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-06 03:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-06 03:47:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-06 03:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-06 03:47:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-06 03:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-06 03:47:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 03:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 03:47:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2024-11-06 03:47:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2024-11-06 03:47:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2024-11-06 03:47:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2024-11-06 03:47:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2024-11-06 03:47:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2024-11-06 03:47:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2024-11-06 03:47:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2024-11-06 03:47:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-06 03:47:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-06 03:47:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2024-11-06 03:47:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2024-11-06 03:47:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-06 03:47:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-06 03:47:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 03:47:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 03:47:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 03:47:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 03:47:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 03:47:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 03:47:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 03:47:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 03:47:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-06 03:47:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-06 03:47:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 03:47:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 03:47:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 03:47:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 03:47:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 03:47:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 03:47:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-06 03:47:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-06 03:47:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 03:47:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 03:47:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 03:47:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 03:47:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 03:47:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 03:47:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-06 03:47:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-06 03:47:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-06 03:47:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-06 03:47:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 03:47:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 03:47:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2024-11-06 03:47:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2024-11-06 03:47:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 03:47:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-11-06 03:47:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-11-06 03:47:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-06 03:47:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-06 03:47:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-06 03:47:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-06 03:47:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2024-11-06 03:47:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2024-11-06 03:47:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 03:47:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2024-11-06 03:47:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2024-11-06 03:47:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 03:47:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 03:47:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 03:47:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 03:47:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 03:47:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 03:47:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 03:47:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-06 03:47:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-06 03:47:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-06 03:47:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-06 03:47:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-06 03:47:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-06 03:47:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-06 03:47:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-06 03:47:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-06 03:47:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-06 03:47:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-06 03:47:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-06 03:47:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-06 03:47:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-06 03:47:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-06 03:47:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-06 03:47:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-06 03:47:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-06 03:47:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2024-11-06 03:47:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2024-11-06 03:47:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2024-11-06 03:47:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2024-11-06 03:47:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 03:47:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 03:47:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 03:47:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 03:47:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 03:47:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 03:47:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-06 03:47:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-06 03:47:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-06 03:47:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-06 03:47:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2024-11-06 03:47:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2024-11-06 03:47:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-06 03:47:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-06 03:47:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2024-11-06 03:47:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2024-11-06 03:47:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-06 03:47:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-06 03:47:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2024-11-06 03:47:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-06 03:47:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 03:47:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2024-11-06 03:47:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2024-11-06 03:47:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-06 03:47:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2024-11-06 03:47:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2024-11-06 03:47:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-06 03:47:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-06 03:47:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-06 03:47:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-06 03:47:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-06 03:47:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-06 03:47:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2024-11-06 03:47:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2024-11-06 03:47:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2024-11-06 03:47:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2024-11-06 03:47:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 03:47:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 03:47:56,605 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 03:47:56,608 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 03:47:56,816 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 03:48:49,584 INFO L? ?]: Removed 989 outVars from TransFormulas that were not future-live. [2024-11-06 03:48:49,584 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 03:48:49,615 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 03:48:49,615 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 03:48:49,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:48:49 BoogieIcfgContainer [2024-11-06 03:48:49,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 03:48:49,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 03:48:49,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 03:48:49,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 03:48:49,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 03:47:54" (1/3) ... [2024-11-06 03:48:49,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6336c43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:48:49, skipping insertion in model container [2024-11-06 03:48:49,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:47:55" (2/3) ... [2024-11-06 03:48:49,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6336c43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:48:49, skipping insertion in model container [2024-11-06 03:48:49,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:48:49" (3/3) ... [2024-11-06 03:48:49,624 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2024-11-06 03:48:49,636 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 03:48:49,637 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 03:48:49,707 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 03:48:49,712 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;@3aea5909, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 03:48:49,712 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 03:48:49,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 768 states, 533 states have (on average 1.3846153846153846) internal successors, (738), 569 states have internal predecessors, (738), 192 states have call successors, (192), 42 states have call predecessors, (192), 41 states have return successors, (188), 178 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-06 03:48:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-06 03:48:49,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:48:49,736 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 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] [2024-11-06 03:48:49,736 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:48:49,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:48:49,740 INFO L85 PathProgramCache]: Analyzing trace with hash 644307601, now seen corresponding path program 1 times [2024-11-06 03:48:49,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:48:49,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493721307] [2024-11-06 03:48:49,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:48:49,752 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 [2024-11-06 03:48:49,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:48:49,756 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) [2024-11-06 03:48:49,756 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 [2024-11-06 03:48:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:48:50,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 03:48:50,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:48:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-06 03:48:50,478 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:48:50,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:48:50,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493721307] [2024-11-06 03:48:50,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493721307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:48:50,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:48:50,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 03:48:50,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326499302] [2024-11-06 03:48:50,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:48:50,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 03:48:50,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:48:50,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 03:48:50,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 03:48:50,505 INFO L87 Difference]: Start difference. First operand has 768 states, 533 states have (on average 1.3846153846153846) internal successors, (738), 569 states have internal predecessors, (738), 192 states have call successors, (192), 42 states have call predecessors, (192), 41 states have return successors, (188), 178 states have call predecessors, (188), 188 states have call successors, (188) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-06 03:48:50,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:48:50,592 INFO L93 Difference]: Finished difference Result 1531 states and 2271 transitions. [2024-11-06 03:48:50,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 03:48:50,594 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 173 [2024-11-06 03:48:50,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:48:50,607 INFO L225 Difference]: With dead ends: 1531 [2024-11-06 03:48:50,607 INFO L226 Difference]: Without dead ends: 751 [2024-11-06 03:48:50,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 03:48:50,619 INFO L432 NwaCegarLoop]: 1114 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, 1114 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 [2024-11-06 03:48:50,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 03:48:50,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-06 03:48:50,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2024-11-06 03:48:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 523 states have (on average 1.3747609942638623) internal successors, (719), 553 states have internal predecessors, (719), 187 states have call successors, (187), 41 states have call predecessors, (187), 40 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-06 03:48:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1092 transitions. [2024-11-06 03:48:50,698 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1092 transitions. Word has length 173 [2024-11-06 03:48:50,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:48:50,699 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1092 transitions. [2024-11-06 03:48:50,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-06 03:48:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1092 transitions. [2024-11-06 03:48:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-06 03:48:50,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:48:50,702 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 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] [2024-11-06 03:48:50,721 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 [2024-11-06 03:48:50,903 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 [2024-11-06 03:48:50,904 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:48:50,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:48:50,904 INFO L85 PathProgramCache]: Analyzing trace with hash 729284101, now seen corresponding path program 1 times [2024-11-06 03:48:50,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:48:50,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1088812455] [2024-11-06 03:48:50,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:48:50,905 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 [2024-11-06 03:48:50,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:48:50,908 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) [2024-11-06 03:48:50,909 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 [2024-11-06 03:48:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:48:51,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-06 03:48:51,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:48:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-06 03:48:51,741 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:48:51,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:48:51,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1088812455] [2024-11-06 03:48:51,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1088812455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:48:51,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:48:51,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 03:48:51,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482032370] [2024-11-06 03:48:51,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:48:51,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 03:48:51,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:48:51,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 03:48:51,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 03:48:51,744 INFO L87 Difference]: Start difference. First operand 751 states and 1092 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-06 03:48:51,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:48:51,938 INFO L93 Difference]: Finished difference Result 1482 states and 2158 transitions. [2024-11-06 03:48:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 03:48:51,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 173 [2024-11-06 03:48:51,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:48:51,947 INFO L225 Difference]: With dead ends: 1482 [2024-11-06 03:48:51,948 INFO L226 Difference]: Without dead ends: 752 [2024-11-06 03:48:51,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 03:48:51,953 INFO L432 NwaCegarLoop]: 1090 mSDtfsCounter, 0 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3258 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-06 03:48:51,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3258 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-06 03:48:51,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2024-11-06 03:48:51,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2024-11-06 03:48:51,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 524 states have (on average 1.3740458015267176) internal successors, (720), 554 states have internal predecessors, (720), 187 states have call successors, (187), 41 states have call predecessors, (187), 40 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-06 03:48:51,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1093 transitions. [2024-11-06 03:48:51,991 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1093 transitions. Word has length 173 [2024-11-06 03:48:51,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:48:51,992 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1093 transitions. [2024-11-06 03:48:51,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-06 03:48:51,993 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1093 transitions. [2024-11-06 03:48:51,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-06 03:48:51,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:48:51,995 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 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, 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] [2024-11-06 03:48:52,009 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 [2024-11-06 03:48:52,198 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 [2024-11-06 03:48:52,199 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:48:52,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:48:52,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1618973394, now seen corresponding path program 1 times [2024-11-06 03:48:52,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:48:52,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647072261] [2024-11-06 03:48:52,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:48:52,200 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 [2024-11-06 03:48:52,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:48:52,203 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) [2024-11-06 03:48:52,204 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 [2024-11-06 03:48:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:48:52,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 03:48:52,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:48:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-06 03:48:53,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 03:48:54,508 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-06 03:48:54,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:48:54,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647072261] [2024-11-06 03:48:54,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647072261] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 03:48:54,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 03:48:54,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-06 03:48:54,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256495194] [2024-11-06 03:48:54,509 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 03:48:54,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 03:48:54,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:48:54,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 03:48:54,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-06 03:48:54,510 INFO L87 Difference]: Start difference. First operand 752 states and 1093 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-06 03:48:55,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:48:55,467 INFO L93 Difference]: Finished difference Result 1493 states and 2174 transitions. [2024-11-06 03:48:55,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-06 03:48:55,468 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 178 [2024-11-06 03:48:55,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:48:55,476 INFO L225 Difference]: With dead ends: 1493 [2024-11-06 03:48:55,476 INFO L226 Difference]: Without dead ends: 762 [2024-11-06 03:48:55,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-06 03:48:55,480 INFO L432 NwaCegarLoop]: 1087 mSDtfsCounter, 4 mSDsluCounter, 4326 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5413 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 03:48:55,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5413 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 03:48:55,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2024-11-06 03:48:55,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 762. [2024-11-06 03:48:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 533 states have (on average 1.3733583489681052) internal successors, (732), 563 states have internal predecessors, (732), 187 states have call successors, (187), 42 states have call predecessors, (187), 41 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-06 03:48:55,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1105 transitions. [2024-11-06 03:48:55,521 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1105 transitions. Word has length 178 [2024-11-06 03:48:55,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:48:55,522 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 1105 transitions. [2024-11-06 03:48:55,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-06 03:48:55,522 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1105 transitions. [2024-11-06 03:48:55,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-06 03:48:55,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:48:55,526 INFO L215 NwaCegarLoop]: trace histogram [14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 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] [2024-11-06 03:48:55,547 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 [2024-11-06 03:48:55,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:48:55,727 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:48:55,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:48:55,727 INFO L85 PathProgramCache]: Analyzing trace with hash -523731931, now seen corresponding path program 2 times [2024-11-06 03:48:55,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:48:55,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053447734] [2024-11-06 03:48:55,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 03:48:55,728 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 [2024-11-06 03:48:55,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:48:55,730 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) [2024-11-06 03:48:55,730 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 [2024-11-06 03:48:56,182 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-06 03:48:56,183 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 03:48:56,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 03:48:56,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:48:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2024-11-06 03:48:56,308 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:48:56,308 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:48:56,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053447734] [2024-11-06 03:48:56,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053447734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:48:56,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:48:56,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 03:48:56,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747443983] [2024-11-06 03:48:56,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:48:56,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 03:48:56,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:48:56,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 03:48:56,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:48:56,310 INFO L87 Difference]: Start difference. First operand 762 states and 1105 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 03:48:56,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:48:56,689 INFO L93 Difference]: Finished difference Result 1768 states and 2551 transitions. [2024-11-06 03:48:56,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 03:48:56,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 187 [2024-11-06 03:48:56,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:48:56,699 INFO L225 Difference]: With dead ends: 1768 [2024-11-06 03:48:56,699 INFO L226 Difference]: Without dead ends: 1056 [2024-11-06 03:48:56,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:48:56,704 INFO L432 NwaCegarLoop]: 1152 mSDtfsCounter, 454 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 2154 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 03:48:56,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 2154 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 03:48:56,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-06 03:48:56,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1053. [2024-11-06 03:48:56,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 732 states have (on average 1.3729508196721312) internal successors, (1005), 779 states have internal predecessors, (1005), 253 states have call successors, (253), 68 states have call predecessors, (253), 67 states have return successors, (252), 237 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-06 03:48:56,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1510 transitions. [2024-11-06 03:48:56,754 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1510 transitions. Word has length 187 [2024-11-06 03:48:56,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:48:56,755 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1510 transitions. [2024-11-06 03:48:56,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 03:48:56,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1510 transitions. [2024-11-06 03:48:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-06 03:48:56,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:48:56,758 INFO L215 NwaCegarLoop]: trace histogram [14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1] [2024-11-06 03:48:56,768 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 [2024-11-06 03:48:56,959 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 [2024-11-06 03:48:56,959 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:48:56,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:48:56,960 INFO L85 PathProgramCache]: Analyzing trace with hash -839261098, now seen corresponding path program 1 times [2024-11-06 03:48:56,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:48:56,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735602987] [2024-11-06 03:48:56,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:48:56,960 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 [2024-11-06 03:48:56,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:48:56,964 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) [2024-11-06 03:48:56,964 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 [2024-11-06 03:48:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:48:57,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-06 03:48:57,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:48:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-06 03:48:58,097 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 03:48:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-11-06 03:48:59,611 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:48:59,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735602987] [2024-11-06 03:48:59,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735602987] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 03:48:59,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 03:48:59,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-06 03:48:59,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877440543] [2024-11-06 03:48:59,611 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 03:48:59,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-06 03:48:59,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:48:59,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-06 03:48:59,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-06 03:48:59,612 INFO L87 Difference]: Start difference. First operand 1053 states and 1510 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-06 03:49:00,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:49:00,954 INFO L93 Difference]: Finished difference Result 2080 states and 2990 transitions. [2024-11-06 03:49:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-06 03:49:00,955 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 197 [2024-11-06 03:49:00,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:49:00,963 INFO L225 Difference]: With dead ends: 2080 [2024-11-06 03:49:00,963 INFO L226 Difference]: Without dead ends: 1057 [2024-11-06 03:49:00,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-06 03:49:00,968 INFO L432 NwaCegarLoop]: 1087 mSDtfsCounter, 5 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4336 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 03:49:00,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4336 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 03:49:00,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-06 03:49:01,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1057. [2024-11-06 03:49:01,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 736 states have (on average 1.3682065217391304) internal successors, (1007), 783 states have internal predecessors, (1007), 253 states have call successors, (253), 68 states have call predecessors, (253), 67 states have return successors, (252), 237 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-06 03:49:01,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1512 transitions. [2024-11-06 03:49:01,011 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1512 transitions. Word has length 197 [2024-11-06 03:49:01,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:49:01,011 INFO L471 AbstractCegarLoop]: Abstraction has 1057 states and 1512 transitions. [2024-11-06 03:49:01,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-06 03:49:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1512 transitions. [2024-11-06 03:49:01,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-06 03:49:01,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:49:01,014 INFO L215 NwaCegarLoop]: trace histogram [26, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1] [2024-11-06 03:49:01,035 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 [2024-11-06 03:49:01,214 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 [2024-11-06 03:49:01,215 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:49:01,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:49:01,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1150084758, now seen corresponding path program 2 times [2024-11-06 03:49:01,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:49:01,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460357267] [2024-11-06 03:49:01,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 03:49:01,216 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 [2024-11-06 03:49:01,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:49:01,219 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-11-06 03:49:01,220 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 (7)] Waiting until timeout for monitored process [2024-11-06 03:49:01,784 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-06 03:49:01,784 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 03:49:01,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 03:49:01,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:49:01,924 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 739 trivial. 0 not checked. [2024-11-06 03:49:01,924 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:49:01,924 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:49:01,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460357267] [2024-11-06 03:49:01,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460357267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:49:01,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:49:01,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 03:49:01,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226632323] [2024-11-06 03:49:01,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:49:01,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 03:49:01,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:49:01,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 03:49:01,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 03:49:01,926 INFO L87 Difference]: Start difference. First operand 1057 states and 1512 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 03:49:02,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:49:02,120 INFO L93 Difference]: Finished difference Result 2062 states and 2983 transitions. [2024-11-06 03:49:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 03:49:02,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 209 [2024-11-06 03:49:02,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:49:02,128 INFO L225 Difference]: With dead ends: 2062 [2024-11-06 03:49:02,129 INFO L226 Difference]: Without dead ends: 1069 [2024-11-06 03:49:02,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-06 03:49:02,133 INFO L432 NwaCegarLoop]: 1089 mSDtfsCounter, 19 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3265 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-06 03:49:02,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3265 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-06 03:49:02,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-11-06 03:49:02,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1069. [2024-11-06 03:49:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 743 states have (on average 1.3674293405114402) internal successors, (1016), 792 states have internal predecessors, (1016), 257 states have call successors, (257), 69 states have call predecessors, (257), 68 states have return successors, (256), 241 states have call predecessors, (256), 256 states have call successors, (256) [2024-11-06 03:49:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1529 transitions. [2024-11-06 03:49:02,179 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1529 transitions. Word has length 209 [2024-11-06 03:49:02,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:49:02,179 INFO L471 AbstractCegarLoop]: Abstraction has 1069 states and 1529 transitions. [2024-11-06 03:49:02,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 03:49:02,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1529 transitions. [2024-11-06 03:49:02,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-06 03:49:02,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:49:02,182 INFO L215 NwaCegarLoop]: trace histogram [26, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1] [2024-11-06 03:49:02,196 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 (7)] Ended with exit code 0 [2024-11-06 03:49:02,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2024-11-06 03:49:02,383 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:49:02,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:49:02,383 INFO L85 PathProgramCache]: Analyzing trace with hash 599314644, now seen corresponding path program 1 times [2024-11-06 03:49:02,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:49:02,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213152693] [2024-11-06 03:49:02,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:49:02,384 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 [2024-11-06 03:49:02,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:49:02,387 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-11-06 03:49:02,388 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 (8)] Waiting until timeout for monitored process [2024-11-06 03:49:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:49:03,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-06 03:49:03,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:49:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 290 proven. 21 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-11-06 03:49:04,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 03:49:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 38 proven. 163 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-11-06 03:49:07,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:49:07,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213152693] [2024-11-06 03:49:07,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [213152693] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 03:49:07,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 03:49:07,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-06 03:49:07,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749196191] [2024-11-06 03:49:07,210 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 03:49:07,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-06 03:49:07,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:49:07,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-06 03:49:07,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-06 03:49:07,212 INFO L87 Difference]: Start difference. First operand 1069 states and 1529 transitions. Second operand has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-06 03:49:09,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:49:09,624 INFO L93 Difference]: Finished difference Result 2114 states and 3033 transitions. [2024-11-06 03:49:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-06 03:49:09,625 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 209 [2024-11-06 03:49:09,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:49:09,633 INFO L225 Difference]: With dead ends: 2114 [2024-11-06 03:49:09,633 INFO L226 Difference]: Without dead ends: 1073 [2024-11-06 03:49:09,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-06 03:49:09,638 INFO L432 NwaCegarLoop]: 1087 mSDtfsCounter, 9 mSDsluCounter, 8656 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 9743 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-06 03:49:09,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 9743 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-06 03:49:09,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-06 03:49:09,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 1073. [2024-11-06 03:49:09,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 747 states have (on average 1.3668005354752342) internal successors, (1021), 796 states have internal predecessors, (1021), 257 states have call successors, (257), 69 states have call predecessors, (257), 68 states have return successors, (256), 241 states have call predecessors, (256), 256 states have call successors, (256) [2024-11-06 03:49:09,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1534 transitions. [2024-11-06 03:49:09,678 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1534 transitions. Word has length 209 [2024-11-06 03:49:09,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:49:09,678 INFO L471 AbstractCegarLoop]: Abstraction has 1073 states and 1534 transitions. [2024-11-06 03:49:09,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-06 03:49:09,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1534 transitions. [2024-11-06 03:49:09,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-06 03:49:09,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:49:09,680 INFO L215 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1] [2024-11-06 03:49:09,713 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 (8)] Forceful destruction successful, exit code 0 [2024-11-06 03:49:09,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /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 [2024-11-06 03:49:09,881 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:49:09,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:49:09,882 INFO L85 PathProgramCache]: Analyzing trace with hash -498614796, now seen corresponding path program 2 times [2024-11-06 03:49:09,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:49:09,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121833661] [2024-11-06 03:49:09,883 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 03:49:09,883 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 [2024-11-06 03:49:09,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:49:09,884 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2024-11-06 03:49:09,885 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 (9)] Waiting until timeout for monitored process [2024-11-06 03:49:10,434 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-06 03:49:10,435 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 03:49:10,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-06 03:49:10,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:49:10,933 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-06 03:49:10,933 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:49:10,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:49:10,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121833661] [2024-11-06 03:49:10,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1121833661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:49:10,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:49:10,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-06 03:49:10,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680859408] [2024-11-06 03:49:10,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:49:10,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 03:49:10,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:49:10,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 03:49:10,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 03:49:10,935 INFO L87 Difference]: Start difference. First operand 1073 states and 1534 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 5 states have internal predecessors, (54), 4 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 03:49:13,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 03:49:16,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 03:49:18,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 03:49:20,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 03:49:24,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 03:49:26,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 03:49:26,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:49:26,644 INFO L93 Difference]: Finished difference Result 1128 states and 1607 transitions. [2024-11-06 03:49:26,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-06 03:49:26,645 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 5 states have internal predecessors, (54), 4 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 215 [2024-11-06 03:49:26,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:49:26,653 INFO L225 Difference]: With dead ends: 1128 [2024-11-06 03:49:26,654 INFO L226 Difference]: Without dead ends: 1125 [2024-11-06 03:49:26,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-06 03:49:26,656 INFO L432 NwaCegarLoop]: 1086 mSDtfsCounter, 65 mSDsluCounter, 6510 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 7596 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2024-11-06 03:49:26,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 7596 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 15.4s Time] [2024-11-06 03:49:26,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2024-11-06 03:49:26,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1107. [2024-11-06 03:49:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 771 states have (on average 1.364461738002594) internal successors, (1052), 823 states have internal predecessors, (1052), 264 states have call successors, (264), 72 states have call predecessors, (264), 71 states have return successors, (263), 246 states have call predecessors, (263), 263 states have call successors, (263) [2024-11-06 03:49:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1579 transitions. [2024-11-06 03:49:26,704 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1579 transitions. Word has length 215 [2024-11-06 03:49:26,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:49:26,704 INFO L471 AbstractCegarLoop]: Abstraction has 1107 states and 1579 transitions. [2024-11-06 03:49:26,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 5 states have internal predecessors, (54), 4 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 03:49:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1579 transitions. [2024-11-06 03:49:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-06 03:49:26,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:49:26,707 INFO L215 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:49:26,723 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 (9)] Ended with exit code 0 [2024-11-06 03:49:26,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /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 [2024-11-06 03:49:26,908 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:49:26,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:49:26,908 INFO L85 PathProgramCache]: Analyzing trace with hash -115832429, now seen corresponding path program 1 times [2024-11-06 03:49:26,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:49:26,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040334875] [2024-11-06 03:49:26,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:49:26,909 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 [2024-11-06 03:49:26,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:49:26,911 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2024-11-06 03:49:26,912 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 (10)] Waiting until timeout for monitored process [2024-11-06 03:49:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:49:28,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 03:49:28,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:49:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-06 03:49:28,580 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:49:28,580 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:49:28,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040334875] [2024-11-06 03:49:28,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040334875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:49:28,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:49:28,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 03:49:28,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584121257] [2024-11-06 03:49:28,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:49:28,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 03:49:28,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:49:28,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 03:49:28,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:49:28,582 INFO L87 Difference]: Start difference. First operand 1107 states and 1579 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 03:49:28,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:49:28,892 INFO L93 Difference]: Finished difference Result 3173 states and 4711 transitions. [2024-11-06 03:49:28,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 03:49:28,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 217 [2024-11-06 03:49:28,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:49:28,907 INFO L225 Difference]: With dead ends: 3173 [2024-11-06 03:49:28,908 INFO L226 Difference]: Without dead ends: 2134 [2024-11-06 03:49:28,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:49:28,914 INFO L432 NwaCegarLoop]: 1171 mSDtfsCounter, 1099 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 2216 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 03:49:28,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 2216 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 03:49:28,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2024-11-06 03:49:29,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2131. [2024-11-06 03:49:29,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2131 states, 1486 states have (on average 1.3681022880215343) internal successors, (2033), 1586 states have internal predecessors, (2033), 508 states have call successors, (508), 139 states have call predecessors, (508), 136 states have return successors, (588), 472 states have call predecessors, (588), 507 states have call successors, (588) [2024-11-06 03:49:29,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 3129 transitions. [2024-11-06 03:49:29,023 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 3129 transitions. Word has length 217 [2024-11-06 03:49:29,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:49:29,024 INFO L471 AbstractCegarLoop]: Abstraction has 2131 states and 3129 transitions. [2024-11-06 03:49:29,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 03:49:29,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 3129 transitions. [2024-11-06 03:49:29,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-06 03:49:29,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:49:29,027 INFO L215 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:49:29,064 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 (10)] Ended with exit code 0 [2024-11-06 03:49:29,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /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 [2024-11-06 03:49:29,227 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:49:29,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:49:29,228 INFO L85 PathProgramCache]: Analyzing trace with hash -370428955, now seen corresponding path program 1 times [2024-11-06 03:49:29,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:49:29,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957958842] [2024-11-06 03:49:29,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:49:29,229 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 [2024-11-06 03:49:29,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:49:29,232 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2024-11-06 03:49:29,234 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 (11)] Waiting until timeout for monitored process [2024-11-06 03:49:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:49:30,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 03:49:30,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:49:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-06 03:49:30,903 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:49:30,903 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:49:30,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957958842] [2024-11-06 03:49:30,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957958842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:49:30,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:49:30,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 03:49:30,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206125307] [2024-11-06 03:49:30,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:49:30,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 03:49:30,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:49:30,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 03:49:30,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:49:30,905 INFO L87 Difference]: Start difference. First operand 2131 states and 3129 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 03:49:31,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:49:31,286 INFO L93 Difference]: Finished difference Result 6249 states and 9641 transitions. [2024-11-06 03:49:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 03:49:31,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 218 [2024-11-06 03:49:31,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:49:31,315 INFO L225 Difference]: With dead ends: 6249 [2024-11-06 03:49:31,315 INFO L226 Difference]: Without dead ends: 4186 [2024-11-06 03:49:31,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:49:31,327 INFO L432 NwaCegarLoop]: 1088 mSDtfsCounter, 1103 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 2134 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 03:49:31,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 2134 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 03:49:31,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2024-11-06 03:49:31,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 4183. [2024-11-06 03:49:31,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4183 states, 2920 states have (on average 1.3688356164383562) internal successors, (3997), 3116 states have internal predecessors, (3997), 994 states have call successors, (994), 273 states have call predecessors, (994), 268 states have return successors, (1375), 927 states have call predecessors, (1375), 993 states have call successors, (1375) [2024-11-06 03:49:31,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 4183 states and 6366 transitions. [2024-11-06 03:49:31,543 INFO L78 Accepts]: Start accepts. Automaton has 4183 states and 6366 transitions. Word has length 218 [2024-11-06 03:49:31,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:49:31,543 INFO L471 AbstractCegarLoop]: Abstraction has 4183 states and 6366 transitions. [2024-11-06 03:49:31,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 03:49:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 4183 states and 6366 transitions. [2024-11-06 03:49:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-06 03:49:31,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:49:31,545 INFO L215 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:49:31,574 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 (11)] Forceful destruction successful, exit code 0 [2024-11-06 03:49:31,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /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 [2024-11-06 03:49:31,747 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:49:31,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:49:31,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1843988747, now seen corresponding path program 1 times [2024-11-06 03:49:31,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:49:31,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231535065] [2024-11-06 03:49:31,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:49:31,748 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 [2024-11-06 03:49:31,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:49:31,749 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2024-11-06 03:49:31,751 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 (12)] Waiting until timeout for monitored process