/root/.sdkman/candidates/java/11.0.12-open/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 FOX -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-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 14:52:01,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 14:52:01,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-15 14:52:01,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 14:52:01,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 14:52:01,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 14:52:01,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 14:52:01,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 14:52:01,354 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 14:52:01,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 14:52:01,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 14:52:01,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 14:52:01,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 14:52:01,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 14:52:01,356 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 14:52:01,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 14:52:01,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 14:52:01,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 14:52:01,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 14:52:01,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 14:52:01,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 14:52:01,362 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 14:52:01,362 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 14:52:01,362 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 14:52:01,362 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 14:52:01,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 14:52:01,363 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 14:52:01,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 14:52:01,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 14:52:01,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 14:52:01,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 14:52:01,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 14:52:01,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 14:52:01,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 14:52:01,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 14:52:01,364 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 14:52:01,365 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 14:52:01,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 14:52:01,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 14:52:01,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 14:52:01,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 14:52:01,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 14:52:01,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 14:52:01,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 14:52:01,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 14:52:01,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 14:52:01,617 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 14:52:01,618 INFO L431 ainManager$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 [2024-11-15 14:52:03,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 14:52:03,371 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 14:52:03,371 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 [2024-11-15 14:52:03,403 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90686fbb7/98d939907a8749d59cb38bc4e0036995/FLAG7e04d97a0 [2024-11-15 14:52:03,418 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90686fbb7/98d939907a8749d59cb38bc4e0036995 [2024-11-15 14:52:03,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 14:52:03,422 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 14:52:03,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 14:52:03,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 14:52:03,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 14:52:03,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 02:52:03" (1/1) ... [2024-11-15 14:52:03,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ad4983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:03, skipping insertion in model container [2024-11-15 14:52:03,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 02:52:03" (1/1) ... [2024-11-15 14:52:03,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 14:52:04,114 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,129 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,157 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,158 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,158 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,184 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,186 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,187 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,190 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,195 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,196 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,196 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,196 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,197 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,197 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,198 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,199 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,200 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,200 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,201 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,201 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,201 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,202 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,202 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,209 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,209 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,212 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,214 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,214 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,220 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,224 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,226 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,241 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,252 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,253 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,253 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,253 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,253 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,254 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,254 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,254 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,254 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,255 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,255 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,274 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] [2024-11-15 14:52:04,300 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 14:52:04,320 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-15 14:52:04,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 14:52:04,419 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,422 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,428 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,429 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,430 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,438 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,440 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,440 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,441 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,445 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,445 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,446 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,446 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,447 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,447 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,448 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,449 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,449 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,450 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,450 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,451 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,451 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,451 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,452 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,454 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,454 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,454 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,455 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,455 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,457 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,457 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,458 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,459 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,460 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,463 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,465 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,465 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,465 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,466 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,466 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,466 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,466 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,466 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,467 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,467 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,467 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,473 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] [2024-11-15 14:52:04,477 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:52:04,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 14:52:04,485 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 14:52:04,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3278] [2024-11-15 14:52:04,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3281] [2024-11-15 14:52:04,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3284] [2024-11-15 14:52:04,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3287] [2024-11-15 14:52:04,600 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] [2024-11-15 14:52:04,649 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] [2024-11-15 14:52:04,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 14:52:04,703 INFO L204 MainTranslator]: Completed translation [2024-11-15 14:52:04,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04 WrapperNode [2024-11-15 14:52:04,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 14:52:04,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 14:52:04,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 14:52:04,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 14:52:04,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (1/1) ... [2024-11-15 14:52:04,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (1/1) ... [2024-11-15 14:52:04,802 INFO L138 Inliner]: procedures = 149, calls = 665, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 2008 [2024-11-15 14:52:04,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 14:52:04,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 14:52:04,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 14:52:04,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 14:52:04,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (1/1) ... [2024-11-15 14:52:04,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (1/1) ... [2024-11-15 14:52:04,831 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (1/1) ... [2024-11-15 14:52:05,026 INFO L175 MemorySlicer]: Split 339 memory accesses to 8 slices as follows [2, 6, 9, 1, 2, 292, 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, 0, 2, 138, 24, 3]. [2024-11-15 14:52:05,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (1/1) ... [2024-11-15 14:52:05,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (1/1) ... [2024-11-15 14:52:05,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (1/1) ... [2024-11-15 14:52:05,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (1/1) ... [2024-11-15 14:52:05,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (1/1) ... [2024-11-15 14:52:05,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (1/1) ... [2024-11-15 14:52:05,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 14:52:05,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 14:52:05,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 14:52:05,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 14:52:05,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (1/1) ... [2024-11-15 14:52:05,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 14:52:05,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:52:05,150 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) [2024-11-15 14:52:05,151 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 [2024-11-15 14:52:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-15 14:52:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-15 14:52:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-15 14:52:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-15 14:52:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-15 14:52:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-15 14:52:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-15 14:52:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-15 14:52:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-15 14:52:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-15 14:52:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-15 14:52:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-15 14:52:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-15 14:52:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-15 14:52:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-15 14:52:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-15 14:52:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-15 14:52:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-15 14:52:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2024-11-15 14:52:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2024-11-15 14:52:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-15 14:52:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-15 14:52:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-15 14:52:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-15 14:52:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-15 14:52:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-15 14:52:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-15 14:52:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-15 14:52:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-15 14:52:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-15 14:52:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-15 14:52:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-15 14:52:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-15 14:52:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-15 14:52:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-15 14:52:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-15 14:52:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-15 14:52:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-15 14:52:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-15 14:52:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-15 14:52:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-15 14:52:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-15 14:52:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-15 14:52:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-15 14:52:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-15 14:52:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-15 14:52:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-15 14:52:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-15 14:52:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-15 14:52:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-15 14:52:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2024-11-15 14:52:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2024-11-15 14:52:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-15 14:52:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-15 14:52:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-15 14:52:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-15 14:52:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-15 14:52:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-15 14:52:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-15 14:52:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-15 14:52:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-15 14:52:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-15 14:52:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-15 14:52:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-15 14:52:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-15 14:52:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-15 14:52:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-15 14:52:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-15 14:52:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-15 14:52:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-15 14:52:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-15 14:52:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-15 14:52:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-15 14:52:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-15 14:52:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2024-11-15 14:52:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2024-11-15 14:52:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2024-11-15 14:52:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2024-11-15 14:52:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2024-11-15 14:52:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2024-11-15 14:52:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2024-11-15 14:52:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2024-11-15 14:52:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-15 14:52:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-15 14:52:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2024-11-15 14:52:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2024-11-15 14:52:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-15 14:52:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-15 14:52:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-15 14:52:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-15 14:52:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-15 14:52:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-15 14:52:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-15 14:52:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-15 14:52:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-15 14:52:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-15 14:52:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-15 14:52:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-15 14:52:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-15 14:52:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-15 14:52:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-15 14:52:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-15 14:52:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-15 14:52:05,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-15 14:52:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-15 14:52:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-15 14:52:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2024-11-15 14:52:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2024-11-15 14:52:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-15 14:52:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-11-15 14:52:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-11-15 14:52:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-15 14:52:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-15 14:52:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-15 14:52:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-15 14:52:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2024-11-15 14:52:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2024-11-15 14:52:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 14:52:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2024-11-15 14:52:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2024-11-15 14:52:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-15 14:52:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-15 14:52:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-15 14:52:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-15 14:52:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-15 14:52:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-15 14:52:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-15 14:52:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-15 14:52:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-15 14:52:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-15 14:52:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-15 14:52:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-15 14:52:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2024-11-15 14:52:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2024-11-15 14:52:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2024-11-15 14:52:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2024-11-15 14:52:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-15 14:52:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-15 14:52:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-15 14:52:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-15 14:52:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-15 14:52:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-15 14:52:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-15 14:52:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-15 14:52:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-15 14:52:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-15 14:52:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2024-11-15 14:52:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2024-11-15 14:52:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-15 14:52:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-15 14:52:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2024-11-15 14:52:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2024-11-15 14:52:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-15 14:52:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-15 14:52:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-15 14:52:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-15 14:52:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-15 14:52:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-15 14:52:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-15 14:52:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-15 14:52:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-15 14:52:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-15 14:52:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-15 14:52:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-15 14:52:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-15 14:52:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-15 14:52:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-15 14:52:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-15 14:52:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-15 14:52:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-15 14:52:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-15 14:52:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-15 14:52:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-15 14:52:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-15 14:52:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-15 14:52:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-15 14:52:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-15 14:52:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-15 14:52:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-15 14:52:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2024-11-15 14:52:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2024-11-15 14:52:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-15 14:52:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-15 14:52:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 14:52:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-15 14:52:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-15 14:52:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-15 14:52:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-15 14:52:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-15 14:52:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-15 14:52:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-15 14:52:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2024-11-15 14:52:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2024-11-15 14:52:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2024-11-15 14:52:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2024-11-15 14:52:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-15 14:52:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-15 14:52:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2024-11-15 14:52:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2024-11-15 14:52:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2024-11-15 14:52:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2024-11-15 14:52:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-15 14:52:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-15 14:52:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-15 14:52:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-15 14:52:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-15 14:52:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-15 14:52:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-15 14:52:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-15 14:52:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2024-11-15 14:52:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2024-11-15 14:52:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2024-11-15 14:52:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2024-11-15 14:52:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 14:52:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 14:52:05,556 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 14:52:05,560 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 14:52:05,784 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-15 14:52:58,380 INFO L? ?]: Removed 989 outVars from TransFormulas that were not future-live. [2024-11-15 14:52:58,381 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 14:52:58,413 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 14:52:58,413 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-15 14:52:58,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 02:52:58 BoogieIcfgContainer [2024-11-15 14:52:58,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 14:52:58,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 14:52:58,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 14:52:58,418 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 14:52:58,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 02:52:03" (1/3) ... [2024-11-15 14:52:58,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abaff86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 02:52:58, skipping insertion in model container [2024-11-15 14:52:58,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:52:04" (2/3) ... [2024-11-15 14:52:58,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abaff86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 02:52:58, skipping insertion in model container [2024-11-15 14:52:58,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 02:52:58" (3/3) ... [2024-11-15 14:52:58,420 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2024-11-15 14:52:58,434 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 14:52:58,434 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-15 14:52:58,503 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 14:52:58,512 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;@12b4b9d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 14:52:58,513 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 14:52:58,523 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) [2024-11-15 14:52:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-15 14:52:58,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 14:52:58,576 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] [2024-11-15 14:52:58,576 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 14:52:58,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 14:52:58,583 INFO L85 PathProgramCache]: Analyzing trace with hash 644307601, now seen corresponding path program 1 times [2024-11-15 14:52:58,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 14:52:58,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265450868] [2024-11-15 14:52:58,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:52:58,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 14:52:58,920 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 14:52:58,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1594525052] [2024-11-15 14:52:58,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:52:58,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:52:58,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:52:58,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 14:52:58,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-15 14:52:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 14:52:59,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-15 14:52:59,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 14:52:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-15 14:52:59,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 14:52:59,665 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 14:52:59,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265450868] [2024-11-15 14:52:59,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 14:52:59,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594525052] [2024-11-15 14:52:59,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594525052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 14:52:59,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 14:52:59,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 14:52:59,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050544629] [2024-11-15 14:52:59,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 14:52:59,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-15 14:52:59,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 14:52:59,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-15 14:52:59,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 14:52:59,702 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 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-15 14:52:59,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 14:52:59,803 INFO L93 Difference]: Finished difference Result 1531 states and 2271 transitions. [2024-11-15 14:52:59,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 14:52:59,806 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 173 [2024-11-15 14:52:59,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 14:52:59,834 INFO L225 Difference]: With dead ends: 1531 [2024-11-15 14:52:59,834 INFO L226 Difference]: Without dead ends: 751 [2024-11-15 14:52:59,851 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 [2024-11-15 14:52:59,857 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 [2024-11-15 14:52:59,858 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] [2024-11-15 14:52:59,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-15 14:52:59,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2024-11-15 14:52:59,962 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) [2024-11-15 14:52:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1092 transitions. [2024-11-15 14:52:59,971 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1092 transitions. Word has length 173 [2024-11-15 14:52:59,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 14:52:59,972 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1092 transitions. [2024-11-15 14:52:59,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-15 14:52:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1092 transitions. [2024-11-15 14:52:59,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-15 14:52:59,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 14:52:59,976 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] [2024-11-15 14:53:00,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-15 14:53:00,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-15 14:53:00,177 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 14:53:00,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 14:53:00,179 INFO L85 PathProgramCache]: Analyzing trace with hash 729284101, now seen corresponding path program 1 times [2024-11-15 14:53:00,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 14:53:00,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971210959] [2024-11-15 14:53:00,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:53:00,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 14:53:00,337 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 14:53:00,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1395864850] [2024-11-15 14:53:00,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:53:00,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:53:00,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:53:00,342 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 14:53:00,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-15 14:53:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 14:53:00,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 14:53:00,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 14:53:00,997 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-15 14:53:00,997 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 14:53:00,997 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 14:53:00,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971210959] [2024-11-15 14:53:00,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 14:53:00,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395864850] [2024-11-15 14:53:00,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395864850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 14:53:00,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 14:53:00,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 14:53:00,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630506599] [2024-11-15 14:53:00,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 14:53:00,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 14:53:00,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 14:53:01,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 14:53:01,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:53:01,000 INFO L87 Difference]: Start difference. First operand 751 states and 1092 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-15 14:53:01,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 14:53:01,479 INFO L93 Difference]: Finished difference Result 1757 states and 2538 transitions. [2024-11-15 14:53:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 14:53:01,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 173 [2024-11-15 14:53:01,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 14:53:01,492 INFO L225 Difference]: With dead ends: 1757 [2024-11-15 14:53:01,492 INFO L226 Difference]: Without dead ends: 1045 [2024-11-15 14:53:01,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:53:01,496 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-15 14:53:01,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 2154 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-15 14:53:01,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-11-15 14:53:01,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1042. [2024-11-15 14:53:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 722 states have (on average 1.373961218836565) internal successors, (992), 769 states have internal predecessors, (992), 253 states have call successors, (253), 67 states have call predecessors, (253), 66 states have return successors, (252), 237 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-15 14:53:01,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1497 transitions. [2024-11-15 14:53:01,552 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1497 transitions. Word has length 173 [2024-11-15 14:53:01,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 14:53:01,553 INFO L471 AbstractCegarLoop]: Abstraction has 1042 states and 1497 transitions. [2024-11-15 14:53:01,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-15 14:53:01,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1497 transitions. [2024-11-15 14:53:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-15 14:53:01,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 14:53:01,560 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 14:53:01,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-15 14:53:01,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-15 14:53:01,761 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 14:53:01,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 14:53:01,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1343786550, now seen corresponding path program 1 times [2024-11-15 14:53:01,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 14:53:01,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989660258] [2024-11-15 14:53:01,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:53:01,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 14:53:01,991 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 14:53:01,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [636082593] [2024-11-15 14:53:01,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:53:01,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:53:01,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:53:01,996 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 14:53:01,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-15 14:53:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 14:53:02,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 14:53:02,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 14:53:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-15 14:53:02,674 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 14:53:02,674 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 14:53:02,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989660258] [2024-11-15 14:53:02,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 14:53:02,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636082593] [2024-11-15 14:53:02,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636082593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 14:53:02,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 14:53:02,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 14:53:02,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242857843] [2024-11-15 14:53:02,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 14:53:02,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 14:53:02,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 14:53:02,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 14:53:02,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:53:02,676 INFO L87 Difference]: Start difference. First operand 1042 states and 1497 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-11-15 14:53:02,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 14:53:02,912 INFO L93 Difference]: Finished difference Result 3016 states and 4505 transitions. [2024-11-15 14:53:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 14:53:02,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 183 [2024-11-15 14:53:02,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 14:53:02,923 INFO L225 Difference]: With dead ends: 3016 [2024-11-15 14:53:02,923 INFO L226 Difference]: Without dead ends: 2023 [2024-11-15 14:53:02,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:53:02,928 INFO L432 NwaCegarLoop]: 1178 mSDtfsCounter, 1098 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 2223 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 [2024-11-15 14:53:02,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 2223 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-15 14:53:02,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states. [2024-11-15 14:53:02,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 2020. [2024-11-15 14:53:02,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2020 states, 1406 states have (on average 1.3748221906116642) internal successors, (1933), 1496 states have internal predecessors, (1933), 486 states have call successors, (486), 130 states have call predecessors, (486), 127 states have return successors, (566), 454 states have call predecessors, (566), 485 states have call successors, (566) [2024-11-15 14:53:03,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 2020 states and 2985 transitions. [2024-11-15 14:53:03,005 INFO L78 Accepts]: Start accepts. Automaton has 2020 states and 2985 transitions. Word has length 183 [2024-11-15 14:53:03,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 14:53:03,007 INFO L471 AbstractCegarLoop]: Abstraction has 2020 states and 2985 transitions. [2024-11-15 14:53:03,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-11-15 14:53:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2985 transitions. [2024-11-15 14:53:03,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-15 14:53:03,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 14:53:03,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 14:53:03,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-15 14:53:03,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:53:03,211 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 14:53:03,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 14:53:03,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1200881672, now seen corresponding path program 1 times [2024-11-15 14:53:03,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 14:53:03,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127657617] [2024-11-15 14:53:03,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:53:03,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 14:53:03,322 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 14:53:03,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1688090643] [2024-11-15 14:53:03,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:53:03,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:53:03,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:53:03,324 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 14:53:03,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-15 14:53:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 14:53:03,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 14:53:03,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 14:53:04,002 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-15 14:53:04,003 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 14:53:04,003 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 14:53:04,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127657617] [2024-11-15 14:53:04,003 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 14:53:04,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688090643] [2024-11-15 14:53:04,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688090643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 14:53:04,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 14:53:04,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 14:53:04,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428002735] [2024-11-15 14:53:04,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 14:53:04,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 14:53:04,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 14:53:04,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 14:53:04,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:53:04,005 INFO L87 Difference]: Start difference. First operand 2020 states and 2985 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-15 14:53:04,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 14:53:04,297 INFO L93 Difference]: Finished difference Result 5954 states and 9249 transitions. [2024-11-15 14:53:04,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 14:53:04,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 184 [2024-11-15 14:53:04,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 14:53:04,320 INFO L225 Difference]: With dead ends: 5954 [2024-11-15 14:53:04,320 INFO L226 Difference]: Without dead ends: 3983 [2024-11-15 14:53:04,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:53:04,329 INFO L432 NwaCegarLoop]: 1093 mSDtfsCounter, 1104 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 2135 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 [2024-11-15 14:53:04,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 2135 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-15 14:53:04,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3983 states. [2024-11-15 14:53:04,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3983 to 3980. [2024-11-15 14:53:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3980 states, 2778 states have (on average 1.3740100791936645) internal successors, (3817), 2954 states have internal predecessors, (3817), 950 states have call successors, (950), 256 states have call predecessors, (950), 251 states have return successors, (1331), 891 states have call predecessors, (1331), 949 states have call successors, (1331) [2024-11-15 14:53:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 3980 states and 6098 transitions. [2024-11-15 14:53:04,469 INFO L78 Accepts]: Start accepts. Automaton has 3980 states and 6098 transitions. Word has length 184 [2024-11-15 14:53:04,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 14:53:04,470 INFO L471 AbstractCegarLoop]: Abstraction has 3980 states and 6098 transitions. [2024-11-15 14:53:04,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-15 14:53:04,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3980 states and 6098 transitions. [2024-11-15 14:53:04,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-15 14:53:04,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 14:53:04,471 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 14:53:04,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-15 14:53:04,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:53:04,672 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 14:53:04,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 14:53:04,672 INFO L85 PathProgramCache]: Analyzing trace with hash -416420946, now seen corresponding path program 1 times [2024-11-15 14:53:04,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 14:53:04,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203305681] [2024-11-15 14:53:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:53:04,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 14:53:04,866 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 14:53:04,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327333994] [2024-11-15 14:53:04,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:53:04,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:53:04,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:53:04,868 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 14:53:04,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-15 14:53:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 14:53:05,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 14:53:05,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 14:53:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-15 14:53:05,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 14:53:05,598 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 14:53:05,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203305681] [2024-11-15 14:53:05,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 14:53:05,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327333994] [2024-11-15 14:53:05,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327333994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 14:53:05,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 14:53:05,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 14:53:05,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770274348] [2024-11-15 14:53:05,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 14:53:05,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 14:53:05,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 14:53:05,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 14:53:05,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:53:05,602 INFO L87 Difference]: Start difference. First operand 3980 states and 6098 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-15 14:53:06,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 14:53:06,198 INFO L93 Difference]: Finished difference Result 11832 states and 19316 transitions. [2024-11-15 14:53:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 14:53:06,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 185 [2024-11-15 14:53:06,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 14:53:06,255 INFO L225 Difference]: With dead ends: 11832 [2024-11-15 14:53:06,255 INFO L226 Difference]: Without dead ends: 7901 [2024-11-15 14:53:06,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:53:06,281 INFO L432 NwaCegarLoop]: 1094 mSDtfsCounter, 1104 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 2144 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 [2024-11-15 14:53:06,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 2144 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-15 14:53:06,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7901 states. [2024-11-15 14:53:06,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7901 to 7898. [2024-11-15 14:53:06,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7898 states, 5524 states have (on average 1.37237509051412) internal successors, (7581), 5868 states have internal predecessors, (7581), 1874 states have call successors, (1874), 508 states have call predecessors, (1874), 499 states have return successors, (3227), 1765 states have call predecessors, (3227), 1873 states have call successors, (3227) [2024-11-15 14:53:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7898 states to 7898 states and 12682 transitions. [2024-11-15 14:53:06,779 INFO L78 Accepts]: Start accepts. Automaton has 7898 states and 12682 transitions. Word has length 185 [2024-11-15 14:53:06,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 14:53:06,779 INFO L471 AbstractCegarLoop]: Abstraction has 7898 states and 12682 transitions. [2024-11-15 14:53:06,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-15 14:53:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 7898 states and 12682 transitions. [2024-11-15 14:53:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-15 14:53:06,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 14:53:06,783 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 14:53:06,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-15 14:53:06,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:53:06,985 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 14:53:06,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 14:53:06,985 INFO L85 PathProgramCache]: Analyzing trace with hash -495413248, now seen corresponding path program 1 times [2024-11-15 14:53:06,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 14:53:06,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819369255] [2024-11-15 14:53:06,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:53:06,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 14:53:07,155 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 14:53:07,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [884544952] [2024-11-15 14:53:07,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:53:07,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:53:07,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:53:07,157 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 14:53:07,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-15 14:53:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 14:53:07,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 14:53:07,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 14:53:07,882 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-15 14:53:07,882 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 14:53:07,882 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 14:53:07,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819369255] [2024-11-15 14:53:07,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 14:53:07,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884544952] [2024-11-15 14:53:07,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884544952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 14:53:07,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 14:53:07,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 14:53:07,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307202781] [2024-11-15 14:53:07,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 14:53:07,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 14:53:07,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 14:53:07,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 14:53:07,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:53:07,884 INFO L87 Difference]: Start difference. First operand 7898 states and 12682 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) [2024-11-15 14:53:08,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 14:53:08,768 INFO L93 Difference]: Finished difference Result 23542 states and 40855 transitions. [2024-11-15 14:53:08,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 14:53:08,769 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 186 [2024-11-15 14:53:08,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 14:53:08,925 INFO L225 Difference]: With dead ends: 23542 [2024-11-15 14:53:08,925 INFO L226 Difference]: Without dead ends: 15693 [2024-11-15 14:53:08,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:53:08,990 INFO L432 NwaCegarLoop]: 1097 mSDtfsCounter, 1106 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 2147 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 [2024-11-15 14:53:08,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 2147 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-15 14:53:09,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15693 states. [2024-11-15 14:53:09,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15693 to 15690. [2024-11-15 14:53:09,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15690 states, 11000 states have (on average 1.3695454545454546) internal successors, (15065), 11662 states have internal predecessors, (15065), 3694 states have call successors, (3694), 1010 states have call predecessors, (3694), 995 states have return successors, (7954), 3505 states have call predecessors, (7954), 3693 states have call successors, (7954) [2024-11-15 14:53:09,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15690 states to 15690 states and 26713 transitions. [2024-11-15 14:53:09,902 INFO L78 Accepts]: Start accepts. Automaton has 15690 states and 26713 transitions. Word has length 186 [2024-11-15 14:53:09,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 14:53:09,903 INFO L471 AbstractCegarLoop]: Abstraction has 15690 states and 26713 transitions. [2024-11-15 14:53:09,903 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) [2024-11-15 14:53:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 15690 states and 26713 transitions. [2024-11-15 14:53:09,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-15 14:53:09,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 14:53:09,905 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 14:53:09,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-15 14:53:10,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:53:10,111 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 14:53:10,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 14:53:10,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1411398629, now seen corresponding path program 1 times [2024-11-15 14:53:10,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 14:53:10,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070647312] [2024-11-15 14:53:10,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:53:10,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 14:53:10,221 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 14:53:10,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1874548031] [2024-11-15 14:53:10,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:53:10,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:53:10,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:53:10,229 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 14:53:10,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-15 14:53:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 14:53:10,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 14:53:10,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 14:53:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2024-11-15 14:53:13,528 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 14:53:13,528 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 14:53:13,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070647312] [2024-11-15 14:53:13,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 14:53:13,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874548031] [2024-11-15 14:53:13,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874548031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 14:53:13,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 14:53:13,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 14:53:13,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53867096] [2024-11-15 14:53:13,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 14:53:13,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 14:53:13,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 14:53:13,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 14:53:13,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:53:13,622 INFO L87 Difference]: Start difference. First operand 15690 states and 26713 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-15 14:53:14,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 14:53:14,272 INFO L93 Difference]: Finished difference Result 16630 states and 28001 transitions. [2024-11-15 14:53:14,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 14:53:14,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 208 [2024-11-15 14:53:14,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 14:53:14,293 INFO L225 Difference]: With dead ends: 16630 [2024-11-15 14:53:14,294 INFO L226 Difference]: Without dead ends: 0 [2024-11-15 14:53:14,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:53:14,355 INFO L432 NwaCegarLoop]: 1105 mSDtfsCounter, 918 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-15 14:53:14,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 1221 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-15 14:53:14,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-15 14:53:14,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-15 14:53:14,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 14:53:14,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-15 14:53:14,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2024-11-15 14:53:14,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 14:53:14,364 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-15 14:53:14,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-15 14:53:14,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-15 14:53:14,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-15 14:53:14,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-15 14:53:14,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-15 14:53:14,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:53:14,571 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-15 14:53:14,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.