/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 12:24:07,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 12:24:07,159 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 12:24:07,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 12:24:07,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 12:24:07,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 12:24:07,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 12:24:07,195 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 12:24:07,195 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 12:24:07,195 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 12:24:07,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 12:24:07,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 12:24:07,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 12:24:07,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 12:24:07,197 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 12:24:07,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 12:24:07,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 12:24:07,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 12:24:07,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 12:24:07,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 12:24:07,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 12:24:07,203 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 12:24:07,203 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 12:24:07,203 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 12:24:07,204 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 12:24:07,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 12:24:07,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 12:24:07,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 12:24:07,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 12:24:07,205 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 12:24:07,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 12:24:07,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 12:24:07,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 12:24:07,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 12:24:07,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 12:24:07,206 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 12:24:07,206 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 12:24:07,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 12:24:07,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 12:24:07,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 12:24:07,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 12:24:07,209 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 12:24:07,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 12:24:07,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 12:24:07,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 12:24:07,462 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 12:24:07,462 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 12:24:07,463 INFO L431 ainManager$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 [2024-11-05 12:24:08,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 12:24:09,269 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 12:24:09,270 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 [2024-11-05 12:24:09,301 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16e82203/66c24074827e4410b7e437987af2737b/FLAG8f727b5a1 [2024-11-05 12:24:09,471 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16e82203/66c24074827e4410b7e437987af2737b [2024-11-05 12:24:09,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 12:24:09,476 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 12:24:09,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 12:24:09,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 12:24:09,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 12:24:09,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 12:24:09" (1/1) ... [2024-11-05 12:24:09,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e816067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:09, skipping insertion in model container [2024-11-05 12:24:09,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 12:24:09" (1/1) ... [2024-11-05 12:24:09,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 12:24:10,513 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,540 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,565 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,571 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,572 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,624 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,625 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,627 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,630 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,631 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,634 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,643 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,644 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,645 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,645 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,646 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,646 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,651 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,655 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,656 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,657 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,658 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,658 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,659 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,659 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,660 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,664 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,664 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,664 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,665 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,666 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,668 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,669 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,670 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,673 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,675 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,693 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,702 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,702 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,702 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,703 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,703 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,704 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,704 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,704 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,707 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,707 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,708 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,727 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] [2024-11-05 12:24:10,771 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 12:24:10,796 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 12:24:10,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 12:24:10,912 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,919 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,938 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,943 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,944 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,963 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,968 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,969 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,975 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,976 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,980 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,987 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,990 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,991 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,992 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,992 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,992 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,995 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,996 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,997 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,998 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,998 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,999 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,999 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:10,999 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,000 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,007 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,007 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,008 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,012 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,013 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,014 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,014 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,019 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,021 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,031 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,041 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,047 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,047 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,048 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,048 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,052 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,053 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,053 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,053 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,054 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,054 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,054 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,066 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] [2024-11-05 12:24:11,071 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 12:24:11,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 12:24:11,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 12:24:11,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3278] [2024-11-05 12:24:11,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3281] [2024-11-05 12:24:11,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3284] [2024-11-05 12:24:11,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3287] [2024-11-05 12:24:11,170 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] [2024-11-05 12:24:11,270 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] [2024-11-05 12:24:11,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 12:24:11,363 INFO L204 MainTranslator]: Completed translation [2024-11-05 12:24:11,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11 WrapperNode [2024-11-05 12:24:11,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 12:24:11,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 12:24:11,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 12:24:11,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 12:24:11,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (1/1) ... [2024-11-05 12:24:11,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (1/1) ... [2024-11-05 12:24:11,555 INFO L138 Inliner]: procedures = 149, calls = 665, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 2008 [2024-11-05 12:24:11,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 12:24:11,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 12:24:11,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 12:24:11,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 12:24:11,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (1/1) ... [2024-11-05 12:24:11,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (1/1) ... [2024-11-05 12:24:11,599 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (1/1) ... [2024-11-05 12:24:11,886 INFO L175 MemorySlicer]: Split 339 memory accesses to 8 slices as follows [2, 6, 3, 2, 9, 292, 1, 24]. 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, 3, 2, 2, 138, 0, 24]. [2024-11-05 12:24:11,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (1/1) ... [2024-11-05 12:24:11,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (1/1) ... [2024-11-05 12:24:11,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (1/1) ... [2024-11-05 12:24:12,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (1/1) ... [2024-11-05 12:24:12,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (1/1) ... [2024-11-05 12:24:12,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (1/1) ... [2024-11-05 12:24:12,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 12:24:12,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 12:24:12,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 12:24:12,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 12:24:12,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (1/1) ... [2024-11-05 12:24:12,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 12:24:12,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 12:24:12,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 12:24:12,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 12:24:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-05 12:24:12,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 12:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 12:24:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 12:24:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 12:24:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 12:24:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2024-11-05 12:24:12,162 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2024-11-05 12:24:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 12:24:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 12:24:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 12:24:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 12:24:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 12:24:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 12:24:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 12:24:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 12:24:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 12:24:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 12:24:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 12:24:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 12:24:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 12:24:12,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 12:24:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-05 12:24:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-05 12:24:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-05 12:24:12,167 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-05 12:24:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2024-11-05 12:24:12,169 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2024-11-05 12:24:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-05 12:24:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-05 12:24:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-05 12:24:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-05 12:24:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-05 12:24:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-05 12:24:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-05 12:24:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-05 12:24:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-05 12:24:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-05 12:24:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-05 12:24:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-05 12:24:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-05 12:24:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-05 12:24:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-05 12:24:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-05 12:24:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-05 12:24:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-05 12:24:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-05 12:24:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-05 12:24:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 12:24:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 12:24:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2024-11-05 12:24:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2024-11-05 12:24:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2024-11-05 12:24:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2024-11-05 12:24:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2024-11-05 12:24:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2024-11-05 12:24:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2024-11-05 12:24:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2024-11-05 12:24:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 12:24:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 12:24:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2024-11-05 12:24:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2024-11-05 12:24:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-05 12:24:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-05 12:24:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 12:24:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 12:24:12,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 12:24:12,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 12:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 12:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 12:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 12:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 12:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 12:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 12:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 12:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 12:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 12:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 12:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 12:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 12:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 12:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-05 12:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 12:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 12:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 12:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 12:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 12:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 12:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 12:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-05 12:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-05 12:24:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-05 12:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 12:24:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 12:24:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2024-11-05 12:24:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2024-11-05 12:24:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 12:24:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-11-05 12:24:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-11-05 12:24:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-05 12:24:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-05 12:24:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-05 12:24:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-05 12:24:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2024-11-05 12:24:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2024-11-05 12:24:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 12:24:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2024-11-05 12:24:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2024-11-05 12:24:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 12:24:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 12:24:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 12:24:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 12:24:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 12:24:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 12:24:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 12:24:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 12:24:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 12:24:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-05 12:24:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-05 12:24:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-05 12:24:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-05 12:24:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-05 12:24:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-05 12:24:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-05 12:24:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-05 12:24:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-05 12:24:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-05 12:24:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-05 12:24:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-05 12:24:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-05 12:24:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-05 12:24:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-05 12:24:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-05 12:24:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2024-11-05 12:24:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2024-11-05 12:24:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2024-11-05 12:24:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2024-11-05 12:24:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 12:24:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 12:24:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 12:24:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 12:24:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 12:24:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 12:24:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 12:24:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 12:24:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-05 12:24:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-05 12:24:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2024-11-05 12:24:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2024-11-05 12:24:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-05 12:24:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-05 12:24:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2024-11-05 12:24:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2024-11-05 12:24:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-05 12:24:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-05 12:24:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 12:24:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 12:24:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 12:24:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 12:24:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 12:24:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 12:24:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 12:24:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 12:24:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 12:24:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 12:24:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 12:24:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2024-11-05 12:24:12,188 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 12:24:12,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 12:24:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 12:24:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 12:24:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 12:24:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 12:24:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 12:24:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 12:24:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 12:24:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 12:24:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2024-11-05 12:24:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2024-11-05 12:24:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2024-11-05 12:24:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2024-11-05 12:24:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-05 12:24:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-05 12:24:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2024-11-05 12:24:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2024-11-05 12:24:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2024-11-05 12:24:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2024-11-05 12:24:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-05 12:24:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-05 12:24:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-05 12:24:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-05 12:24:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-05 12:24:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-05 12:24:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-05 12:24:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-05 12:24:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2024-11-05 12:24:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2024-11-05 12:24:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2024-11-05 12:24:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2024-11-05 12:24:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 12:24:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 12:24:12,728 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 12:24:12,733 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 12:24:13,026 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 12:25:05,790 INFO L? ?]: Removed 989 outVars from TransFormulas that were not future-live. [2024-11-05 12:25:05,791 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 12:25:05,840 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 12:25:05,841 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 12:25:05,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 12:25:05 BoogieIcfgContainer [2024-11-05 12:25:05,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 12:25:05,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 12:25:05,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 12:25:05,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 12:25:05,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 12:24:09" (1/3) ... [2024-11-05 12:25:05,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4fd620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 12:25:05, skipping insertion in model container [2024-11-05 12:25:05,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:24:11" (2/3) ... [2024-11-05 12:25:05,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4fd620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 12:25:05, skipping insertion in model container [2024-11-05 12:25:05,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 12:25:05" (3/3) ... [2024-11-05 12:25:05,854 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2024-11-05 12:25:05,871 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 12:25:05,871 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 12:25:05,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 12:25:05,987 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;@65d53172, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 12:25:05,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 12:25:05,999 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) [2024-11-05 12:25:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-05 12:25:06,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 12:25:06,021 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] [2024-11-05 12:25:06,022 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 12:25:06,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 12:25:06,028 INFO L85 PathProgramCache]: Analyzing trace with hash 644307601, now seen corresponding path program 1 times [2024-11-05 12:25:06,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 12:25:06,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152565251] [2024-11-05 12:25:06,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 12:25:06,041 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 12:25:06,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:06,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 12:25:06,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 12:25:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 12:25:06,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 12:25:06,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 12:25:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-05 12:25:06,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 12:25:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-11-05 12:25:08,117 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 12:25:08,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152565251] [2024-11-05 12:25:08,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1152565251] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 12:25:08,118 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 12:25:08,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 12:25:08,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83166455] [2024-11-05 12:25:08,121 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 12:25:08,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 12:25:08,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 12:25:08,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 12:25:08,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 12:25:08,152 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 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 12:25:08,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 12:25:08,278 INFO L93 Difference]: Finished difference Result 1531 states and 2271 transitions. [2024-11-05 12:25:08,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 12:25:08,282 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 173 [2024-11-05 12:25:08,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 12:25:08,302 INFO L225 Difference]: With dead ends: 1531 [2024-11-05 12:25:08,302 INFO L226 Difference]: Without dead ends: 751 [2024-11-05 12:25:08,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 12:25:08,315 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 [2024-11-05 12:25:08,316 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] [2024-11-05 12:25:08,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-05 12:25:08,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2024-11-05 12:25:08,417 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) [2024-11-05 12:25:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1092 transitions. [2024-11-05 12:25:08,432 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1092 transitions. Word has length 173 [2024-11-05 12:25:08,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 12:25:08,433 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1092 transitions. [2024-11-05 12:25:08,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 12:25:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1092 transitions. [2024-11-05 12:25:08,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-05 12:25:08,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 12:25:08,438 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] [2024-11-05 12:25:08,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 12:25:08,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:08,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 12:25:08,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 12:25:08,644 INFO L85 PathProgramCache]: Analyzing trace with hash 729284101, now seen corresponding path program 1 times [2024-11-05 12:25:08,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 12:25:08,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [696610391] [2024-11-05 12:25:08,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 12:25:08,644 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 12:25:08,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:08,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 12:25:08,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 12:25:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 12:25:09,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 12:25:09,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 12:25:09,451 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-05 12:25:09,451 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 12:25:10,942 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-05 12:25:10,942 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 12:25:10,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [696610391] [2024-11-05 12:25:10,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [696610391] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 12:25:10,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 12:25:10,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-05 12:25:10,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493431706] [2024-11-05 12:25:10,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 12:25:10,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 12:25:10,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 12:25:10,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 12:25:10,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 12:25:10,946 INFO L87 Difference]: Start difference. First operand 751 states and 1092 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 12:25:11,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 12:25:11,185 INFO L93 Difference]: Finished difference Result 1482 states and 2158 transitions. [2024-11-05 12:25:11,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 12:25:11,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 173 [2024-11-05 12:25:11,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 12:25:11,194 INFO L225 Difference]: With dead ends: 1482 [2024-11-05 12:25:11,194 INFO L226 Difference]: Without dead ends: 752 [2024-11-05 12:25:11,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 12:25:11,198 INFO L432 NwaCegarLoop]: 1090 mSDtfsCounter, 0 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3258 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 12:25:11,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3258 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 12:25:11,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2024-11-05 12:25:11,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2024-11-05 12:25:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 524 states have (on average 1.3740458015267176) internal successors, (720), 554 states have internal predecessors, (720), 187 states have call successors, (187), 41 states have call predecessors, (187), 40 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 12:25:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1093 transitions. [2024-11-05 12:25:11,238 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1093 transitions. Word has length 173 [2024-11-05 12:25:11,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 12:25:11,238 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1093 transitions. [2024-11-05 12:25:11,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 12:25:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1093 transitions. [2024-11-05 12:25:11,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-05 12:25:11,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 12:25:11,245 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 12:25:11,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 12:25:11,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:11,446 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 12:25:11,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 12:25:11,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1618973394, now seen corresponding path program 1 times [2024-11-05 12:25:11,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 12:25:11,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954843756] [2024-11-05 12:25:11,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 12:25:11,448 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 12:25:11,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:11,450 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 12:25:11,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 12:25:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 12:25:12,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 12:25:12,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 12:25:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-05 12:25:12,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 12:25:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-05 12:25:14,312 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 12:25:14,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954843756] [2024-11-05 12:25:14,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1954843756] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 12:25:14,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 12:25:14,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-05 12:25:14,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884373213] [2024-11-05 12:25:14,313 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 12:25:14,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 12:25:14,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 12:25:14,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 12:25:14,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-05 12:25:14,315 INFO L87 Difference]: Start difference. First operand 752 states and 1093 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 12:25:15,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 12:25:15,432 INFO L93 Difference]: Finished difference Result 1493 states and 2174 transitions. [2024-11-05 12:25:15,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 12:25:15,434 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 178 [2024-11-05 12:25:15,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 12:25:15,445 INFO L225 Difference]: With dead ends: 1493 [2024-11-05 12:25:15,445 INFO L226 Difference]: Without dead ends: 762 [2024-11-05 12:25:15,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-05 12:25:15,454 INFO L432 NwaCegarLoop]: 1087 mSDtfsCounter, 4 mSDsluCounter, 3244 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-05 12:25:15,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4331 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-05 12:25:15,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2024-11-05 12:25:15,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 762. [2024-11-05 12:25:15,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 533 states have (on average 1.3733583489681052) internal successors, (732), 563 states have internal predecessors, (732), 187 states have call successors, (187), 42 states have call predecessors, (187), 41 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 12:25:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1105 transitions. [2024-11-05 12:25:15,507 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1105 transitions. Word has length 178 [2024-11-05 12:25:15,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 12:25:15,509 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 1105 transitions. [2024-11-05 12:25:15,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 12:25:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1105 transitions. [2024-11-05 12:25:15,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-05 12:25:15,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 12:25:15,514 INFO L215 NwaCegarLoop]: trace histogram [14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 12:25:15,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-05 12:25:15,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:15,714 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 12:25:15,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 12:25:15,715 INFO L85 PathProgramCache]: Analyzing trace with hash -523731931, now seen corresponding path program 2 times [2024-11-05 12:25:15,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 12:25:15,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099993586] [2024-11-05 12:25:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 12:25:15,716 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 12:25:15,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:15,719 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 12:25:15,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 12:25:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 12:25:16,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 12:25:16,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 12:25:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-05 12:25:16,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 12:25:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-11-05 12:25:18,960 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 12:25:18,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099993586] [2024-11-05 12:25:18,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1099993586] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 12:25:18,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 12:25:18,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 12:25:18,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172757591] [2024-11-05 12:25:18,960 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 12:25:18,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 12:25:18,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 12:25:18,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 12:25:18,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-05 12:25:18,962 INFO L87 Difference]: Start difference. First operand 762 states and 1105 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 12:25:20,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 12:25:20,588 INFO L93 Difference]: Finished difference Result 1508 states and 2190 transitions. [2024-11-05 12:25:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-05 12:25:20,589 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 187 [2024-11-05 12:25:20,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 12:25:20,596 INFO L225 Difference]: With dead ends: 1508 [2024-11-05 12:25:20,596 INFO L226 Difference]: Without dead ends: 766 [2024-11-05 12:25:20,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-05 12:25:20,602 INFO L432 NwaCegarLoop]: 1087 mSDtfsCounter, 6 mSDsluCounter, 5409 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6496 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-05 12:25:20,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6496 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-05 12:25:20,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-11-05 12:25:20,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 766. [2024-11-05 12:25:20,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 537 states have (on average 1.366852886405959) internal successors, (734), 567 states have internal predecessors, (734), 187 states have call successors, (187), 42 states have call predecessors, (187), 41 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 12:25:20,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1107 transitions. [2024-11-05 12:25:20,646 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1107 transitions. Word has length 187 [2024-11-05 12:25:20,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 12:25:20,648 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1107 transitions. [2024-11-05 12:25:20,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 12:25:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1107 transitions. [2024-11-05 12:25:20,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-05 12:25:20,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 12:25:20,651 INFO L215 NwaCegarLoop]: trace histogram [26, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 12:25:20,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-05 12:25:20,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:20,852 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 12:25:20,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 12:25:20,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1754091109, now seen corresponding path program 3 times [2024-11-05 12:25:20,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 12:25:20,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078631942] [2024-11-05 12:25:20,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 12:25:20,854 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 12:25:20,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:20,856 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 12:25:20,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 12:25:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 12:25:21,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-05 12:25:21,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 12:25:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 290 proven. 21 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-11-05 12:25:22,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 12:25:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 38 proven. 163 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-11-05 12:25:25,878 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 12:25:25,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078631942] [2024-11-05 12:25:25,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1078631942] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 12:25:25,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 12:25:25,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-05 12:25:25,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810108882] [2024-11-05 12:25:25,878 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 12:25:25,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-05 12:25:25,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 12:25:25,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-05 12:25:25,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-05 12:25:25,881 INFO L87 Difference]: Start difference. First operand 766 states and 1107 transitions. Second operand has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 12:25:28,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 12:25:28,943 INFO L93 Difference]: Finished difference Result 1518 states and 2199 transitions. [2024-11-05 12:25:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-05 12:25:28,944 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 199 [2024-11-05 12:25:28,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 12:25:28,950 INFO L225 Difference]: With dead ends: 1518 [2024-11-05 12:25:28,951 INFO L226 Difference]: Without dead ends: 770 [2024-11-05 12:25:28,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-05 12:25:28,956 INFO L432 NwaCegarLoop]: 1087 mSDtfsCounter, 9 mSDsluCounter, 11896 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12983 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-05 12:25:28,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12983 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-05 12:25:28,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2024-11-05 12:25:28,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 770. [2024-11-05 12:25:28,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 541 states have (on average 1.365988909426987) internal successors, (739), 571 states have internal predecessors, (739), 187 states have call successors, (187), 42 states have call predecessors, (187), 41 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 12:25:28,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1112 transitions. [2024-11-05 12:25:28,992 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1112 transitions. Word has length 199 [2024-11-05 12:25:28,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 12:25:28,993 INFO L471 AbstractCegarLoop]: Abstraction has 770 states and 1112 transitions. [2024-11-05 12:25:28,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 12:25:28,993 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1112 transitions. [2024-11-05 12:25:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-05 12:25:28,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 12:25:28,997 INFO L215 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 12:25:29,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-05 12:25:29,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:29,198 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 12:25:29,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 12:25:29,199 INFO L85 PathProgramCache]: Analyzing trace with hash 390865797, now seen corresponding path program 4 times [2024-11-05 12:25:29,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 12:25:29,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267998279] [2024-11-05 12:25:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 12:25:29,200 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 12:25:29,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:29,202 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 12:25:29,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 12:25:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 12:25:29,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 12:25:29,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 12:25:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 12:25:29,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 12:25:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 12:25:31,413 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 12:25:31,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267998279] [2024-11-05 12:25:31,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [267998279] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 12:25:31,413 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 12:25:31,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 12:25:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267776508] [2024-11-05 12:25:31,414 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 12:25:31,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 12:25:31,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 12:25:31,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 12:25:31,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 12:25:31,415 INFO L87 Difference]: Start difference. First operand 770 states and 1112 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-05 12:25:31,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 12:25:31,915 INFO L93 Difference]: Finished difference Result 1776 states and 2558 transitions. [2024-11-05 12:25:31,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 12:25:31,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 205 [2024-11-05 12:25:31,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 12:25:31,926 INFO L225 Difference]: With dead ends: 1776 [2024-11-05 12:25:31,926 INFO L226 Difference]: Without dead ends: 1064 [2024-11-05 12:25:31,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 12:25:31,933 INFO L432 NwaCegarLoop]: 1152 mSDtfsCounter, 454 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-11-05 12:25:31,933 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] [2024-11-05 12:25:31,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-05 12:25:31,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1061. [2024-11-05 12:25:31,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 740 states have (on average 1.3675675675675676) internal successors, (1012), 787 states have internal predecessors, (1012), 253 states have call successors, (253), 68 states have call predecessors, (253), 67 states have return successors, (252), 237 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-05 12:25:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1517 transitions. [2024-11-05 12:25:31,999 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1517 transitions. Word has length 205 [2024-11-05 12:25:32,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 12:25:32,000 INFO L471 AbstractCegarLoop]: Abstraction has 1061 states and 1517 transitions. [2024-11-05 12:25:32,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-05 12:25:32,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1517 transitions. [2024-11-05 12:25:32,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-05 12:25:32,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 12:25:32,004 INFO L215 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 12:25:32,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Forceful destruction successful, exit code 0 [2024-11-05 12:25:32,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:32,205 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 12:25:32,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 12:25:32,206 INFO L85 PathProgramCache]: Analyzing trace with hash 52155318, now seen corresponding path program 1 times [2024-11-05 12:25:32,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 12:25:32,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788131143] [2024-11-05 12:25:32,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 12:25:32,206 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 12:25:32,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 12:25:32,208 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 12:25:32,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 12:25:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 12:25:32,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 12:25:32,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 12:25:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 12:25:33,064 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 12:25:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 12:25:34,586 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 12:25:34,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788131143] [2024-11-05 12:25:34,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1788131143] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 12:25:34,586 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 12:25:34,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 12:25:34,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445099400] [2024-11-05 12:25:34,587 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 12:25:34,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 12:25:34,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 12:25:34,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 12:25:34,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 12:25:34,588 INFO L87 Difference]: Start difference. First operand 1061 states and 1517 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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)