/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 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -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 [2024-11-04 13:32:19,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 13:32:19,077 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 13:32:19,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 13:32:19,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 13:32:19,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 13:32:19,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 13:32:19,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 13:32:19,113 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 13:32:19,113 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 13:32:19,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 13:32:19,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 13:32:19,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 13:32:19,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 13:32:19,118 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 13:32:19,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 13:32:19,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 13:32:19,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 13:32:19,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 13:32:19,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 13:32:19,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 13:32:19,122 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 13:32:19,122 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 13:32:19,123 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 13:32:19,123 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 13:32:19,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 13:32:19,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 13:32:19,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 13:32:19,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 13:32:19,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 13:32:19,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 13:32:19,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 13:32:19,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 13:32:19,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 13:32:19,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 13:32:19,126 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 13:32:19,126 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 13:32:19,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 13:32:19,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 13:32:19,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 13:32:19,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 13:32:19,127 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 13:32:19,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 13:32:19,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 13:32:19,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 13:32:19,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 13:32:19,363 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 13:32:19,364 INFO L431 ainManager$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 [2024-11-04 13:32:20,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 13:32:21,175 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 13:32:21,176 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 [2024-11-04 13:32:21,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149c50dcd/072a19cabd144846aefd16b66029061f/FLAGb395a1e97 [2024-11-04 13:32:21,348 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149c50dcd/072a19cabd144846aefd16b66029061f [2024-11-04 13:32:21,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 13:32:21,352 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 13:32:21,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 13:32:21,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 13:32:21,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 13:32:21,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 01:32:21" (1/1) ... [2024-11-04 13:32:21,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48496073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:21, skipping insertion in model container [2024-11-04 13:32:21,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 01:32:21" (1/1) ... [2024-11-04 13:32:21,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 13:32:22,290 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,309 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,343 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,359 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,359 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,391 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,392 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,395 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,402 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,403 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,408 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,421 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,422 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,423 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,424 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,424 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,425 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,427 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,428 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,429 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,430 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,431 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,432 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,432 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,432 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,433 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,439 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,440 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,442 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,442 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,444 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,446 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,449 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,470 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,480 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,481 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,481 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,482 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,482 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,483 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,483 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,484 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,484 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,484 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,484 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,508 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] [2024-11-04 13:32:22,545 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 13:32:22,571 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 13:32:22,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 13:32:22,726 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,730 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,745 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,746 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,746 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,760 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,761 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,762 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,764 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,764 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,765 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,769 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,769 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,770 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,772 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,773 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,773 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,774 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,775 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,775 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,776 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,778 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,780 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,785 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,786 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,786 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,787 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,787 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,791 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,791 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,793 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,794 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,795 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,803 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,805 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,805 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,806 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,806 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,806 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,808 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,808 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,816 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] [2024-11-04 13:32:22,821 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 13:32:22,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 13:32:22,827 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 13:32:22,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3278] [2024-11-04 13:32:22,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3281] [2024-11-04 13:32:22,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3284] [2024-11-04 13:32:22,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3287] [2024-11-04 13:32:22,895 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] [2024-11-04 13:32:22,989 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/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] [2024-11-04 13:32:22,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 13:32:23,060 INFO L204 MainTranslator]: Completed translation [2024-11-04 13:32:23,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23 WrapperNode [2024-11-04 13:32:23,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 13:32:23,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 13:32:23,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 13:32:23,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 13:32:23,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (1/1) ... [2024-11-04 13:32:23,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (1/1) ... [2024-11-04 13:32:23,230 INFO L138 Inliner]: procedures = 149, calls = 665, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 2008 [2024-11-04 13:32:23,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 13:32:23,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 13:32:23,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 13:32:23,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 13:32:23,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (1/1) ... [2024-11-04 13:32:23,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (1/1) ... [2024-11-04 13:32:23,259 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (1/1) ... [2024-11-04 13:32:23,524 INFO L175 MemorySlicer]: Split 339 memory accesses to 8 slices as follows [2, 6, 292, 1, 9, 2, 3, 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, 138, 0, 2, 2, 3, 24]. [2024-11-04 13:32:23,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (1/1) ... [2024-11-04 13:32:23,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (1/1) ... [2024-11-04 13:32:23,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (1/1) ... [2024-11-04 13:32:23,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (1/1) ... [2024-11-04 13:32:23,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (1/1) ... [2024-11-04 13:32:23,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (1/1) ... [2024-11-04 13:32:23,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 13:32:23,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 13:32:23,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 13:32:23,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 13:32:23,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (1/1) ... [2024-11-04 13:32:23,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 13:32:23,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 13:32:23,712 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) [2024-11-04 13:32:23,714 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 [2024-11-04 13:32:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-04 13:32:23,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-04 13:32:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 13:32:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 13:32:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 13:32:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 13:32:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 13:32:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 13:32:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-04 13:32:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-04 13:32:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 13:32:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 13:32:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 13:32:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 13:32:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 13:32:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 13:32:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 13:32:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-04 13:32:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2024-11-04 13:32:23,741 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2024-11-04 13:32:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-04 13:32:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-04 13:32:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-04 13:32:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-04 13:32:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-04 13:32:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-04 13:32:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-04 13:32:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-04 13:32:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-04 13:32:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-04 13:32:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-04 13:32:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-04 13:32:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-04 13:32:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-04 13:32:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-04 13:32:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-04 13:32:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 13:32:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 13:32:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 13:32:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 13:32:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 13:32:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 13:32:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 13:32:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-04 13:32:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-04 13:32:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-04 13:32:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-04 13:32:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-04 13:32:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-04 13:32:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-04 13:32:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2024-11-04 13:32:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2024-11-04 13:32:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-04 13:32:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-04 13:32:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-04 13:32:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-04 13:32:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-04 13:32:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-04 13:32:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-04 13:32:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-04 13:32:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-04 13:32:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-04 13:32:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-04 13:32:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-04 13:32:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-04 13:32:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-04 13:32:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-04 13:32:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-04 13:32:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-04 13:32:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-04 13:32:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-04 13:32:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-04 13:32:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-04 13:32:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-04 13:32:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2024-11-04 13:32:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2024-11-04 13:32:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2024-11-04 13:32:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2024-11-04 13:32:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2024-11-04 13:32:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2024-11-04 13:32:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2024-11-04 13:32:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2024-11-04 13:32:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-04 13:32:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-04 13:32:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2024-11-04 13:32:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2024-11-04 13:32:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-04 13:32:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-04 13:32:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-04 13:32:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-04 13:32:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 13:32:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 13:32:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 13:32:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 13:32:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 13:32:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 13:32:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 13:32:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-04 13:32:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 13:32:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 13:32:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 13:32:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 13:32:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 13:32:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-04 13:32:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-04 13:32:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-04 13:32:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 13:32:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 13:32:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 13:32:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 13:32:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 13:32:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-04 13:32:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-04 13:32:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-04 13:32:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-04 13:32:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-04 13:32:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 13:32:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 13:32:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2024-11-04 13:32:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2024-11-04 13:32:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 13:32:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-11-04 13:32:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-11-04 13:32:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-04 13:32:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-04 13:32:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-04 13:32:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-04 13:32:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2024-11-04 13:32:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2024-11-04 13:32:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 13:32:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2024-11-04 13:32:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2024-11-04 13:32:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 13:32:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 13:32:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 13:32:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 13:32:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 13:32:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 13:32:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 13:32:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 13:32:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-04 13:32:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-04 13:32:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-04 13:32:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-04 13:32:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-04 13:32:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2024-11-04 13:32:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2024-11-04 13:32:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2024-11-04 13:32:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2024-11-04 13:32:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 13:32:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 13:32:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 13:32:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 13:32:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 13:32:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 13:32:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 13:32:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-04 13:32:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-04 13:32:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-04 13:32:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2024-11-04 13:32:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2024-11-04 13:32:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-04 13:32:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-04 13:32:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2024-11-04 13:32:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2024-11-04 13:32:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-04 13:32:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-04 13:32:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 13:32:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 13:32:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 13:32:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 13:32:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 13:32:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 13:32:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 13:32:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-04 13:32:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 13:32:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 13:32:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 13:32:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 13:32:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 13:32:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 13:32:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-04 13:32:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-04 13:32:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-04 13:32:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-04 13:32:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-04 13:32:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-04 13:32:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-04 13:32:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-04 13:32:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-04 13:32:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-04 13:32:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 13:32:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2024-11-04 13:32:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2024-11-04 13:32:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-04 13:32:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-04 13:32:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 13:32:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 13:32:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 13:32:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 13:32:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 13:32:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 13:32:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 13:32:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-04 13:32:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2024-11-04 13:32:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2024-11-04 13:32:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2024-11-04 13:32:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2024-11-04 13:32:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-04 13:32:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-04 13:32:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2024-11-04 13:32:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2024-11-04 13:32:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2024-11-04 13:32:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2024-11-04 13:32:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-04 13:32:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-04 13:32:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-04 13:32:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-04 13:32:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-04 13:32:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-04 13:32:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-04 13:32:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-04 13:32:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2024-11-04 13:32:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2024-11-04 13:32:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2024-11-04 13:32:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2024-11-04 13:32:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 13:32:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 13:32:24,214 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 13:32:24,219 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 13:32:24,506 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-04 13:33:14,794 INFO L? ?]: Removed 989 outVars from TransFormulas that were not future-live. [2024-11-04 13:33:14,794 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 13:33:14,839 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 13:33:14,839 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-04 13:33:14,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 01:33:14 BoogieIcfgContainer [2024-11-04 13:33:14,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 13:33:14,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 13:33:14,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 13:33:14,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 13:33:14,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 01:32:21" (1/3) ... [2024-11-04 13:33:14,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74845415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 01:33:14, skipping insertion in model container [2024-11-04 13:33:14,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:32:23" (2/3) ... [2024-11-04 13:33:14,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74845415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 01:33:14, skipping insertion in model container [2024-11-04 13:33:14,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 01:33:14" (3/3) ... [2024-11-04 13:33:14,849 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2024-11-04 13:33:14,865 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 13:33:14,865 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 13:33:14,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 13:33:14,968 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;@5d1aa629, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 13:33:14,968 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 13:33:14,976 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) [2024-11-04 13:33:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-04 13:33:14,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 13:33:14,997 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] [2024-11-04 13:33:14,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 13:33:15,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 13:33:15,002 INFO L85 PathProgramCache]: Analyzing trace with hash 644307601, now seen corresponding path program 1 times [2024-11-04 13:33:15,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 13:33:15,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362335751] [2024-11-04 13:33:15,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 13:33:15,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 13:33:15,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 13:33:15,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 13:33:15,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 13:33:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 13:33:15,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 13:33:15,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 13:33:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-04 13:33:15,802 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 13:33:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-11-04 13:33:16,789 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 13:33:16,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362335751] [2024-11-04 13:33:16,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1362335751] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 13:33:16,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 13:33:16,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-04 13:33:16,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743473710] [2024-11-04 13:33:16,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 13:33:16,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 13:33:16,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 13:33:16,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 13:33:16,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 13:33:16,827 INFO L87 Difference]: Start difference. First operand has 768 states, 533 states have (on average 1.3846153846153846) internal successors, (738), 569 states have internal predecessors, (738), 192 states have call successors, (192), 42 states have call predecessors, (192), 41 states have return successors, (188), 178 states have call predecessors, (188), 188 states have call successors, (188) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-04 13:33:16,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 13:33:16,946 INFO L93 Difference]: Finished difference Result 1531 states and 2271 transitions. [2024-11-04 13:33:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 13:33:16,948 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 173 [2024-11-04 13:33:16,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 13:33:16,973 INFO L225 Difference]: With dead ends: 1531 [2024-11-04 13:33:16,974 INFO L226 Difference]: Without dead ends: 751 [2024-11-04 13:33:16,990 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 [2024-11-04 13:33:16,997 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 [2024-11-04 13:33:16,998 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] [2024-11-04 13:33:17,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-04 13:33:17,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2024-11-04 13:33:17,084 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) [2024-11-04 13:33:17,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1092 transitions. [2024-11-04 13:33:17,094 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1092 transitions. Word has length 173 [2024-11-04 13:33:17,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 13:33:17,095 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1092 transitions. [2024-11-04 13:33:17,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-04 13:33:17,096 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1092 transitions. [2024-11-04 13:33:17,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-04 13:33:17,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 13:33:17,099 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] [2024-11-04 13:33:17,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-04 13:33:17,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 13:33:17,300 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 13:33:17,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 13:33:17,301 INFO L85 PathProgramCache]: Analyzing trace with hash 729284101, now seen corresponding path program 1 times [2024-11-04 13:33:17,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 13:33:17,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488074336] [2024-11-04 13:33:17,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 13:33:17,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 13:33:17,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 13:33:17,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 13:33:17,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-04 13:33:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 13:33:17,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 13:33:17,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 13:33:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-04 13:33:18,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 13:33:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-04 13:33:19,379 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 13:33:19,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488074336] [2024-11-04 13:33:19,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1488074336] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 13:33:19,379 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 13:33:19,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 13:33:19,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577218248] [2024-11-04 13:33:19,380 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 13:33:19,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 13:33:19,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 13:33:19,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 13:33:19,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 13:33:19,385 INFO L87 Difference]: Start difference. First operand 751 states and 1092 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-04 13:33:19,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 13:33:19,812 INFO L93 Difference]: Finished difference Result 1757 states and 2538 transitions. [2024-11-04 13:33:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 13:33:19,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 173 [2024-11-04 13:33:19,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 13:33:19,822 INFO L225 Difference]: With dead ends: 1757 [2024-11-04 13:33:19,822 INFO L226 Difference]: Without dead ends: 1045 [2024-11-04 13:33:19,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 13:33:19,825 INFO L432 NwaCegarLoop]: 1152 mSDtfsCounter, 454 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 2154 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-04 13:33:19,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 2154 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-04 13:33:19,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-11-04 13:33:19,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1042. [2024-11-04 13:33:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 722 states have (on average 1.373961218836565) internal successors, (992), 769 states have internal predecessors, (992), 253 states have call successors, (253), 67 states have call predecessors, (253), 66 states have return successors, (252), 237 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-04 13:33:19,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1497 transitions. [2024-11-04 13:33:19,894 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1497 transitions. Word has length 173 [2024-11-04 13:33:19,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 13:33:19,895 INFO L471 AbstractCegarLoop]: Abstraction has 1042 states and 1497 transitions. [2024-11-04 13:33:19,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-04 13:33:19,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1497 transitions. [2024-11-04 13:33:19,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-04 13:33:19,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 13:33:19,898 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 13:33:19,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-04 13:33:20,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 13:33:20,103 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 13:33:20,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 13:33:20,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1343786550, now seen corresponding path program 1 times [2024-11-04 13:33:20,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 13:33:20,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100159442] [2024-11-04 13:33:20,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 13:33:20,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 13:33:20,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 13:33:20,106 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 13:33:20,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-04 13:33:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 13:33:20,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 13:33:20,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 13:33:20,886 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-04 13:33:20,886 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 13:33:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-04 13:33:22,353 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 13:33:22,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100159442] [2024-11-04 13:33:22,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1100159442] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 13:33:22,353 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 13:33:22,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-04 13:33:22,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487749073] [2024-11-04 13:33:22,353 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 13:33:22,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-04 13:33:22,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 13:33:22,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-04 13:33:22,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 13:33:22,355 INFO L87 Difference]: Start difference. First operand 1042 states and 1497 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-04 13:33:26,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 13:33:26,394 INFO L93 Difference]: Finished difference Result 4007 states and 6035 transitions. [2024-11-04 13:33:26,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 13:33:26,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 183 [2024-11-04 13:33:26,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 13:33:26,428 INFO L225 Difference]: With dead ends: 4007 [2024-11-04 13:33:26,428 INFO L226 Difference]: Without dead ends: 3014 [2024-11-04 13:33:26,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 13:33:26,440 INFO L432 NwaCegarLoop]: 1189 mSDtfsCounter, 2138 mSDsluCounter, 2732 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2138 SdHoareTripleChecker+Valid, 3921 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-04 13:33:26,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2138 Valid, 3921 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-04 13:33:26,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3014 states. [2024-11-04 13:33:26,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3014 to 3008. [2024-11-04 13:33:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3008 states, 2098 states have (on average 1.3784556720686367) internal successors, (2892), 2233 states have internal predecessors, (2892), 719 states have call successors, (719), 193 states have call predecessors, (719), 190 states have return successors, (883), 674 states have call predecessors, (883), 718 states have call successors, (883) [2024-11-04 13:33:26,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 3008 states and 4494 transitions. [2024-11-04 13:33:26,674 INFO L78 Accepts]: Start accepts. Automaton has 3008 states and 4494 transitions. Word has length 183 [2024-11-04 13:33:26,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 13:33:26,675 INFO L471 AbstractCegarLoop]: Abstraction has 3008 states and 4494 transitions. [2024-11-04 13:33:26,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-04 13:33:26,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 4494 transitions. [2024-11-04 13:33:26,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-04 13:33:26,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 13:33:26,680 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 13:33:26,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-04 13:33:26,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 13:33:26,881 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 13:33:26,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 13:33:26,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1200881672, now seen corresponding path program 1 times [2024-11-04 13:33:26,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 13:33:26,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329058088] [2024-11-04 13:33:26,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 13:33:26,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 13:33:26,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 13:33:26,883 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 13:33:26,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-04 13:33:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 13:33:27,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 13:33:27,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 13:33:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-04 13:33:27,720 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 13:33:29,038 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-04 13:33:29,039 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 13:33:29,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329058088] [2024-11-04 13:33:29,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1329058088] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 13:33:29,039 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 13:33:29,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-04 13:33:29,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590090032] [2024-11-04 13:33:29,040 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 13:33:29,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-04 13:33:29,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 13:33:29,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-04 13:33:29,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 13:33:29,041 INFO L87 Difference]: Start difference. First operand 3008 states and 4494 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-04 13:33:33,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 13:33:33,283 INFO L93 Difference]: Finished difference Result 11861 states and 18931 transitions. [2024-11-04 13:33:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 13:33:33,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 184 [2024-11-04 13:33:33,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 13:33:33,362 INFO L225 Difference]: With dead ends: 11861 [2024-11-04 13:33:33,362 INFO L226 Difference]: Without dead ends: 8902 [2024-11-04 13:33:33,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 13:33:33,390 INFO L432 NwaCegarLoop]: 1109 mSDtfsCounter, 2145 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2145 SdHoareTripleChecker+Valid, 3843 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-04 13:33:33,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2145 Valid, 3843 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-04 13:33:33,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8902 states. [2024-11-04 13:33:33,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8902 to 8896. [2024-11-04 13:33:33,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8896 states, 6224 states have (on average 1.3775706940874035) internal successors, (8574), 6615 states have internal predecessors, (8574), 2109 states have call successors, (2109), 571 states have call predecessors, (2109), 562 states have return successors, (3310), 1985 states have call predecessors, (3310), 2108 states have call successors, (3310) [2024-11-04 13:33:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8896 states to 8896 states and 13993 transitions. [2024-11-04 13:33:33,986 INFO L78 Accepts]: Start accepts. Automaton has 8896 states and 13993 transitions. Word has length 184 [2024-11-04 13:33:33,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 13:33:33,988 INFO L471 AbstractCegarLoop]: Abstraction has 8896 states and 13993 transitions. [2024-11-04 13:33:33,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-04 13:33:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 8896 states and 13993 transitions. [2024-11-04 13:33:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-04 13:33:33,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 13:33:33,992 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 13:33:34,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-04 13:33:34,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 13:33:34,193 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 13:33:34,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 13:33:34,194 INFO L85 PathProgramCache]: Analyzing trace with hash -416420946, now seen corresponding path program 1 times [2024-11-04 13:33:34,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 13:33:34,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354432606] [2024-11-04 13:33:34,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 13:33:34,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 13:33:34,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 13:33:34,195 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 13:33:34,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-04 13:33:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 13:33:34,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 13:33:34,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 13:33:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-04 13:33:35,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 13:33:36,161 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-04 13:33:36,161 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 13:33:36,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354432606] [2024-11-04 13:33:36,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1354432606] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 13:33:36,162 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 13:33:36,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-04 13:33:36,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563473169] [2024-11-04 13:33:36,162 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 13:33:36,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-04 13:33:36,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 13:33:36,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-04 13:33:36,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 13:33:36,163 INFO L87 Difference]: Start difference. First operand 8896 states and 13993 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-04 13:33:41,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 13:33:41,483 INFO L93 Difference]: Finished difference Result 35389 states and 60847 transitions. [2024-11-04 13:33:41,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 13:33:41,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 185 [2024-11-04 13:33:41,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 13:33:41,862 INFO L225 Difference]: With dead ends: 35389 [2024-11-04 13:33:41,862 INFO L226 Difference]: Without dead ends: 26542 [2024-11-04 13:33:41,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 13:33:41,938 INFO L432 NwaCegarLoop]: 1104 mSDtfsCounter, 2846 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2846 SdHoareTripleChecker+Valid, 2842 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-04 13:33:41,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2846 Valid, 2842 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [409 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-04 13:33:41,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26542 states. [2024-11-04 13:33:43,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26542 to 26536. [2024-11-04 13:33:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26536 states, 18602 states have (on average 1.37512095473605) internal successors, (25580), 19737 states have internal predecessors, (25580), 6255 states have call successors, (6255), 1705 states have call predecessors, (6255), 1678 states have return successors, (12907), 5918 states have call predecessors, (12907), 6254 states have call successors, (12907) [2024-11-04 13:33:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26536 states to 26536 states and 44742 transitions. [2024-11-04 13:33:44,063 INFO L78 Accepts]: Start accepts. Automaton has 26536 states and 44742 transitions. Word has length 185 [2024-11-04 13:33:44,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 13:33:44,064 INFO L471 AbstractCegarLoop]: Abstraction has 26536 states and 44742 transitions. [2024-11-04 13:33:44,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-04 13:33:44,065 INFO L276 IsEmpty]: Start isEmpty. Operand 26536 states and 44742 transitions. [2024-11-04 13:33:44,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-04 13:33:44,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 13:33:44,067 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 13:33:44,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-04 13:33:44,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 13:33:44,268 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 13:33:44,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 13:33:44,269 INFO L85 PathProgramCache]: Analyzing trace with hash -495413248, now seen corresponding path program 1 times [2024-11-04 13:33:44,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 13:33:44,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990932114] [2024-11-04 13:33:44,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 13:33:44,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 13:33:44,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 13:33:44,271 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 13:33:44,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process