/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 11:33:44,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:33:44,520 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 11:33:44,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:33:44,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:33:44,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:33:44,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:33:44,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:33:44,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:33:44,553 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:33:44,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:33:44,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:33:44,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:33:44,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:33:44,554 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:33:44,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:33:44,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:33:44,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:33:44,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:33:44,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:33:44,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:33:44,559 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:33:44,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:33:44,560 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:33:44,560 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:33:44,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:33:44,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:33:44,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:33:44,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:33:44,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:33:44,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:33:44,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:33:44,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:33:44,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:33:44,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:33:44,562 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:33:44,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:33:44,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:33:44,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:33:44,563 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:33:44,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:33:44,563 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:33:44,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:33:44,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:33:44,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:33:44,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:33:44,828 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:33:44,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-11-05 11:33:46,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:33:46,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:33:46,715 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-11-05 11:33:46,756 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ddee40e3/d33faa7b0c844cc7b3332f4daabd1566/FLAG6252d7652 [2024-11-05 11:33:46,779 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ddee40e3/d33faa7b0c844cc7b3332f4daabd1566 [2024-11-05 11:33:46,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:33:46,782 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:33:46,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:33:46,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:33:46,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:33:46,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:33:46" (1/1) ... [2024-11-05 11:33:46,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9b3520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:46, skipping insertion in model container [2024-11-05 11:33:46,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:33:46" (1/1) ... [2024-11-05 11:33:46,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:33:47,712 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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2024-11-05 11:33:47,740 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,743 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,745 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,749 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,753 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,811 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,815 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,816 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,830 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,831 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,832 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,833 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,834 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,834 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,839 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,847 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,855 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,856 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,889 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,893 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,894 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,899 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,899 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,899 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,900 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,945 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,975 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:47,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:33:48,016 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 11:33:48,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:33:48,214 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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2024-11-05 11:33:48,215 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,217 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,218 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,218 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,224 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,227 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,228 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,232 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,233 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,233 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,239 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,239 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,240 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,245 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,253 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,260 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,261 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,268 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,269 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,269 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,270 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,271 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,271 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,271 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,289 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,296 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:33:48,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:33:48,313 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:33:48,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] [2024-11-05 11:33:48,441 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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2024-11-05 11:33:48,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:33:48,545 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:33:48,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48 WrapperNode [2024-11-05 11:33:48,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:33:48,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:33:48,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:33:48,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:33:48,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (1/1) ... [2024-11-05 11:33:48,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (1/1) ... [2024-11-05 11:33:48,658 INFO L138 Inliner]: procedures = 139, calls = 382, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 1112 [2024-11-05 11:33:48,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:33:48,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:33:48,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:33:48,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:33:48,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (1/1) ... [2024-11-05 11:33:48,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (1/1) ... [2024-11-05 11:33:48,699 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (1/1) ... [2024-11-05 11:33:48,828 INFO L175 MemorySlicer]: Split 232 memory accesses to 10 slices as follows [2, 8, 3, 8, 19, 18, 7, 2, 121, 44]. 52 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [2, 8, 0, 8, 0, 15, 0, 0, 34, 0]. The 97 writes are split as follows [0, 0, 1, 0, 19, 1, 6, 1, 25, 44]. [2024-11-05 11:33:48,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (1/1) ... [2024-11-05 11:33:48,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (1/1) ... [2024-11-05 11:33:48,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (1/1) ... [2024-11-05 11:33:48,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (1/1) ... [2024-11-05 11:33:48,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (1/1) ... [2024-11-05 11:33:48,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (1/1) ... [2024-11-05 11:33:48,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:33:48,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:33:48,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:33:48,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:33:48,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (1/1) ... [2024-11-05 11:33:48,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:33:49,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:33:49,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 11:33:49,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 11:33:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 11:33:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 11:33:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 11:33:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 11:33:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 11:33:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 11:33:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 11:33:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-05 11:33:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-05 11:33:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-05 11:33:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 11:33:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 11:33:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 11:33:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 11:33:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 11:33:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 11:33:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 11:33:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 11:33:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 11:33:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-05 11:33:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 11:33:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 11:33:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 11:33:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 11:33:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 11:33:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 11:33:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 11:33:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 11:33:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 11:33:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-05 11:33:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-05 11:33:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-05 11:33:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-05 11:33:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-05 11:33:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-05 11:33:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-05 11:33:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-05 11:33:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-05 11:33:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-05 11:33:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-05 11:33:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-05 11:33:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-05 11:33:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-05 11:33:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-05 11:33:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-05 11:33:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-05 11:33:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-05 11:33:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-05 11:33:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-05 11:33:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-05 11:33:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:33:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:33:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:33:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 11:33:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 11:33:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 11:33:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 11:33:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 11:33:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 11:33:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-05 11:33:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 11:33:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 11:33:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-05 11:33:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-05 11:33:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-05 11:33:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-05 11:33:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2024-11-05 11:33:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2024-11-05 11:33:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-05 11:33:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-05 11:33:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 11:33:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 11:33:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-05 11:33:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-05 11:33:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:33:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:33:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-05 11:33:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-05 11:33:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 11:33:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 11:33:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 11:33:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 11:33:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 11:33:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 11:33:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 11:33:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 11:33:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-05 11:33:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-05 11:33:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-05 11:33:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-05 11:33:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-05 11:33:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-05 11:33:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-05 11:33:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-05 11:33:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-05 11:33:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-05 11:33:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-05 11:33:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-05 11:33:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 11:33:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 11:33:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 11:33:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 11:33:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 11:33:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 11:33:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 11:33:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-05 11:33:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-05 11:33:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-05 11:33:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 11:33:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 11:33:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 11:33:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 11:33:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 11:33:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 11:33:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 11:33:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-05 11:33:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-05 11:33:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-05 11:33:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-05 11:33:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-05 11:33:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2024-11-05 11:33:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2024-11-05 11:33:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-05 11:33:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-05 11:33:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-05 11:33:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-05 11:33:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-05 11:33:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-05 11:33:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-05 11:33:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-05 11:33:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-05 11:33:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-05 11:33:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-05 11:33:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-05 11:33:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-05 11:33:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-05 11:33:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-05 11:33:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-05 11:33:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-05 11:33:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-05 11:33:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-05 11:33:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-05 11:33:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 11:33:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 11:33:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2024-11-05 11:33:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2024-11-05 11:33:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 11:33:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-11-05 11:33:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-11-05 11:33:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-05 11:33:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-05 11:33:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:33:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 11:33:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:33:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:33:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:33:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 11:33:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-05 11:33:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-05 11:33:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-05 11:33:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-05 11:33:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-05 11:33:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-05 11:33:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-05 11:33:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-05 11:33:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-05 11:33:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-05 11:33:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-05 11:33:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-05 11:33:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-05 11:33:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-05 11:33:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-05 11:33:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-05 11:33:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-05 11:33:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-05 11:33:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-05 11:33:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-05 11:33:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-05 11:33:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-05 11:33:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-05 11:33:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-05 11:33:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:33:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:33:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:33:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 11:33:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 11:33:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 11:33:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 11:33:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 11:33:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 11:33:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-05 11:33:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-05 11:33:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-05 11:33:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-05 11:33:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-05 11:33:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 11:33:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 11:33:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 11:33:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 11:33:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 11:33:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 11:33:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 11:33:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 11:33:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-05 11:33:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-05 11:33:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 11:33:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 11:33:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 11:33:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 11:33:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 11:33:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 11:33:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 11:33:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 11:33:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-05 11:33:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-05 11:33:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-05 11:33:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-05 11:33:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-05 11:33:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 11:33:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-05 11:33:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-05 11:33:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-05 11:33:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-05 11:33:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-05 11:33:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-05 11:33:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-05 11:33:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-05 11:33:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-05 11:33:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-05 11:33:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-05 11:33:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-05 11:33:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-05 11:33:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:33:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:33:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 11:33:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-05 11:33:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-05 11:33:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-05 11:33:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-05 11:33:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-05 11:33:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-05 11:33:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-05 11:33:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-05 11:33:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-05 11:33:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-05 11:33:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-05 11:33:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-05 11:33:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-05 11:33:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-05 11:33:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-05 11:33:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-05 11:33:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-05 11:33:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-05 11:33:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-05 11:33:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-05 11:33:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:33:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:33:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2024-11-05 11:33:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2024-11-05 11:33:49,596 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:33:49,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:33:49,621 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 11:34:05,732 INFO L? ?]: Removed 575 outVars from TransFormulas that were not future-live. [2024-11-05 11:34:05,732 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:34:05,756 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:34:05,757 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-05 11:34:05,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:34:05 BoogieIcfgContainer [2024-11-05 11:34:05,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:34:05,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:34:05,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:34:05,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:34:05,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:33:46" (1/3) ... [2024-11-05 11:34:05,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48335bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:34:05, skipping insertion in model container [2024-11-05 11:34:05,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:48" (2/3) ... [2024-11-05 11:34:05,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48335bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:34:05, skipping insertion in model container [2024-11-05 11:34:05,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:34:05" (3/3) ... [2024-11-05 11:34:05,767 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-11-05 11:34:05,779 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:34:05,779 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:34:05,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:34:05,843 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;@4108ede7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:34:05,843 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:34:05,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 324 states, 249 states have (on average 1.3734939759036144) internal successors, (342), 260 states have internal predecessors, (342), 51 states have call successors, (51), 23 states have call predecessors, (51), 22 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-05 11:34:05,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-05 11:34:05,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:05,862 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:05,862 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:05,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:05,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1543099031, now seen corresponding path program 1 times [2024-11-05 11:34:05,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:05,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399108783] [2024-11-05 11:34:05,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:05,877 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:05,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:05,879 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:05,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:34:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:06,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 11:34:06,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 11:34:07,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 11:34:07,925 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:07,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399108783] [2024-11-05 11:34:07,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1399108783] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:07,926 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:07,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 11:34:07,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324131586] [2024-11-05 11:34:07,928 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:07,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 11:34:07,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:07,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 11:34:07,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:34:07,973 INFO L87 Difference]: Start difference. First operand has 324 states, 249 states have (on average 1.3734939759036144) internal successors, (342), 260 states have internal predecessors, (342), 51 states have call successors, (51), 23 states have call predecessors, (51), 22 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 11:34:08,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:08,270 INFO L93 Difference]: Finished difference Result 649 states and 907 transitions. [2024-11-05 11:34:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 11:34:08,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-11-05 11:34:08,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:08,309 INFO L225 Difference]: With dead ends: 649 [2024-11-05 11:34:08,310 INFO L226 Difference]: Without dead ends: 315 [2024-11-05 11:34:08,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:34:08,328 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 0 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:08,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1717 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 11:34:08,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-05 11:34:08,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2024-11-05 11:34:08,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 246 states have (on average 1.3333333333333333) internal successors, (328), 251 states have internal predecessors, (328), 47 states have call successors, (47), 22 states have call predecessors, (47), 21 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-05 11:34:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 421 transitions. [2024-11-05 11:34:08,387 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 421 transitions. Word has length 42 [2024-11-05 11:34:08,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:08,388 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 421 transitions. [2024-11-05 11:34:08,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 11:34:08,389 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 421 transitions. [2024-11-05 11:34:08,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-05 11:34:08,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:08,390 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:08,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 11:34:08,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:08,595 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:08,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:08,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1003241879, now seen corresponding path program 1 times [2024-11-05 11:34:08,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:08,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713203705] [2024-11-05 11:34:08,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:08,596 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:08,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:08,597 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:08,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:34:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:09,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 11:34:09,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 11:34:09,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:11,269 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 11:34:11,269 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:11,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713203705] [2024-11-05 11:34:11,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1713203705] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:34:11,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:34:11,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 11:34:11,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356325509] [2024-11-05 11:34:11,270 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:34:11,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 11:34:11,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:11,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 11:34:11,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:34:11,272 INFO L87 Difference]: Start difference. First operand 315 states and 421 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 11:34:11,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:11,686 INFO L93 Difference]: Finished difference Result 621 states and 832 transitions. [2024-11-05 11:34:11,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 11:34:11,686 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-05 11:34:11,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:11,693 INFO L225 Difference]: With dead ends: 621 [2024-11-05 11:34:11,693 INFO L226 Difference]: Without dead ends: 317 [2024-11-05 11:34:11,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:34:11,695 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:11,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1668 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-05 11:34:11,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-05 11:34:11,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2024-11-05 11:34:11,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 248 states have (on average 1.3306451612903225) internal successors, (330), 253 states have internal predecessors, (330), 47 states have call successors, (47), 22 states have call predecessors, (47), 21 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-05 11:34:11,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 423 transitions. [2024-11-05 11:34:11,729 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 423 transitions. Word has length 44 [2024-11-05 11:34:11,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:11,729 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 423 transitions. [2024-11-05 11:34:11,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 11:34:11,729 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 423 transitions. [2024-11-05 11:34:11,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-05 11:34:11,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:11,730 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:11,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 11:34:11,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:11,931 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:11,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:11,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1891561623, now seen corresponding path program 2 times [2024-11-05 11:34:11,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:11,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872058503] [2024-11-05 11:34:11,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:11,932 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:11,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:11,934 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:11,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 11:34:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:12,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 11:34:12,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-05 11:34:12,934 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:13,567 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-05 11:34:13,567 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:13,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872058503] [2024-11-05 11:34:13,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [872058503] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:13,567 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:13,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 11:34:13,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236188558] [2024-11-05 11:34:13,568 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:13,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 11:34:13,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:13,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 11:34:13,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:34:13,569 INFO L87 Difference]: Start difference. First operand 317 states and 423 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 11:34:13,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:13,741 INFO L93 Difference]: Finished difference Result 617 states and 827 transitions. [2024-11-05 11:34:13,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 11:34:13,743 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 46 [2024-11-05 11:34:13,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:13,745 INFO L225 Difference]: With dead ends: 617 [2024-11-05 11:34:13,745 INFO L226 Difference]: Without dead ends: 319 [2024-11-05 11:34:13,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:34:13,747 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:13,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 835 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 11:34:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-05 11:34:13,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2024-11-05 11:34:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 250 states have (on average 1.328) internal successors, (332), 255 states have internal predecessors, (332), 47 states have call successors, (47), 22 states have call predecessors, (47), 21 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-05 11:34:13,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 425 transitions. [2024-11-05 11:34:13,761 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 425 transitions. Word has length 46 [2024-11-05 11:34:13,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:13,761 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 425 transitions. [2024-11-05 11:34:13,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 11:34:13,761 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 425 transitions. [2024-11-05 11:34:13,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-05 11:34:13,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:13,763 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:13,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-05 11:34:13,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:13,963 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:13,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:13,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1008187031, now seen corresponding path program 1 times [2024-11-05 11:34:13,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:13,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596670526] [2024-11-05 11:34:13,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:13,964 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:13,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:13,966 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:13,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 11:34:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:14,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 11:34:14,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:15,318 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-05 11:34:15,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-05 11:34:16,638 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:16,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596670526] [2024-11-05 11:34:16,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [596670526] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:34:16,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:34:16,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 11:34:16,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106830592] [2024-11-05 11:34:16,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:34:16,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 11:34:16,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:16,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 11:34:16,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:34:16,640 INFO L87 Difference]: Start difference. First operand 319 states and 425 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 11:34:17,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:17,105 INFO L93 Difference]: Finished difference Result 619 states and 829 transitions. [2024-11-05 11:34:17,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 11:34:17,108 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2024-11-05 11:34:17,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:17,110 INFO L225 Difference]: With dead ends: 619 [2024-11-05 11:34:17,110 INFO L226 Difference]: Without dead ends: 321 [2024-11-05 11:34:17,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:34:17,113 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:17,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1668 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-05 11:34:17,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-05 11:34:17,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2024-11-05 11:34:17,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 252 states have (on average 1.3253968253968254) internal successors, (334), 257 states have internal predecessors, (334), 47 states have call successors, (47), 22 states have call predecessors, (47), 21 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-05 11:34:17,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 427 transitions. [2024-11-05 11:34:17,127 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 427 transitions. Word has length 48 [2024-11-05 11:34:17,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:17,128 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 427 transitions. [2024-11-05 11:34:17,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 11:34:17,128 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 427 transitions. [2024-11-05 11:34:17,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-05 11:34:17,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:17,129 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:17,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-05 11:34:17,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:17,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:17,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:17,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1806238569, now seen corresponding path program 2 times [2024-11-05 11:34:17,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:17,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239972838] [2024-11-05 11:34:17,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:17,331 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:17,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:17,332 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:17,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 11:34:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:18,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:34:18,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-05 11:34:18,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-05 11:34:19,172 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:19,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239972838] [2024-11-05 11:34:19,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [239972838] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:19,173 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:19,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 11:34:19,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52352893] [2024-11-05 11:34:19,173 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:19,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:34:19,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:19,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:34:19,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:34:19,174 INFO L87 Difference]: Start difference. First operand 321 states and 427 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:34:23,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:34:25,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:25,763 INFO L93 Difference]: Finished difference Result 1157 states and 1562 transitions. [2024-11-05 11:34:25,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:34:25,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 50 [2024-11-05 11:34:25,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:25,771 INFO L225 Difference]: With dead ends: 1157 [2024-11-05 11:34:25,771 INFO L226 Difference]: Without dead ends: 864 [2024-11-05 11:34:25,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:34:25,773 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 758 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:25,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 1465 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 109 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-11-05 11:34:25,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2024-11-05 11:34:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 864. [2024-11-05 11:34:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 679 states have (on average 1.346097201767305) internal successors, (914), 694 states have internal predecessors, (914), 125 states have call successors, (125), 60 states have call predecessors, (125), 59 states have return successors, (124), 121 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-05 11:34:25,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1163 transitions. [2024-11-05 11:34:25,821 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1163 transitions. Word has length 50 [2024-11-05 11:34:25,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:25,823 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1163 transitions. [2024-11-05 11:34:25,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:34:25,823 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1163 transitions. [2024-11-05 11:34:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-05 11:34:25,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:25,826 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:25,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-05 11:34:26,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:26,027 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:26,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:26,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1907560870, now seen corresponding path program 1 times [2024-11-05 11:34:26,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:26,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [756785151] [2024-11-05 11:34:26,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:26,028 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:26,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:26,029 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:26,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 11:34:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:26,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 11:34:26,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:28,593 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-05 11:34:28,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-05 11:34:30,142 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:30,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [756785151] [2024-11-05 11:34:30,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [756785151] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:30,146 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:30,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-05 11:34:30,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558174388] [2024-11-05 11:34:30,146 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:30,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 11:34:30,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:30,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 11:34:30,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 11:34:30,147 INFO L87 Difference]: Start difference. First operand 864 states and 1163 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-05 11:34:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:31,342 INFO L93 Difference]: Finished difference Result 1693 states and 2298 transitions. [2024-11-05 11:34:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 11:34:31,343 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2024-11-05 11:34:31,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:31,350 INFO L225 Difference]: With dead ends: 1693 [2024-11-05 11:34:31,350 INFO L226 Difference]: Without dead ends: 1684 [2024-11-05 11:34:31,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-05 11:34:31,352 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 378 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 2457 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:31,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 2457 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-05 11:34:31,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2024-11-05 11:34:31,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1672. [2024-11-05 11:34:31,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1312 states have (on average 1.3513719512195121) internal successors, (1773), 1342 states have internal predecessors, (1773), 244 states have call successors, (244), 116 states have call predecessors, (244), 115 states have return successors, (255), 237 states have call predecessors, (255), 243 states have call successors, (255) [2024-11-05 11:34:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2272 transitions. [2024-11-05 11:34:31,420 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2272 transitions. Word has length 60 [2024-11-05 11:34:31,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:31,420 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2272 transitions. [2024-11-05 11:34:31,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-05 11:34:31,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2272 transitions. [2024-11-05 11:34:31,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-05 11:34:31,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:31,427 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:31,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0 [2024-11-05 11:34:31,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:31,628 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:31,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:31,628 INFO L85 PathProgramCache]: Analyzing trace with hash -335861147, now seen corresponding path program 1 times [2024-11-05 11:34:31,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:31,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710916622] [2024-11-05 11:34:31,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:31,629 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:31,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:31,631 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:31,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 11:34:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:32,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:34:32,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-05 11:34:32,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-05 11:34:35,809 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:35,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710916622] [2024-11-05 11:34:35,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1710916622] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:35,809 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:35,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:34:35,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736164240] [2024-11-05 11:34:35,810 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:35,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:34:35,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:35,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:34:35,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:34:35,811 INFO L87 Difference]: Start difference. First operand 1672 states and 2272 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-05 11:34:36,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:36,392 INFO L93 Difference]: Finished difference Result 3618 states and 4963 transitions. [2024-11-05 11:34:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:34:36,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 170 [2024-11-05 11:34:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:36,403 INFO L225 Difference]: With dead ends: 3618 [2024-11-05 11:34:36,404 INFO L226 Difference]: Without dead ends: 1981 [2024-11-05 11:34:36,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:34:36,411 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 115 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:36,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 804 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-05 11:34:36,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2024-11-05 11:34:36,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1929. [2024-11-05 11:34:36,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1929 states, 1545 states have (on average 1.3741100323624595) internal successors, (2123), 1575 states have internal predecessors, (2123), 258 states have call successors, (258), 126 states have call predecessors, (258), 125 states have return successors, (269), 251 states have call predecessors, (269), 257 states have call successors, (269) [2024-11-05 11:34:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2650 transitions. [2024-11-05 11:34:36,490 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2650 transitions. Word has length 170 [2024-11-05 11:34:36,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:36,491 INFO L471 AbstractCegarLoop]: Abstraction has 1929 states and 2650 transitions. [2024-11-05 11:34:36,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-05 11:34:36,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2650 transitions. [2024-11-05 11:34:36,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-05 11:34:36,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:36,497 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:36,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-05 11:34:36,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:36,702 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:36,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:36,703 INFO L85 PathProgramCache]: Analyzing trace with hash -108267005, now seen corresponding path program 1 times [2024-11-05 11:34:36,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:36,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699709474] [2024-11-05 11:34:36,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:36,703 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:36,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:36,705 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:36,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-05 11:34:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:37,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:34:37,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-05 11:34:38,512 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-05 11:34:42,274 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:42,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699709474] [2024-11-05 11:34:42,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [699709474] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:42,274 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:42,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:34:42,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007919935] [2024-11-05 11:34:42,274 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:42,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:34:42,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:42,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:34:42,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:34:42,276 INFO L87 Difference]: Start difference. First operand 1929 states and 2650 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-05 11:34:46,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:34:47,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:47,007 INFO L93 Difference]: Finished difference Result 5328 states and 7312 transitions. [2024-11-05 11:34:47,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:34:47,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 192 [2024-11-05 11:34:47,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:47,023 INFO L225 Difference]: With dead ends: 5328 [2024-11-05 11:34:47,023 INFO L226 Difference]: Without dead ends: 3438 [2024-11-05 11:34:47,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:34:47,030 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 360 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:47,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 874 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-05 11:34:47,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3438 states. [2024-11-05 11:34:47,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3438 to 3429. [2024-11-05 11:34:47,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3429 states, 2727 states have (on average 1.359002566923359) internal successors, (3706), 2787 states have internal predecessors, (3706), 466 states have call successors, (466), 236 states have call predecessors, (466), 235 states have return successors, (483), 453 states have call predecessors, (483), 465 states have call successors, (483) [2024-11-05 11:34:47,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 3429 states and 4655 transitions. [2024-11-05 11:34:47,159 INFO L78 Accepts]: Start accepts. Automaton has 3429 states and 4655 transitions. Word has length 192 [2024-11-05 11:34:47,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:47,160 INFO L471 AbstractCegarLoop]: Abstraction has 3429 states and 4655 transitions. [2024-11-05 11:34:47,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-05 11:34:47,160 INFO L276 IsEmpty]: Start isEmpty. Operand 3429 states and 4655 transitions. [2024-11-05 11:34:47,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-05 11:34:47,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:47,166 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:47,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Forceful destruction successful, exit code 0 [2024-11-05 11:34:47,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:47,367 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:47,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:47,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1244074889, now seen corresponding path program 1 times [2024-11-05 11:34:47,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:47,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974556830] [2024-11-05 11:34:47,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:47,368 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:47,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:47,369 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:47,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Waiting until timeout for monitored process [2024-11-05 11:34:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:48,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-05 11:34:48,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:50,746 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-05 11:34:50,747 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-05 11:34:59,683 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:59,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974556830] [2024-11-05 11:34:59,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1974556830] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 11:34:59,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 11:34:59,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2024-11-05 11:34:59,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611940063] [2024-11-05 11:34:59,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:59,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 11:34:59,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:59,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 11:34:59,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2024-11-05 11:34:59,684 INFO L87 Difference]: Start difference. First operand 3429 states and 4655 transitions. Second operand has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 7 states have internal predecessors, (118), 3 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (23), 5 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-05 11:35:03,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:35:03,430 INFO L93 Difference]: Finished difference Result 7407 states and 10263 transitions. [2024-11-05 11:35:03,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-05 11:35:03,431 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 7 states have internal predecessors, (118), 3 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (23), 5 states have call predecessors, (23), 3 states have call successors, (23) Word has length 192 [2024-11-05 11:35:03,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:35:03,447 INFO L225 Difference]: With dead ends: 7407 [2024-11-05 11:35:03,447 INFO L226 Difference]: Without dead ends: 4017 [2024-11-05 11:35:03,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-05 11:35:03,455 INFO L432 NwaCegarLoop]: 484 mSDtfsCounter, 48 mSDsluCounter, 3785 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 4269 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-05 11:35:03,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 4269 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-05 11:35:03,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4017 states. [2024-11-05 11:35:03,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4017 to 3537. [2024-11-05 11:35:03,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3537 states, 2799 states have (on average 1.3497677742050733) internal successors, (3778), 2859 states have internal predecessors, (3778), 478 states have call successors, (478), 236 states have call predecessors, (478), 259 states have return successors, (579), 489 states have call predecessors, (579), 477 states have call successors, (579) [2024-11-05 11:35:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3537 states and 4835 transitions. [2024-11-05 11:35:03,578 INFO L78 Accepts]: Start accepts. Automaton has 3537 states and 4835 transitions. Word has length 192 [2024-11-05 11:35:03,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:35:03,579 INFO L471 AbstractCegarLoop]: Abstraction has 3537 states and 4835 transitions. [2024-11-05 11:35:03,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 7 states have internal predecessors, (118), 3 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (23), 5 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-05 11:35:03,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3537 states and 4835 transitions. [2024-11-05 11:35:03,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-05 11:35:03,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:35:03,585 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:35:03,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Forceful destruction successful, exit code 0 [2024-11-05 11:35:03,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:35:03,790 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:35:03,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:35:03,790 INFO L85 PathProgramCache]: Analyzing trace with hash -756959854, now seen corresponding path program 1 times [2024-11-05 11:35:03,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:35:03,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317524535] [2024-11-05 11:35:03,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:35:03,791 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:35:03,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:35:03,794 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:35:03,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Waiting until timeout for monitored process [2024-11-05 11:35:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:35:04,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:35:04,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:35:04,881 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-05 11:35:04,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:35:07,979 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-05 11:35:07,979 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:35:07,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317524535] [2024-11-05 11:35:07,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1317524535] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:35:07,980 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:35:07,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:35:07,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243899541] [2024-11-05 11:35:07,980 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:35:07,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:35:07,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:35:07,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:35:07,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:35:07,985 INFO L87 Difference]: Start difference. First operand 3537 states and 4835 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-05 11:35:08,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:35:08,168 INFO L93 Difference]: Finished difference Result 5336 states and 7338 transitions. [2024-11-05 11:35:08,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:35:08,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 198 [2024-11-05 11:35:08,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:35:08,181 INFO L225 Difference]: With dead ends: 5336 [2024-11-05 11:35:08,181 INFO L226 Difference]: Without dead ends: 3549 [2024-11-05 11:35:08,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:35:08,186 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 3 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:35:08,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 828 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 11:35:08,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3549 states. [2024-11-05 11:35:08,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3549 to 3549. [2024-11-05 11:35:08,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3549 states, 2811 states have (on average 1.3482746353610815) internal successors, (3790), 2871 states have internal predecessors, (3790), 478 states have call successors, (478), 236 states have call predecessors, (478), 259 states have return successors, (579), 489 states have call predecessors, (579), 477 states have call successors, (579) [2024-11-05 11:35:08,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 4847 transitions. [2024-11-05 11:35:08,296 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 4847 transitions. Word has length 198 [2024-11-05 11:35:08,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:35:08,296 INFO L471 AbstractCegarLoop]: Abstraction has 3549 states and 4847 transitions. [2024-11-05 11:35:08,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-05 11:35:08,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 4847 transitions. [2024-11-05 11:35:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-05 11:35:08,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:35:08,303 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:35:08,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Forceful destruction successful, exit code 0 [2024-11-05 11:35:08,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:35:08,508 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:35:08,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:35:08,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1587160977, now seen corresponding path program 1 times [2024-11-05 11:35:08,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:35:08,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345941340] [2024-11-05 11:35:08,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:35:08,509 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:35:08,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:35:08,511 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:35:08,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Waiting until timeout for monitored process [2024-11-05 11:35:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:35:09,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-05 11:35:09,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:35:16,442 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-05 11:35:16,443 INFO L311 TraceCheckSpWp]: Computing backward predicates...