/root/.sdkman/candidates/java/11.0.12-open/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 16:01:05,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 16:01:05,401 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-15 16:01:05,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 16:01:05,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 16:01:05,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 16:01:05,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 16:01:05,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 16:01:05,433 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 16:01:05,434 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 16:01:05,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 16:01:05,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 16:01:05,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 16:01:05,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 16:01:05,436 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 16:01:05,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 16:01:05,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 16:01:05,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 16:01:05,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 16:01:05,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 16:01:05,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 16:01:05,440 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 16:01:05,441 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 16:01:05,441 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 16:01:05,441 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 16:01:05,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 16:01:05,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 16:01:05,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 16:01:05,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 16:01:05,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 16:01:05,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 16:01:05,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 16:01:05,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 16:01:05,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 16:01:05,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 16:01:05,443 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 16:01:05,443 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 16:01:05,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 16:01:05,444 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 16:01:05,444 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 16:01:05,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 16:01:05,445 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 16:01:05,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 16:01:05,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 16:01:05,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 16:01:05,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 16:01:05,715 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 16:01:05,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i [2024-11-15 16:01:06,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 16:01:07,318 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 16:01:07,318 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i [2024-11-15 16:01:07,347 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29a04f19c/bbd620867eaf4ba7b9bdd1f80845f83f/FLAG8fad32c53 [2024-11-15 16:01:07,364 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29a04f19c/bbd620867eaf4ba7b9bdd1f80845f83f [2024-11-15 16:01:07,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 16:01:07,367 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 16:01:07,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 16:01:07,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 16:01:07,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 16:01:07,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:01:07" (1/1) ... [2024-11-15 16:01:07,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b315f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:07, skipping insertion in model container [2024-11-15 16:01:07,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:01:07" (1/1) ... [2024-11-15 16:01:07,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 16:01:07,690 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2024-11-15 16:01:07,695 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2024-11-15 16:01:08,184 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,301 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,302 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,302 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,312 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,313 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,314 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,314 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,316 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,318 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,319 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,323 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,323 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,331 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,332 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,335 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,336 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,336 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,336 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,337 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,338 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,338 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,339 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,340 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,340 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,579 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,579 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,656 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,661 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,666 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,666 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,666 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,666 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,667 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,667 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,667 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,667 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,668 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,668 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,668 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,668 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,669 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,669 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:01:08,739 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-15 16:01:08,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 16:01:08,786 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2024-11-15 16:01:08,787 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2024-11-15 16:01:08,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,820 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,821 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,821 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,824 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,825 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,825 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,825 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,825 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,826 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,826 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,827 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,827 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,830 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,830 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,830 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,830 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,831 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,831 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,832 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,832 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,833 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,833 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,861 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,861 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,861 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,861 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,881 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,888 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:08,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:01:08,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 16:01:08,944 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2024-11-15 16:01:08,944 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2024-11-15 16:01:08,978 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,983 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,983 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,984 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,984 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,984 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:08,984 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:09,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:09,019 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:09,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2024-11-15 16:01:09,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:01:09,154 INFO L204 MainTranslator]: Completed translation [2024-11-15 16:01:09,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09 WrapperNode [2024-11-15 16:01:09,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 16:01:09,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 16:01:09,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 16:01:09,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 16:01:09,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (1/1) ... [2024-11-15 16:01:09,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (1/1) ... [2024-11-15 16:01:09,269 INFO L138 Inliner]: procedures = 699, calls = 1574, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 583 [2024-11-15 16:01:09,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 16:01:09,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 16:01:09,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 16:01:09,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 16:01:09,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (1/1) ... [2024-11-15 16:01:09,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (1/1) ... [2024-11-15 16:01:09,292 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (1/1) ... [2024-11-15 16:01:09,401 INFO L175 MemorySlicer]: Split 291 memory accesses to 6 slices as follows [2, 238, 34, 3, 5, 9]. 82 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 5, 1, 5, 5]. The 237 writes are split as follows [0, 232, 4, 1, 0, 0]. [2024-11-15 16:01:09,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (1/1) ... [2024-11-15 16:01:09,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (1/1) ... [2024-11-15 16:01:09,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (1/1) ... [2024-11-15 16:01:09,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (1/1) ... [2024-11-15 16:01:09,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (1/1) ... [2024-11-15 16:01:09,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (1/1) ... [2024-11-15 16:01:09,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 16:01:09,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 16:01:09,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 16:01:09,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 16:01:09,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (1/1) ... [2024-11-15 16:01:09,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 16:01:09,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:01:09,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-15 16:01:09,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-15 16:01:09,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-15 16:01:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-15 16:01:09,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-15 16:01:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-15 16:01:09,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-15 16:01:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-15 16:01:09,662 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-15 16:01:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 16:01:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-15 16:01:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-15 16:01:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-15 16:01:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-15 16:01:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-15 16:01:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-15 16:01:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-15 16:01:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-15 16:01:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-15 16:01:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-15 16:01:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-15 16:01:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-15 16:01:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-15 16:01:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-15 16:01:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-15 16:01:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-15 16:01:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-15 16:01:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-15 16:01:09,663 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-15 16:01:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-15 16:01:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-15 16:01:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-15 16:01:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 16:01:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-15 16:01:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-15 16:01:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-15 16:01:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-15 16:01:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-15 16:01:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-15 16:01:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 16:01:09,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-15 16:01:09,669 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-15 16:01:09,669 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-15 16:01:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-15 16:01:09,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2024-11-15 16:01:09,670 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-15 16:01:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-15 16:01:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-15 16:01:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-15 16:01:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-15 16:01:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-15 16:01:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-15 16:01:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-15 16:01:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-15 16:01:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-15 16:01:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-15 16:01:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-15 16:01:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-15 16:01:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-15 16:01:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-15 16:01:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-15 16:01:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-15 16:01:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-15 16:01:09,896 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 16:01:09,897 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 16:01:16,821 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-15 16:01:16,822 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 16:01:16,833 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 16:01:16,833 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-15 16:01:16,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:01:16 BoogieIcfgContainer [2024-11-15 16:01:16,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 16:01:16,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 16:01:16,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 16:01:16,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 16:01:16,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 04:01:07" (1/3) ... [2024-11-15 16:01:16,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ea8c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 04:01:16, skipping insertion in model container [2024-11-15 16:01:16,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:09" (2/3) ... [2024-11-15 16:01:16,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ea8c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 04:01:16, skipping insertion in model container [2024-11-15 16:01:16,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:01:16" (3/3) ... [2024-11-15 16:01:16,841 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness.i [2024-11-15 16:01:16,852 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 16:01:16,853 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-15 16:01:16,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 16:01:16,924 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;@79eb6e16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 16:01:16,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 16:01:16,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-15 16:01:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-15 16:01:16,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:01:16,941 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-11-15 16:01:16,942 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:01:16,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:01:16,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1818819730, now seen corresponding path program 1 times [2024-11-15 16:01:16,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:01:16,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562857185] [2024-11-15 16:01:16,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:01:16,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:01:22,491 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:01:22,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1888369393] [2024-11-15 16:01:22,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:01:22,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:01:22,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:01:22,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:01:22,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-15 16:01:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:01:28,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-15 16:01:28,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:01:28,527 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-15 16:01:28,528 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:01:28,528 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:01:28,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562857185] [2024-11-15 16:01:28,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:01:28,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888369393] [2024-11-15 16:01:28,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888369393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:01:28,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:01:28,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 16:01:28,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970445723] [2024-11-15 16:01:28,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:01:28,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-15 16:01:28,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:01:28,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-15 16:01:28,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 16:01:28,553 INFO L87 Difference]: Start difference. First operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-15 16:01:28,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:01:28,577 INFO L93 Difference]: Finished difference Result 195 states and 256 transitions. [2024-11-15 16:01:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 16:01:28,582 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2024-11-15 16:01:28,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:01:28,588 INFO L225 Difference]: With dead ends: 195 [2024-11-15 16:01:28,588 INFO L226 Difference]: Without dead ends: 96 [2024-11-15 16:01:28,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 16:01:28,593 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-15 16:01:28,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-15 16:01:28,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-15 16:01:28,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-15 16:01:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 60 states have internal predecessors, (69), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-15 16:01:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 118 transitions. [2024-11-15 16:01:28,625 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 118 transitions. Word has length 60 [2024-11-15 16:01:28,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:01:28,626 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 118 transitions. [2024-11-15 16:01:28,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-15 16:01:28,626 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2024-11-15 16:01:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-15 16:01:28,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:01:28,628 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-11-15 16:01:28,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-15 16:01:28,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-15 16:01:28,829 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:01:28,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:01:28,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1417756758, now seen corresponding path program 1 times [2024-11-15 16:01:28,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:01:28,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992177520] [2024-11-15 16:01:28,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:01:28,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:01:33,350 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:01:33,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051794228] [2024-11-15 16:01:33,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:01:33,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:01:33,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:01:33,352 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:01:33,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-15 16:01:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:01:39,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 16:01:39,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:01:41,280 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-15 16:01:41,280 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:01:41,286 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:01:41,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992177520] [2024-11-15 16:01:41,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:01:41,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051794228] [2024-11-15 16:01:41,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051794228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:01:41,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:01:41,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-15 16:01:41,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932633903] [2024-11-15 16:01:41,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:01:41,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-15 16:01:41,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:01:41,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-15 16:01:41,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 16:01:41,289 INFO L87 Difference]: Start difference. First operand 96 states and 118 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-15 16:01:43,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:01:43,950 INFO L93 Difference]: Finished difference Result 160 states and 199 transitions. [2024-11-15 16:01:43,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 16:01:43,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2024-11-15 16:01:43,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:01:43,954 INFO L225 Difference]: With dead ends: 160 [2024-11-15 16:01:43,954 INFO L226 Difference]: Without dead ends: 98 [2024-11-15 16:01:43,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 16:01:43,956 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 23 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-15 16:01:43,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 362 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-15 16:01:43,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-15 16:01:43,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-15 16:01:43,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2024-11-15 16:01:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 121 transitions. [2024-11-15 16:01:43,968 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 121 transitions. Word has length 60 [2024-11-15 16:01:43,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:01:43,969 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 121 transitions. [2024-11-15 16:01:43,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-15 16:01:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2024-11-15 16:01:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-15 16:01:43,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:01:43,971 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2024-11-15 16:01:44,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-15 16:01:44,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-15 16:01:44,172 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:01:44,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:01:44,172 INFO L85 PathProgramCache]: Analyzing trace with hash -270811530, now seen corresponding path program 1 times [2024-11-15 16:01:44,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:01:44,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184715092] [2024-11-15 16:01:44,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:01:44,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:01:48,698 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:01:48,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331256344] [2024-11-15 16:01:48,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:01:48,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:01:48,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:01:48,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:01:48,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-15 16:01:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:01:54,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 2465 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-15 16:01:54,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:01:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-15 16:01:58,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:01:58,127 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:01:58,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184715092] [2024-11-15 16:01:58,127 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:01:58,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331256344] [2024-11-15 16:01:58,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331256344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:01:58,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:01:58,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-15 16:01:58,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880629094] [2024-11-15 16:01:58,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:01:58,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-15 16:01:58,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:01:58,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-15 16:01:58,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-15 16:01:58,129 INFO L87 Difference]: Start difference. First operand 98 states and 121 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-15 16:02:02,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:02:02,901 INFO L93 Difference]: Finished difference Result 157 states and 192 transitions. [2024-11-15 16:02:02,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 16:02:02,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 75 [2024-11-15 16:02:02,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:02:02,904 INFO L225 Difference]: With dead ends: 157 [2024-11-15 16:02:02,904 INFO L226 Difference]: Without dead ends: 96 [2024-11-15 16:02:02,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-15 16:02:02,905 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 33 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-15 16:02:02,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 540 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-15 16:02:02,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-15 16:02:02,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-15 16:02:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.152542372881356) internal successors, (68), 60 states have internal predecessors, (68), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-15 16:02:02,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 117 transitions. [2024-11-15 16:02:02,914 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 117 transitions. Word has length 75 [2024-11-15 16:02:02,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:02:02,914 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 117 transitions. [2024-11-15 16:02:02,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-15 16:02:02,914 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2024-11-15 16:02:02,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-15 16:02:02,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:02:02,917 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-15 16:02:02,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-15 16:02:03,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:02:03,118 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:02:03,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:02:03,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1423335052, now seen corresponding path program 1 times [2024-11-15 16:02:03,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:02:03,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388487908] [2024-11-15 16:02:03,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:02:03,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:02:07,694 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:02:07,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1427744505] [2024-11-15 16:02:07,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:02:07,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:02:07,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:02:07,697 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:02:07,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-15 16:02:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:02:14,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 2665 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-15 16:02:14,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:02:16,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-15 16:02:16,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-15 16:02:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-15 16:02:38,721 INFO L311 TraceCheckSpWp]: Computing backward predicates...