/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 --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_set_at_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 13:59:15,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 13:59:16,005 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 13:59:16,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 13:59:16,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 13:59:16,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 13:59:16,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 13:59:16,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 13:59:16,032 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 13:59:16,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 13:59:16,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 13:59:16,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 13:59:16,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 13:59:16,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 13:59:16,038 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 13:59:16,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 13:59:16,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 13:59:16,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 13:59:16,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 13:59:16,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 13:59:16,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 13:59:16,041 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 13:59:16,041 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 13:59:16,041 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 13:59:16,042 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 13:59:16,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 13:59:16,042 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 13:59:16,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 13:59:16,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 13:59:16,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 13:59:16,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 13:59:16,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 13:59:16,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 13:59:16,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 13:59:16,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 13:59:16,043 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 13:59:16,043 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 13:59:16,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 13:59:16,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 13:59:16,044 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 13:59:16,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 13:59:16,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 13:59:16,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 13:59:16,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 13:59:16,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 13:59:16,255 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 13:59:16,255 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 13:59:16,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_set_at_harness.i [2024-11-06 13:59:17,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 13:59:17,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 13:59:17,951 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_set_at_harness.i [2024-11-06 13:59:17,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa015b527/03ee508948f3418bb5abff68558f68ec/FLAG8bcdeaaa5 [2024-11-06 13:59:18,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa015b527/03ee508948f3418bb5abff68558f68ec [2024-11-06 13:59:18,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 13:59:18,125 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 13:59:18,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 13:59:18,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 13:59:18,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 13:59:18,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:59:18" (1/1) ... [2024-11-06 13:59:18,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d542f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:18, skipping insertion in model container [2024-11-06 13:59:18,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:59:18" (1/1) ... [2024-11-06 13:59:18,221 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 13:59:18,415 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_set_at_harness.i[4495,4508] [2024-11-06 13:59:18,420 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_set_at_harness.i[4555,4568] [2024-11-06 13:59:18,826 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,951 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,951 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,952 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,960 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:18,962 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:18,962 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:18,964 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:18,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:18,966 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,966 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,969 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,970 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:18,979 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:18,980 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:18,982 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,983 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:18,983 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,984 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:18,984 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,984 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:18,985 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:18,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:18,987 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,236 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,236 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,236 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,237 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,312 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,325 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,325 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,325 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,325 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,335 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,338 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,338 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,338 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,338 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,339 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,339 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,339 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,340 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,340 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,340 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,340 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,341 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,341 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,341 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,383 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 13:59:19,430 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 13:59:19,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 13:59:19,463 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_set_at_harness.i[4495,4508] [2024-11-06 13:59:19,463 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_set_at_harness.i[4555,4568] [2024-11-06 13:59:19,481 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,503 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,504 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,504 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,512 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,512 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,512 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,512 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,513 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,514 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,514 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,515 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,515 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,521 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,521 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,522 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,522 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,522 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,522 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,523 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,524 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,564 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,565 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,565 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,565 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,576 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,582 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,582 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,582 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,582 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,587 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,591 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,592 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,592 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,592 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,592 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,592 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,593 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,593 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,597 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,598 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,598 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,598 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,598 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,598 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,611 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:59:19,612 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,612 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,612 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 13:59:19,627 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 13:59:19,646 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_set_at_harness.i[4495,4508] [2024-11-06 13:59:19,646 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_set_at_harness.i[4555,4568] [2024-11-06 13:59:19,731 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,732 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,732 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,732 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,741 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,741 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,747 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,747 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,748 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,748 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,829 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2024-11-06 13:59:19,870 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,870 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,870 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:59:19,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 13:59:20,008 INFO L204 MainTranslator]: Completed translation [2024-11-06 13:59:20,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20 WrapperNode [2024-11-06 13:59:20,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 13:59:20,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 13:59:20,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 13:59:20,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 13:59:20,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (1/1) ... [2024-11-06 13:59:20,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (1/1) ... [2024-11-06 13:59:20,193 INFO L138 Inliner]: procedures = 700, calls = 1678, calls flagged for inlining = 50, calls inlined = 10, statements flattened = 839 [2024-11-06 13:59:20,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 13:59:20,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 13:59:20,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 13:59:20,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 13:59:20,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (1/1) ... [2024-11-06 13:59:20,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (1/1) ... [2024-11-06 13:59:20,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (1/1) ... [2024-11-06 13:59:20,302 INFO L175 MemorySlicer]: Split 332 memory accesses to 6 slices as follows [238, 2, 6, 8, 6, 72]. 72 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 0, 5, 1, 10]. The 241 writes are split as follows [232, 0, 2, 0, 1, 6]. [2024-11-06 13:59:20,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (1/1) ... [2024-11-06 13:59:20,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (1/1) ... [2024-11-06 13:59:20,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (1/1) ... [2024-11-06 13:59:20,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (1/1) ... [2024-11-06 13:59:20,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (1/1) ... [2024-11-06 13:59:20,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (1/1) ... [2024-11-06 13:59:20,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 13:59:20,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 13:59:20,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 13:59:20,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 13:59:20,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (1/1) ... [2024-11-06 13:59:20,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 13:59:20,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 13:59:20,433 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) [2024-11-06 13:59:20,435 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 [2024-11-06 13:59:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 13:59:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-06 13:59:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-06 13:59:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-06 13:59:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-06 13:59:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 13:59:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 13:59:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 13:59:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 13:59:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 13:59:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 13:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 13:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 13:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 13:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 13:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 13:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 13:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 13:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-06 13:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-06 13:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-06 13:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-06 13:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-06 13:59:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-06 13:59:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-06 13:59:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-06 13:59:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-06 13:59:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-06 13:59:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-06 13:59:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 13:59:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 13:59:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 13:59:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 13:59:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 13:59:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 13:59:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 13:59:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 13:59:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 13:59:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 13:59:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-06 13:59:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-06 13:59:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 13:59:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 13:59:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 13:59:20,459 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 13:59:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 13:59:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 13:59:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 13:59:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 13:59:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 13:59:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 13:59:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-06 13:59:20,459 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-06 13:59:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 13:59:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 13:59:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 13:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 13:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 13:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 13:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-06 13:59:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-06 13:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-06 13:59:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-06 13:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 13:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 13:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 13:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 13:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 13:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 13:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-06 13:59:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-06 13:59:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-06 13:59:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 13:59:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-06 13:59:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-06 13:59:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-06 13:59:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 13:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 13:59:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 13:59:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 13:59:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 13:59:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 13:59:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 13:59:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 13:59:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 13:59:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 13:59:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 13:59:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 13:59:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 13:59:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 13:59:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 13:59:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 13:59:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 13:59:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 13:59:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 13:59:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-06 13:59:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-06 13:59:20,464 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-06 13:59:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-06 13:59:20,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-06 13:59:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-06 13:59:20,464 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-06 13:59:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 13:59:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 13:59:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 13:59:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 13:59:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 13:59:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 13:59:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-06 13:59:20,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-06 13:59:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-11-06 13:59:20,464 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-11-06 13:59:20,752 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 13:59:20,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 13:59:28,674 INFO L? ?]: Removed 168 outVars from TransFormulas that were not future-live. [2024-11-06 13:59:28,675 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 13:59:28,690 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 13:59:28,690 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-06 13:59:28,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:59:28 BoogieIcfgContainer [2024-11-06 13:59:28,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 13:59:28,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 13:59:28,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 13:59:28,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 13:59:28,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 01:59:18" (1/3) ... [2024-11-06 13:59:28,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57599e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:59:28, skipping insertion in model container [2024-11-06 13:59:28,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:59:20" (2/3) ... [2024-11-06 13:59:28,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57599e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:59:28, skipping insertion in model container [2024-11-06 13:59:28,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:59:28" (3/3) ... [2024-11-06 13:59:28,696 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_set_at_harness.i [2024-11-06 13:59:28,708 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 13:59:28,708 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 13:59:28,808 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 13:59:28,816 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;@3fceddeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 13:59:28,817 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 13:59:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 284 states, 163 states have (on average 1.2208588957055215) internal successors, (199), 165 states have internal predecessors, (199), 96 states have call successors, (96), 23 states have call predecessors, (96), 23 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-06 13:59:28,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-06 13:59:28,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 13:59:28,849 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 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] [2024-11-06 13:59:28,849 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 13:59:28,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 13:59:28,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1680676932, now seen corresponding path program 1 times [2024-11-06 13:59:28,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 13:59:28,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1425786048] [2024-11-06 13:59:28,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 13:59:28,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 13:59:28,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 13:59:28,885 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) [2024-11-06 13:59:28,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 13:59:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 13:59:35,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 2648 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 13:59:35,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 13:59:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-11-06 13:59:35,122 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 13:59:35,123 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 13:59:35,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425786048] [2024-11-06 13:59:35,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425786048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 13:59:35,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 13:59:35,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 13:59:35,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857200865] [2024-11-06 13:59:35,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 13:59:35,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 13:59:35,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 13:59:35,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 13:59:35,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 13:59:35,146 INFO L87 Difference]: Start difference. First operand has 284 states, 163 states have (on average 1.2208588957055215) internal successors, (199), 165 states have internal predecessors, (199), 96 states have call successors, (96), 23 states have call predecessors, (96), 23 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-06 13:59:35,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 13:59:35,186 INFO L93 Difference]: Finished difference Result 561 states and 830 transitions. [2024-11-06 13:59:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 13:59:35,190 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 155 [2024-11-06 13:59:35,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 13:59:35,198 INFO L225 Difference]: With dead ends: 561 [2024-11-06 13:59:35,198 INFO L226 Difference]: Without dead ends: 279 [2024-11-06 13:59:35,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 13:59:35,204 INFO L432 NwaCegarLoop]: 389 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, 389 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 [2024-11-06 13:59:35,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 13:59:35,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-06 13:59:35,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2024-11-06 13:59:35,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 159 states have (on average 1.2138364779874213) internal successors, (193), 161 states have internal predecessors, (193), 96 states have call successors, (96), 23 states have call predecessors, (96), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-06 13:59:35,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 384 transitions. [2024-11-06 13:59:35,253 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 384 transitions. Word has length 155 [2024-11-06 13:59:35,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 13:59:35,253 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 384 transitions. [2024-11-06 13:59:35,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-06 13:59:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 384 transitions. [2024-11-06 13:59:35,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-06 13:59:35,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 13:59:35,256 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 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] [2024-11-06 13:59:35,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-06 13:59:35,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 13:59:35,461 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 13:59:35,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 13:59:35,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1944472258, now seen corresponding path program 1 times [2024-11-06 13:59:35,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 13:59:35,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1583990876] [2024-11-06 13:59:35,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 13:59:35,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 13:59:35,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 13:59:35,465 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) [2024-11-06 13:59:35,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-06 13:59:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 13:59:41,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 2648 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 13:59:41,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 13:59:42,911 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-06 13:59:42,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 13:59:42,911 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 13:59:42,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583990876] [2024-11-06 13:59:42,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583990876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 13:59:42,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 13:59:42,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 13:59:42,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034350269] [2024-11-06 13:59:42,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 13:59:42,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 13:59:42,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 13:59:42,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 13:59:42,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 13:59:42,914 INFO L87 Difference]: Start difference. First operand 279 states and 384 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-06 13:59:50,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 13:59:50,179 INFO L93 Difference]: Finished difference Result 534 states and 752 transitions. [2024-11-06 13:59:50,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 13:59:50,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 155 [2024-11-06 13:59:50,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 13:59:50,185 INFO L225 Difference]: With dead ends: 534 [2024-11-06 13:59:50,185 INFO L226 Difference]: Without dead ends: 281 [2024-11-06 13:59:50,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 13:59:50,187 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 40 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-06 13:59:50,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 1323 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2024-11-06 13:59:50,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-06 13:59:50,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2024-11-06 13:59:50,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 160 states have (on average 1.2125) internal successors, (194), 163 states have internal predecessors, (194), 96 states have call successors, (96), 23 states have call predecessors, (96), 24 states have return successors, (111), 95 states have call predecessors, (111), 95 states have call successors, (111) [2024-11-06 13:59:50,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 401 transitions. [2024-11-06 13:59:50,213 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 401 transitions. Word has length 155 [2024-11-06 13:59:50,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 13:59:50,214 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 401 transitions. [2024-11-06 13:59:50,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-06 13:59:50,214 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 401 transitions. [2024-11-06 13:59:50,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-06 13:59:50,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 13:59:50,217 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-06 13:59:50,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-06 13:59:50,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 13:59:50,418 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 13:59:50,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 13:59:50,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1161404230, now seen corresponding path program 1 times [2024-11-06 13:59:50,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 13:59:50,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344028407] [2024-11-06 13:59:50,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 13:59:50,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 13:59:50,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 13:59:50,427 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) [2024-11-06 13:59:50,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-06 13:59:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 13:59:56,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 2848 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 13:59:56,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:00:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-06 14:00:01,770 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:00:01,770 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:00:01,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344028407] [2024-11-06 14:00:01,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344028407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:00:01,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:00:01,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 14:00:01,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944478167] [2024-11-06 14:00:01,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:00:01,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 14:00:01,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:00:01,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 14:00:01,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 14:00:01,774 INFO L87 Difference]: Start difference. First operand 281 states and 401 transitions. Second operand has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-06 14:00:12,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:00:12,267 INFO L93 Difference]: Finished difference Result 506 states and 722 transitions. [2024-11-06 14:00:12,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 14:00:12,267 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 185 [2024-11-06 14:00:12,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:00:12,272 INFO L225 Difference]: With dead ends: 506 [2024-11-06 14:00:12,272 INFO L226 Difference]: Without dead ends: 281 [2024-11-06 14:00:12,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-06 14:00:12,274 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 136 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-06 14:00:12,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1863 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2024-11-06 14:00:12,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-06 14:00:12,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2024-11-06 14:00:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 160 states have (on average 1.2125) internal successors, (194), 163 states have internal predecessors, (194), 96 states have call successors, (96), 23 states have call predecessors, (96), 24 states have return successors, (107), 95 states have call predecessors, (107), 95 states have call successors, (107) [2024-11-06 14:00:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 397 transitions. [2024-11-06 14:00:12,291 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 397 transitions. Word has length 185 [2024-11-06 14:00:12,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:00:12,292 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 397 transitions. [2024-11-06 14:00:12,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-06 14:00:12,292 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 397 transitions. [2024-11-06 14:00:12,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-06 14:00:12,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:00:12,294 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-06 14:00:12,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-06 14:00:12,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:00:12,496 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:00:12,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:00:12,496 INFO L85 PathProgramCache]: Analyzing trace with hash 503333891, now seen corresponding path program 2 times [2024-11-06 14:00:12,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:00:12,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1904759671] [2024-11-06 14:00:12,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 14:00:12,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:00:12,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:00:12,500 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) [2024-11-06 14:00:12,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-06 14:00:18,007 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-06 14:00:18,009 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 14:00:18,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 2258 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 14:00:18,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:00:19,385 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-11-06 14:00:19,385 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:00:19,385 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:00:19,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904759671] [2024-11-06 14:00:19,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904759671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:00:19,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:00:19,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 14:00:19,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230203706] [2024-11-06 14:00:19,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:00:19,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 14:00:19,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:00:19,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 14:00:19,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 14:00:19,387 INFO L87 Difference]: Start difference. First operand 281 states and 397 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-06 14:00:20,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:00:20,074 INFO L93 Difference]: Finished difference Result 489 states and 681 transitions. [2024-11-06 14:00:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 14:00:20,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 200 [2024-11-06 14:00:20,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:00:20,079 INFO L225 Difference]: With dead ends: 489 [2024-11-06 14:00:20,079 INFO L226 Difference]: Without dead ends: 285 [2024-11-06 14:00:20,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 14:00:20,085 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 0 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 14:00:20,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1522 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 14:00:20,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-06 14:00:20,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-11-06 14:00:20,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 163 states have (on average 1.2085889570552146) internal successors, (197), 166 states have internal predecessors, (197), 96 states have call successors, (96), 23 states have call predecessors, (96), 25 states have return successors, (109), 96 states have call predecessors, (109), 95 states have call successors, (109) [2024-11-06 14:00:20,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 402 transitions. [2024-11-06 14:00:20,126 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 402 transitions. Word has length 200 [2024-11-06 14:00:20,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:00:20,127 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 402 transitions. [2024-11-06 14:00:20,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-06 14:00:20,127 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 402 transitions. [2024-11-06 14:00:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-06 14:00:20,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:00:20,129 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-06 14:00:20,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-06 14:00:20,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:00:20,331 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:00:20,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:00:20,335 INFO L85 PathProgramCache]: Analyzing trace with hash 604717857, now seen corresponding path program 1 times [2024-11-06 14:00:20,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:00:20,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1503617652] [2024-11-06 14:00:20,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:00:20,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:00:20,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:00:20,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 14:00:20,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-06 14:00:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:00:26,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-06 14:00:26,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:00:32,427 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-06 14:00:32,427 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:00:32,427 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:00:32,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503617652] [2024-11-06 14:00:32,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503617652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:00:32,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:00:32,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-06 14:00:32,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916455088] [2024-11-06 14:00:32,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:00:32,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 14:00:32,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:00:32,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 14:00:32,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 14:00:32,429 INFO L87 Difference]: Start difference. First operand 285 states and 402 transitions. Second operand has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-06 14:00:43,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:00:43,472 INFO L93 Difference]: Finished difference Result 508 states and 714 transitions. [2024-11-06 14:00:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-06 14:00:43,472 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 206 [2024-11-06 14:00:43,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:00:43,475 INFO L225 Difference]: With dead ends: 508 [2024-11-06 14:00:43,475 INFO L226 Difference]: Without dead ends: 285 [2024-11-06 14:00:43,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-06 14:00:43,476 INFO L432 NwaCegarLoop]: 349 mSDtfsCounter, 170 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 2146 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-06 14:00:43,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 2146 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2024-11-06 14:00:43,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-06 14:00:43,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-11-06 14:00:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 163 states have (on average 1.2085889570552146) internal successors, (197), 166 states have internal predecessors, (197), 96 states have call successors, (96), 23 states have call predecessors, (96), 25 states have return successors, (103), 96 states have call predecessors, (103), 95 states have call successors, (103) [2024-11-06 14:00:43,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 396 transitions. [2024-11-06 14:00:43,492 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 396 transitions. Word has length 206 [2024-11-06 14:00:43,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:00:43,493 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 396 transitions. [2024-11-06 14:00:43,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-06 14:00:43,493 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 396 transitions. [2024-11-06 14:00:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-06 14:00:43,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:00:43,494 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 14:00:43,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-06 14:00:43,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:00:43,695 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:00:43,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:00:43,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1321955874, now seen corresponding path program 2 times [2024-11-06 14:00:43,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:00:43,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [415423699] [2024-11-06 14:00:43,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 14:00:43,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:00:43,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:00:43,699 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 14:00:43,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process