/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_array_list_init_dynamic_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 14:44:12,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 14:44:12,394 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 14:44:12,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 14:44:12,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 14:44:12,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 14:44:12,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 14:44:12,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 14:44:12,423 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 14:44:12,426 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 14:44:12,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 14:44:12,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 14:44:12,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 14:44:12,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 14:44:12,427 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 14:44:12,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 14:44:12,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 14:44:12,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 14:44:12,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 14:44:12,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 14:44:12,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 14:44:12,429 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 14:44:12,429 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 14:44:12,429 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 14:44:12,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 14:44:12,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 14:44:12,430 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 14:44:12,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 14:44:12,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 14:44:12,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 14:44:12,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 14:44:12,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:44:12,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 14:44:12,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 14:44:12,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 14:44:12,431 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 14:44:12,431 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 14:44:12,431 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 14:44:12,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 14:44:12,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 14:44:12,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 14:44:12,432 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:44:12,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 14:44:12,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 14:44:12,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 14:44:12,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 14:44:12,624 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 14:44:12,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_init_dynamic_harness.i [2024-11-04 14:44:13,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 14:44:14,169 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 14:44:14,170 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_dynamic_harness.i [2024-11-04 14:44:14,196 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b8528173/520d7cd17d3f47388d5c1bc202fd391f/FLAG68f68e37f [2024-11-04 14:44:14,216 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b8528173/520d7cd17d3f47388d5c1bc202fd391f [2024-11-04 14:44:14,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 14:44:14,219 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 14:44:14,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 14:44:14,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 14:44:14,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 14:44:14,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:44:14" (1/1) ... [2024-11-04 14:44:14,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b2fb27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:14, skipping insertion in model container [2024-11-04 14:44:14,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:44:14" (1/1) ... [2024-11-04 14:44:14,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:44:14,520 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_init_dynamic_harness.i[4501,4514] [2024-11-04 14:44:14,528 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_init_dynamic_harness.i[4561,4574] [2024-11-04 14:44:14,941 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,040 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,041 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,042 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,052 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,054 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,055 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,059 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,059 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,072 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,072 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,073 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,074 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,074 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,074 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,074 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,075 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,075 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,076 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,076 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,078 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,079 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,286 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,286 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,286 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,287 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,347 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,351 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,356 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,356 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,356 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,357 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,357 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,357 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,357 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,357 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,358 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,358 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,358 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,358 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,359 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,359 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:44:15,420 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 14:44:15,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:44:15,461 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_init_dynamic_harness.i[4501,4514] [2024-11-04 14:44:15,462 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_init_dynamic_harness.i[4561,4574] [2024-11-04 14:44:15,484 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,512 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,513 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,513 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,516 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,517 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,518 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,519 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,519 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,520 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,522 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,523 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,523 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,524 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,524 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,525 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,526 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,560 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,560 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,561 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,561 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,583 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,584 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,584 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,584 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,585 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,585 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,585 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,586 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,586 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,586 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,586 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,586 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:44:15,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:44:15,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 14:44:15,641 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_init_dynamic_harness.i[4501,4514] [2024-11-04 14:44:15,642 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_init_dynamic_harness.i[4561,4574] [2024-11-04 14:44:15,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,683 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,686 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,686 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:44:15,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2024-11-04 14:44:15,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:44:15,949 INFO L204 MainTranslator]: Completed translation [2024-11-04 14:44:15,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15 WrapperNode [2024-11-04 14:44:15,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 14:44:15,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 14:44:15,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 14:44:15,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 14:44:15,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (1/1) ... [2024-11-04 14:44:16,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (1/1) ... [2024-11-04 14:44:16,109 INFO L138 Inliner]: procedures = 699, calls = 1558, calls flagged for inlining = 47, calls inlined = 6, statements flattened = 594 [2024-11-04 14:44:16,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 14:44:16,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 14:44:16,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 14:44:16,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 14:44:16,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (1/1) ... [2024-11-04 14:44:16,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (1/1) ... [2024-11-04 14:44:16,140 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (1/1) ... [2024-11-04 14:44:16,204 INFO L175 MemorySlicer]: Split 277 memory accesses to 5 slices as follows [2, 238, 26, 5, 6]. 86 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 6, 5, 5, 1]. The 238 writes are split as follows [0, 232, 5, 0, 1]. [2024-11-04 14:44:16,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (1/1) ... [2024-11-04 14:44:16,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (1/1) ... [2024-11-04 14:44:16,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (1/1) ... [2024-11-04 14:44:16,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (1/1) ... [2024-11-04 14:44:16,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (1/1) ... [2024-11-04 14:44:16,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (1/1) ... [2024-11-04 14:44:16,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 14:44:16,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 14:44:16,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 14:44:16,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 14:44:16,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (1/1) ... [2024-11-04 14:44:16,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:44:16,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:44:16,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-04 14:44:16,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-04 14:44:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-04 14:44:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-04 14:44:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 14:44:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-04 14:44:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-04 14:44:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 14:44:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 14:44:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 14:44:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 14:44:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 14:44:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 14:44:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 14:44:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 14:44:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 14:44:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 14:44:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 14:44:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 14:44:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 14:44:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 14:44:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 14:44:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 14:44:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 14:44:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-04 14:44:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-04 14:44:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 14:44:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 14:44:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 14:44:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 14:44:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 14:44:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 14:44:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 14:44:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 14:44:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 14:44:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 14:44:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 14:44:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 14:44:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 14:44:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 14:44:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 14:44:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 14:44:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 14:44:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 14:44:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 14:44:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 14:44:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 14:44:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 14:44:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 14:44:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 14:44:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 14:44:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-04 14:44:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-04 14:44:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 14:44:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 14:44:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 14:44:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 14:44:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 14:44:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 14:44:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 14:44:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-04 14:44:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-04 14:44:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-04 14:44:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-04 14:44:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-04 14:44:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-04 14:44:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-04 14:44:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-04 14:44:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-04 14:44:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-04 14:44:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-04 14:44:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-04 14:44:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 14:44:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 14:44:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-04 14:44:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-04 14:44:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 14:44:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 14:44:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 14:44:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 14:44:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 14:44:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 14:44:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 14:44:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 14:44:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 14:44:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 14:44:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 14:44:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 14:44:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 14:44:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 14:44:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 14:44:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 14:44:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 14:44:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 14:44:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 14:44:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 14:44:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 14:44:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 14:44:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 14:44:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 14:44:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 14:44:16,609 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 14:44:16,611 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 14:44:25,311 INFO L? ?]: Removed 88 outVars from TransFormulas that were not future-live. [2024-11-04 14:44:25,311 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 14:44:25,325 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 14:44:25,325 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-04 14:44:25,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:44:25 BoogieIcfgContainer [2024-11-04 14:44:25,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 14:44:25,329 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 14:44:25,329 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 14:44:25,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 14:44:25,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 02:44:14" (1/3) ... [2024-11-04 14:44:25,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b81457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:44:25, skipping insertion in model container [2024-11-04 14:44:25,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:44:15" (2/3) ... [2024-11-04 14:44:25,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b81457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:44:25, skipping insertion in model container [2024-11-04 14:44:25,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:44:25" (3/3) ... [2024-11-04 14:44:25,333 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_dynamic_harness.i [2024-11-04 14:44:25,344 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 14:44:25,344 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 14:44:25,397 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 14:44:25,403 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;@48b50aeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 14:44:25,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 14:44:25,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 92 states have internal predecessors, (111), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-04 14:44:25,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-04 14:44:25,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:44:25,416 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-04 14:44:25,416 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:44:25,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:44:25,420 INFO L85 PathProgramCache]: Analyzing trace with hash -393643122, now seen corresponding path program 1 times [2024-11-04 14:44:25,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:44:25,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339544324] [2024-11-04 14:44:25,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:44:25,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:44:25,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:44:25,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:44:25,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 14:44:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:44:31,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 2329 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 14:44:31,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:44:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 14:44:31,623 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:44:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 14:44:33,661 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:44:33,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339544324] [2024-11-04 14:44:33,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [339544324] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 14:44:33,661 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 14:44:33,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 14:44:33,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818415022] [2024-11-04 14:44:33,663 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 14:44:33,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 14:44:33,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:44:33,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 14:44:33,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 14:44:33,685 INFO L87 Difference]: Start difference. First operand has 143 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 92 states have internal predecessors, (111), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-04 14:44:33,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:44:33,712 INFO L93 Difference]: Finished difference Result 274 states and 373 transitions. [2024-11-04 14:44:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 14:44:33,714 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2024-11-04 14:44:33,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:44:33,720 INFO L225 Difference]: With dead ends: 274 [2024-11-04 14:44:33,720 INFO L226 Difference]: Without dead ends: 136 [2024-11-04 14:44:33,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 14:44:33,725 INFO L432 NwaCegarLoop]: 178 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, 178 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-04 14:44:33,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 14:44:33,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-04 14:44:33,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-04 14:44:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 84 states have (on average 1.1904761904761905) internal successors, (100), 86 states have internal predecessors, (100), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-04 14:44:33,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 170 transitions. [2024-11-04 14:44:33,761 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 170 transitions. Word has length 63 [2024-11-04 14:44:33,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:44:33,762 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 170 transitions. [2024-11-04 14:44:33,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-04 14:44:33,763 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 170 transitions. [2024-11-04 14:44:33,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-04 14:44:33,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:44:33,765 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-04 14:44:33,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-04 14:44:33,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:44:33,966 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:44:33,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:44:33,966 INFO L85 PathProgramCache]: Analyzing trace with hash 524760264, now seen corresponding path program 1 times [2024-11-04 14:44:33,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:44:33,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685080289] [2024-11-04 14:44:33,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:44:33,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:44:33,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:44:33,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:44:33,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-04 14:44:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:44:39,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 2345 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 14:44:39,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:44:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 14:44:40,623 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:44:43,709 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 14:44:43,709 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:44:43,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685080289] [2024-11-04 14:44:43,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [685080289] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 14:44:43,710 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 14:44:43,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-04 14:44:43,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786530086] [2024-11-04 14:44:43,710 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 14:44:43,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 14:44:43,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:44:43,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 14:44:43,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-04 14:44:43,712 INFO L87 Difference]: Start difference. First operand 136 states and 170 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-04 14:44:45,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:44:45,231 INFO L93 Difference]: Finished difference Result 144 states and 178 transitions. [2024-11-04 14:44:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 14:44:45,240 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 69 [2024-11-04 14:44:45,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:44:45,242 INFO L225 Difference]: With dead ends: 144 [2024-11-04 14:44:45,242 INFO L226 Difference]: Without dead ends: 142 [2024-11-04 14:44:45,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-04 14:44:45,243 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 6 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-04 14:44:45,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 654 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-04 14:44:45,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-04 14:44:45,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 141. [2024-11-04 14:44:45,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 87 states have (on average 1.1839080459770115) internal successors, (103), 90 states have internal predecessors, (103), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-04 14:44:45,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 175 transitions. [2024-11-04 14:44:45,255 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 175 transitions. Word has length 69 [2024-11-04 14:44:45,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:44:45,255 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 175 transitions. [2024-11-04 14:44:45,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-04 14:44:45,255 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 175 transitions. [2024-11-04 14:44:45,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-04 14:44:45,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:44:45,257 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-04 14:44:45,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-04 14:44:45,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:44:45,458 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:44:45,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:44:45,458 INFO L85 PathProgramCache]: Analyzing trace with hash 526607306, now seen corresponding path program 1 times [2024-11-04 14:44:45,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:44:45,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [767511696] [2024-11-04 14:44:45,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:44:45,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:44:45,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:44:45,460 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:44:45,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-04 14:44:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:44:51,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 2348 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-04 14:44:51,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:44:51,894 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 14:44:51,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:44:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 14:44:54,928 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:44:54,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [767511696] [2024-11-04 14:44:54,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [767511696] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 14:44:54,929 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 14:44:54,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 14:44:54,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324437786] [2024-11-04 14:44:54,929 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 14:44:54,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 14:44:54,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:44:54,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 14:44:54,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-04 14:44:54,930 INFO L87 Difference]: Start difference. First operand 141 states and 175 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-04 14:44:55,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:44:55,415 INFO L93 Difference]: Finished difference Result 266 states and 328 transitions. [2024-11-04 14:44:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 14:44:55,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 69 [2024-11-04 14:44:55,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:44:55,418 INFO L225 Difference]: With dead ends: 266 [2024-11-04 14:44:55,418 INFO L226 Difference]: Without dead ends: 143 [2024-11-04 14:44:55,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-04 14:44:55,420 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-04 14:44:55,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 669 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-04 14:44:55,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-04 14:44:55,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-04 14:44:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 89 states have (on average 1.1797752808988764) internal successors, (105), 92 states have internal predecessors, (105), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-04 14:44:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 177 transitions. [2024-11-04 14:44:55,434 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 177 transitions. Word has length 69 [2024-11-04 14:44:55,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:44:55,434 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 177 transitions. [2024-11-04 14:44:55,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-04 14:44:55,435 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 177 transitions. [2024-11-04 14:44:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-04 14:44:55,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:44:55,436 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-04 14:44:55,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-04 14:44:55,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:44:55,637 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:44:55,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:44:55,637 INFO L85 PathProgramCache]: Analyzing trace with hash 613592330, now seen corresponding path program 1 times [2024-11-04 14:44:55,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:44:55,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540837680] [2024-11-04 14:44:55,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:44:55,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:44:55,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:44:55,643 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:44:55,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-04 14:45:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:45:01,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 2370 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 14:45:01,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:45:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 14:45:03,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:45:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 14:45:09,513 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:45:09,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540837680] [2024-11-04 14:45:09,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1540837680] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-04 14:45:09,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-04 14:45:09,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-04 14:45:09,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574476201] [2024-11-04 14:45:09,513 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-04 14:45:09,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-04 14:45:09,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:45:09,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-04 14:45:09,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-04 14:45:09,515 INFO L87 Difference]: Start difference. First operand 143 states and 177 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-04 14:45:12,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:45:12,759 INFO L93 Difference]: Finished difference Result 270 states and 334 transitions. [2024-11-04 14:45:12,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-04 14:45:12,760 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 71 [2024-11-04 14:45:12,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:45:12,762 INFO L225 Difference]: With dead ends: 270 [2024-11-04 14:45:12,762 INFO L226 Difference]: Without dead ends: 147 [2024-11-04 14:45:12,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-04 14:45:12,763 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-04 14:45:12,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1334 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-04 14:45:12,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-04 14:45:12,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-04 14:45:12,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 93 states have (on average 1.1720430107526882) internal successors, (109), 96 states have internal predecessors, (109), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-04 14:45:12,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 181 transitions. [2024-11-04 14:45:12,776 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 181 transitions. Word has length 71 [2024-11-04 14:45:12,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:45:12,776 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 181 transitions. [2024-11-04 14:45:12,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-04 14:45:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 181 transitions. [2024-11-04 14:45:12,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-04 14:45:12,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:45:12,778 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 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] [2024-11-04 14:45:12,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-04 14:45:12,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:45:12,979 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:45:12,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:45:12,979 INFO L85 PathProgramCache]: Analyzing trace with hash 2029866890, now seen corresponding path program 2 times [2024-11-04 14:45:12,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:45:12,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185349368] [2024-11-04 14:45:12,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:45:12,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:45:12,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:45:12,981 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:45:12,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-04 14:45:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:45:18,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 2414 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-04 14:45:18,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:45:24,417 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 14:45:24,417 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:45:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 14:45:37,458 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:45:37,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [185349368] [2024-11-04 14:45:37,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [185349368] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-04 14:45:37,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-04 14:45:37,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-04 14:45:37,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63845873] [2024-11-04 14:45:37,458 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-04 14:45:37,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-04 14:45:37,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:45:37,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-04 14:45:37,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-11-04 14:45:37,460 INFO L87 Difference]: Start difference. First operand 147 states and 181 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-04 14:45:50,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:45:50,674 INFO L93 Difference]: Finished difference Result 278 states and 346 transitions. [2024-11-04 14:45:50,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-04 14:45:50,675 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2024-11-04 14:45:50,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:45:50,677 INFO L225 Difference]: With dead ends: 278 [2024-11-04 14:45:50,677 INFO L226 Difference]: Without dead ends: 155 [2024-11-04 14:45:50,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=205, Invalid=347, Unknown=0, NotChecked=0, Total=552 [2024-11-04 14:45:50,678 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 1503 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-04 14:45:50,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1671 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-04 14:45:50,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-04 14:45:50,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-04 14:45:50,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 101 states have (on average 1.1584158415841583) internal successors, (117), 104 states have internal predecessors, (117), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-04 14:45:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 189 transitions. [2024-11-04 14:45:50,686 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 189 transitions. Word has length 75 [2024-11-04 14:45:50,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:45:50,687 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 189 transitions. [2024-11-04 14:45:50,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-04 14:45:50,687 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 189 transitions. [2024-11-04 14:45:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-04 14:45:50,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:45:50,688 INFO L215 NwaCegarLoop]: trace histogram [14, 5, 5, 5, 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] [2024-11-04 14:45:50,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-04 14:45:50,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:45:50,889 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:45:50,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:45:50,889 INFO L85 PathProgramCache]: Analyzing trace with hash 892523658, now seen corresponding path program 3 times [2024-11-04 14:45:50,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:45:50,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1697678687] [2024-11-04 14:45:50,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:45:50,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:45:50,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:45:50,891 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:45:50,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-04 14:45:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:45:56,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 2502 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-04 14:45:56,928 INFO L278 TraceCheckSpWp]: Computing forward predicates...