/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_priority_queue_size_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 14:27:17,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 14:27:17,454 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 14:27:17,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 14:27:17,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 14:27:17,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 14:27:17,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 14:27:17,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 14:27:17,495 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 14:27:17,495 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 14:27:17,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 14:27:17,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 14:27:17,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 14:27:17,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 14:27:17,498 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 14:27:17,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 14:27:17,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 14:27:17,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 14:27:17,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 14:27:17,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 14:27:17,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 14:27:17,504 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 14:27:17,504 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 14:27:17,504 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 14:27:17,504 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 14:27:17,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 14:27:17,505 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 14:27:17,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 14:27:17,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 14:27:17,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 14:27:17,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 14:27:17,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:27:17,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 14:27:17,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 14:27:17,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 14:27:17,511 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 14:27:17,511 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 14:27:17,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 14:27:17,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 14:27:17,512 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 14:27:17,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 14:27:17,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 14:27:17,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 14:27:17,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 14:27:17,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 14:27:17,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 14:27:17,766 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 14:27:17,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_size_harness.i [2024-11-06 14:27:19,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 14:27:19,700 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 14:27:19,700 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_size_harness.i [2024-11-06 14:27:19,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5d1d9ddd/e51535ede37a42d6a6fce2d7596a903c/FLAGd67d19e04 [2024-11-06 14:27:19,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5d1d9ddd/e51535ede37a42d6a6fce2d7596a903c [2024-11-06 14:27:19,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 14:27:19,863 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 14:27:19,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 14:27:19,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 14:27:19,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 14:27:19,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:27:19" (1/1) ... [2024-11-06 14:27:19,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614165c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:19, skipping insertion in model container [2024-11-06 14:27:19,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:27:19" (1/1) ... [2024-11-06 14:27:19,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:27:20,241 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_priority_queue_size_harness.i[4497,4510] [2024-11-06 14:27:20,250 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_priority_queue_size_harness.i[4557,4570] [2024-11-06 14:27:20,871 WARN 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 14:27:21,030 WARN 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 14:27:21,030 WARN 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 14:27:21,031 WARN 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 14:27:21,039 WARN 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 14:27:21,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,042 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,043 WARN 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 14:27:21,044 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,045 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,048 WARN 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 14:27:21,049 WARN 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 14:27:21,050 WARN 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 14:27:21,051 WARN 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 14:27:21,057 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,058 WARN 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 14:27:21,058 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,059 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:27:21,060 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,060 WARN 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 14:27:21,060 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:27:21,385 WARN 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 14:27:21,386 WARN 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 14:27:21,387 WARN 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 14:27:21,387 WARN 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 14:27:21,499 WARN 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 14:27:21,510 WARN 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 14:27:21,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,518 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:27:21,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,571 WARN 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 14:27:21,572 WARN 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 14:27:21,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:27:21,629 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 14:27:21,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:27:21,674 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_priority_queue_size_harness.i[4497,4510] [2024-11-06 14:27:21,675 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_priority_queue_size_harness.i[4557,4570] [2024-11-06 14:27:21,707 WARN 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 14:27:21,740 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:27:21,741 WARN 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 14:27:21,741 WARN 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 14:27:21,744 WARN 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 14:27:21,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,749 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,750 WARN 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 14:27:21,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,752 WARN 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 14:27:21,752 WARN 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 14:27:21,753 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:27:21,754 WARN 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 14:27:21,757 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,757 WARN 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 14:27:21,757 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,758 WARN 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 14:27:21,759 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,759 WARN 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 14:27:21,759 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,760 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:27:21,798 WARN 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 14:27:21,799 WARN 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 14:27:21,800 WARN 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 14:27:21,801 WARN 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 14:27:21,825 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:27:21,832 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:27:21,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,839 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:27:21,839 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,871 WARN 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 14:27:21,871 WARN 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 14:27:21,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:27:21,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 14:27:21,913 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_priority_queue_size_harness.i[4497,4510] [2024-11-06 14:27:21,913 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_priority_queue_size_harness.i[4557,4570] [2024-11-06 14:27:21,976 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,977 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,977 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,990 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,991 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,992 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:21,992 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:22,070 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:22,071 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:27:22,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-06 14:27:22,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:27:22,314 INFO L204 MainTranslator]: Completed translation [2024-11-06 14:27:22,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22 WrapperNode [2024-11-06 14:27:22,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 14:27:22,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 14:27:22,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 14:27:22,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 14:27:22,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (1/1) ... [2024-11-06 14:27:22,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (1/1) ... [2024-11-06 14:27:22,497 INFO L138 Inliner]: procedures = 698, calls = 1543, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 672 [2024-11-06 14:27:22,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 14:27:22,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 14:27:22,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 14:27:22,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 14:27:22,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (1/1) ... [2024-11-06 14:27:22,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (1/1) ... [2024-11-06 14:27:22,537 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (1/1) ... [2024-11-06 14:27:22,626 INFO L175 MemorySlicer]: Split 335 memory accesses to 6 slices as follows [7, 238, 2, 3, 79, 6]. 71 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [5, 6, 2, 1, 10, 0]. The 252 writes are split as follows [0, 232, 0, 1, 17, 2]. [2024-11-06 14:27:22,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (1/1) ... [2024-11-06 14:27:22,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (1/1) ... [2024-11-06 14:27:22,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (1/1) ... [2024-11-06 14:27:22,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (1/1) ... [2024-11-06 14:27:22,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (1/1) ... [2024-11-06 14:27:22,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (1/1) ... [2024-11-06 14:27:22,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 14:27:22,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 14:27:22,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 14:27:22,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 14:27:22,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (1/1) ... [2024-11-06 14:27:22,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:27:22,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:27:22,777 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 14:27:22,778 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 14:27:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-06 14:27:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-06 14:27:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 14:27:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-06 14:27:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-06 14:27:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-06 14:27:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-06 14:27:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 14:27:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 14:27:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 14:27:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 14:27:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 14:27:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 14:27:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 14:27:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 14:27:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 14:27:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 14:27:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 14:27:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 14:27:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 14:27:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-06 14:27:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-06 14:27:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-06 14:27:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-06 14:27:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-06 14:27:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-06 14:27:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-06 14:27:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-06 14:27:22,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-06 14:27:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 14:27:22,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 14:27:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 14:27:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 14:27:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-06 14:27:22,810 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-06 14:27:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 14:27:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 14:27:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 14:27:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 14:27:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 14:27:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 14:27:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 14:27:22,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 14:27:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 14:27:22,811 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 14:27:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 14:27:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 14:27:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 14:27:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 14:27:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 14:27:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 14:27:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-06 14:27:22,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-06 14:27:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 14:27:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 14:27:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 14:27:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 14:27:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 14:27:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 14:27:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-06 14:27:22,813 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-06 14:27:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-06 14:27:22,813 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-06 14:27:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 14:27:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 14:27:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 14:27:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 14:27:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 14:27:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 14:27:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-06 14:27:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-06 14:27:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-06 14:27:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-06 14:27:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 14:27:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 14:27:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 14:27:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 14:27:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 14:27:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 14:27:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 14:27:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 14:27:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 14:27:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 14:27:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 14:27:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 14:27:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 14:27:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 14:27:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-06 14:27:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-06 14:27:22,818 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-06 14:27:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-06 14:27:22,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-06 14:27:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 14:27:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 14:27:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 14:27:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 14:27:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 14:27:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 14:27:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 14:27:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 14:27:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 14:27:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 14:27:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 14:27:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 14:27:22,847 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-06 14:27:22,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-06 14:27:22,848 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-06 14:27:22,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-06 14:27:23,231 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 14:27:23,234 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 14:27:30,789 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-06 14:27:30,789 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 14:27:30,806 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 14:27:30,806 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 14:27:30,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:27:30 BoogieIcfgContainer [2024-11-06 14:27:30,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 14:27:30,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 14:27:30,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 14:27:30,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 14:27:30,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:27:19" (1/3) ... [2024-11-06 14:27:30,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6721eaa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:27:30, skipping insertion in model container [2024-11-06 14:27:30,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:27:22" (2/3) ... [2024-11-06 14:27:30,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6721eaa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:27:30, skipping insertion in model container [2024-11-06 14:27:30,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:27:30" (3/3) ... [2024-11-06 14:27:30,815 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_size_harness.i [2024-11-06 14:27:30,830 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 14:27:30,831 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 14:27:30,909 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 14:27:30,917 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;@35817491, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 14:27:30,917 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 14:27:30,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 121 states have (on average 1.2148760330578512) internal successors, (147), 122 states have internal predecessors, (147), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-06 14:27:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-06 14:27:30,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:27:30,938 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 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] [2024-11-06 14:27:30,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:27:30,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:27:30,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1783507274, now seen corresponding path program 1 times [2024-11-06 14:27:30,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:27:30,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [906803012] [2024-11-06 14:27:30,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:27:30,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:27:30,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:27:30,969 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 14:27:30,972 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 14:27:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:27:39,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 2766 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 14:27:39,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:27:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-06 14:27:39,266 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:27:39,266 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:27:39,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906803012] [2024-11-06 14:27:39,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906803012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:27:39,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:27:39,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 14:27:39,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463806549] [2024-11-06 14:27:39,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:27:39,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 14:27:39,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:27:39,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 14:27:39,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 14:27:39,299 INFO L87 Difference]: Start difference. First operand has 187 states, 121 states have (on average 1.2148760330578512) internal successors, (147), 122 states have internal predecessors, (147), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-06 14:27:39,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:27:39,340 INFO L93 Difference]: Finished difference Result 351 states and 474 transitions. [2024-11-06 14:27:39,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 14:27:39,345 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2024-11-06 14:27:39,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:27:39,353 INFO L225 Difference]: With dead ends: 351 [2024-11-06 14:27:39,354 INFO L226 Difference]: Without dead ends: 182 [2024-11-06 14:27:39,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 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 14:27:39,361 INFO L432 NwaCegarLoop]: 236 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, 236 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 14:27:39,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 14:27:39,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-06 14:27:39,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-06 14:27:39,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 117 states have (on average 1.1965811965811965) internal successors, (140), 118 states have internal predecessors, (140), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-06 14:27:39,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 231 transitions. [2024-11-06 14:27:39,407 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 231 transitions. Word has length 137 [2024-11-06 14:27:39,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:27:39,409 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 231 transitions. [2024-11-06 14:27:39,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-06 14:27:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 231 transitions. [2024-11-06 14:27:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-06 14:27:39,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:27:39,413 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 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] [2024-11-06 14:27:39,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 14:27:39,614 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 14:27:39,615 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:27:39,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:27:39,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1808251914, now seen corresponding path program 1 times [2024-11-06 14:27:39,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:27:39,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [24617639] [2024-11-06 14:27:39,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:27:39,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:27:39,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:27:39,623 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 14:27:39,625 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 14:27:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:27:47,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 2766 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 14:27:47,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:27:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-06 14:27:50,532 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:27:50,532 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:27:50,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24617639] [2024-11-06 14:27:50,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24617639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:27:50,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:27:50,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 14:27:50,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564614962] [2024-11-06 14:27:50,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:27:50,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 14:27:50,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:27:50,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 14:27:50,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 14:27:50,536 INFO L87 Difference]: Start difference. First operand 182 states and 231 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-06 14:27:53,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:27:53,632 INFO L93 Difference]: Finished difference Result 310 states and 393 transitions. [2024-11-06 14:27:53,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 14:27:53,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 137 [2024-11-06 14:27:53,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:27:53,637 INFO L225 Difference]: With dead ends: 310 [2024-11-06 14:27:53,637 INFO L226 Difference]: Without dead ends: 182 [2024-11-06 14:27:53,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 14:27:53,639 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 7 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-06 14:27:53,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 836 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-06 14:27:53,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-06 14:27:53,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-06 14:27:53,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 117 states have (on average 1.188034188034188) internal successors, (139), 118 states have internal predecessors, (139), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-06 14:27:53,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 230 transitions. [2024-11-06 14:27:53,659 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 230 transitions. Word has length 137 [2024-11-06 14:27:53,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:27:53,659 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 230 transitions. [2024-11-06 14:27:53,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-06 14:27:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 230 transitions. [2024-11-06 14:27:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-06 14:27:53,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:27:53,663 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 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] [2024-11-06 14:27:53,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-06 14:27:53,863 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 14:27:53,864 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:27:53,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:27:53,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1444309632, now seen corresponding path program 1 times [2024-11-06 14:27:53,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:27:53,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [252806512] [2024-11-06 14:27:53,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:27:53,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:27:53,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:27:53,870 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 14:27:53,871 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 14:28:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:28:00,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 2796 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 14:28:00,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:28:06,236 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-06 14:28:06,237 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:28:06,237 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:28:06,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252806512] [2024-11-06 14:28:06,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252806512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:28:06,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:28:06,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 14:28:06,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832205628] [2024-11-06 14:28:06,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:28:06,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 14:28:06,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:28:06,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 14:28:06,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 14:28:06,241 INFO L87 Difference]: Start difference. First operand 182 states and 230 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-06 14:28:14,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:28:14,438 INFO L93 Difference]: Finished difference Result 329 states and 422 transitions. [2024-11-06 14:28:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-06 14:28:14,440 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 145 [2024-11-06 14:28:14,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:28:14,444 INFO L225 Difference]: With dead ends: 329 [2024-11-06 14:28:14,444 INFO L226 Difference]: Without dead ends: 184 [2024-11-06 14:28:14,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-06 14:28:14,446 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 34 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-11-06 14:28:14,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 1190 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2024-11-06 14:28:14,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-06 14:28:14,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-06 14:28:14,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 118 states have (on average 1.1864406779661016) internal successors, (140), 120 states have internal predecessors, (140), 46 states have call successors, (46), 18 states have call predecessors, (46), 19 states have return successors, (48), 45 states have call predecessors, (48), 45 states have call successors, (48) [2024-11-06 14:28:14,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 234 transitions. [2024-11-06 14:28:14,475 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 234 transitions. Word has length 145 [2024-11-06 14:28:14,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:28:14,475 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 234 transitions. [2024-11-06 14:28:14,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-06 14:28:14,476 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 234 transitions. [2024-11-06 14:28:14,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-06 14:28:14,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:28:14,483 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 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] [2024-11-06 14:28:14,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-06 14:28:14,683 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 14:28:14,684 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:28:14,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:28:14,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1259760670, now seen corresponding path program 1 times [2024-11-06 14:28:14,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:28:14,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139410534] [2024-11-06 14:28:14,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:28:14,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:28:14,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:28:14,689 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 14:28:14,690 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 14:28:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:28:21,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 14:28:21,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:28:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-06 14:28:25,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:28:25,917 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:28:25,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139410534] [2024-11-06 14:28:25,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139410534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:28:25,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:28:25,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 14:28:25,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440210488] [2024-11-06 14:28:25,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:28:25,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 14:28:25,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:28:25,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 14:28:25,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 14:28:25,922 INFO L87 Difference]: Start difference. First operand 184 states and 234 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-06 14:28:31,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:28:31,675 INFO L93 Difference]: Finished difference Result 315 states and 400 transitions. [2024-11-06 14:28:31,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 14:28:31,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2024-11-06 14:28:31,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:28:31,678 INFO L225 Difference]: With dead ends: 315 [2024-11-06 14:28:31,679 INFO L226 Difference]: Without dead ends: 184 [2024-11-06 14:28:31,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 14:28:31,680 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 24 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-06 14:28:31,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 999 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-06 14:28:31,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-06 14:28:31,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-06 14:28:31,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 118 states have (on average 1.1779661016949152) internal successors, (139), 120 states have internal predecessors, (139), 46 states have call successors, (46), 18 states have call predecessors, (46), 19 states have return successors, (48), 45 states have call predecessors, (48), 45 states have call successors, (48) [2024-11-06 14:28:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 233 transitions. [2024-11-06 14:28:31,712 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 233 transitions. Word has length 160 [2024-11-06 14:28:31,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:28:31,713 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 233 transitions. [2024-11-06 14:28:31,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-06 14:28:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 233 transitions. [2024-11-06 14:28:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-06 14:28:31,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:28:31,716 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 3, 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, 1] [2024-11-06 14:28:31,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-06 14:28:31,916 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 14:28:31,917 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:28:31,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:28:31,917 INFO L85 PathProgramCache]: Analyzing trace with hash -190115531, now seen corresponding path program 1 times [2024-11-06 14:28:31,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:28:31,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [445408133] [2024-11-06 14:28:31,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:28:31,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:28:31,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:28:31,922 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 14:28:31,923 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 14:28:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:28:39,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 2941 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-06 14:28:39,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:28:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-06 14:28:45,920 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:28:45,920 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:28:45,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445408133] [2024-11-06 14:28:45,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445408133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:28:45,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:28:45,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-06 14:28:45,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399227128] [2024-11-06 14:28:45,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:28:45,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 14:28:45,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:28:45,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 14:28:45,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 14:28:45,922 INFO L87 Difference]: Start difference. First operand 184 states and 233 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25)