/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 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_top_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:53:18,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:53:18,433 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 20:53:18,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:53:18,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:53:18,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:53:18,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:53:18,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:53:18,468 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:53:18,469 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:53:18,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:53:18,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:53:18,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:53:18,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:53:18,470 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:53:18,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:53:18,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:53:18,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:53:18,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:53:18,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:53:18,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:53:18,475 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:53:18,475 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:53:18,475 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:53:18,475 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:53:18,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:53:18,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:53:18,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:53:18,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:53:18,476 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:53:18,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:53:18,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:53:18,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:53:18,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:53:18,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:53:18,477 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:53:18,477 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:53:18,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:53:18,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:53:18,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:53:18,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:53:18,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:53:18,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:53:18,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:53:18,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:53:18,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:53:18,711 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:53:18,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_top_harness.i [2024-11-04 20:53:19,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:53:20,391 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:53:20,391 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_top_harness.i [2024-11-04 20:53:20,427 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e51e94f/6631f39c40d943809e48bd88cdc0a910/FLAGf7c71abfe [2024-11-04 20:53:20,577 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e51e94f/6631f39c40d943809e48bd88cdc0a910 [2024-11-04 20:53:20,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:53:20,581 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:53:20,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:53:20,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:53:20,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:53:20,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:53:20" (1/1) ... [2024-11-04 20:53:20,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475fe2e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:20, skipping insertion in model container [2024-11-04 20:53:20,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:53:20" (1/1) ... [2024-11-04 20:53:20,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:53:20,872 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_top_harness.i[4496,4509] [2024-11-04 20:53:20,882 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_top_harness.i[4556,4569] [2024-11-04 20:53:21,333 WARN 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 20:53:21,446 WARN 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 20:53:21,446 WARN 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 20:53:21,447 WARN 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 20:53:21,454 WARN 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 20:53:21,455 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:21,455 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:21,455 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:21,456 WARN 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 20:53:21,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:21,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:21,461 WARN 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 20:53:21,461 WARN 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 20:53:21,462 WARN 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 20:53:21,463 WARN 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 20:53:21,471 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:21,472 WARN 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 20:53:21,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:21,472 WARN 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 20:53:21,475 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:21,475 WARN 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 20:53:21,475 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:21,476 WARN 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 20:53:21,748 WARN 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 20:53:21,748 WARN 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 20:53:21,750 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:53:21,750 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:53:21,874 WARN 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 20:53:21,898 WARN 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 20:53:21,913 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:21,914 WARN 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 20:53:21,914 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:21,976 WARN 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 20:53:21,977 WARN 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 20:53:21,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:53:22,029 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:53:22,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:53:22,072 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_top_harness.i[4496,4509] [2024-11-04 20:53:22,073 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_top_harness.i[4556,4569] [2024-11-04 20:53:22,104 WARN 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 20:53:22,133 WARN 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 20:53:22,133 WARN 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 20:53:22,134 WARN 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 20:53:22,136 WARN 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 20:53:22,137 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,137 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,137 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,137 WARN 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 20:53:22,138 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,138 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,139 WARN 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 20:53:22,139 WARN 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 20:53:22,140 WARN 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 20:53:22,141 WARN 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 20:53:22,144 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,144 WARN 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 20:53:22,144 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,144 WARN 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 20:53:22,145 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,145 WARN 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 20:53:22,145 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,145 WARN 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 20:53:22,192 WARN 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 20:53:22,194 WARN 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 20:53:22,195 WARN 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 20:53:22,195 WARN 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 20:53:22,226 WARN 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 20:53:22,235 WARN 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 20:53:22,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,242 WARN 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 20:53:22,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,269 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:53:22,274 WARN 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 20:53:22,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:53:22,297 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:53:22,311 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_top_harness.i[4496,4509] [2024-11-04 20:53:22,311 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_top_harness.i[4556,4569] [2024-11-04 20:53:22,348 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,348 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,349 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,349 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,349 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,353 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,354 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,354 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,355 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,411 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,411 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:22,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-04 20:53:22,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:53:22,647 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:53:22,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22 WrapperNode [2024-11-04 20:53:22,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:53:22,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:53:22,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:53:22,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:53:22,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (1/1) ... [2024-11-04 20:53:22,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (1/1) ... [2024-11-04 20:53:22,831 INFO L138 Inliner]: procedures = 698, calls = 1548, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 722 [2024-11-04 20:53:22,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:53:22,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:53:22,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:53:22,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:53:22,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (1/1) ... [2024-11-04 20:53:22,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (1/1) ... [2024-11-04 20:53:22,859 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (1/1) ... [2024-11-04 20:53:22,930 INFO L175 MemorySlicer]: Split 340 memory accesses to 7 slices as follows [7, 238, 2, 6, 82, 3, 2]. 70 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [5, 6, 2, 0, 10, 1, 1]. The 253 writes are split as follows [0, 232, 0, 2, 17, 1, 1]. [2024-11-04 20:53:22,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (1/1) ... [2024-11-04 20:53:22,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (1/1) ... [2024-11-04 20:53:22,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (1/1) ... [2024-11-04 20:53:22,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (1/1) ... [2024-11-04 20:53:22,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (1/1) ... [2024-11-04 20:53:23,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (1/1) ... [2024-11-04 20:53:23,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:53:23,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:53:23,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:53:23,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:53:23,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (1/1) ... [2024-11-04 20:53:23,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:53:23,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:53:23,052 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 20:53:23,060 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 20:53:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-04 20:53:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-04 20:53:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:53:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-04 20:53:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-04 20:53:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-04 20:53:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-04 20:53:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:53:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:53:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:53:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:53:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:53:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:53:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 20:53:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 20:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 20:53:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:53:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-04 20:53:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 20:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:53:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:53:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-04 20:53:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 20:53:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 20:53:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 20:53:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 20:53:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 20:53:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 20:53:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-04 20:53:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-04 20:53:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 20:53:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 20:53:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 20:53:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 20:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 20:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 20:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 20:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 20:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 20:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-04 20:53:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-04 20:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-04 20:53:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-04 20:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:53:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 20:53:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 20:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 20:53:23,092 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 20:53:23,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 20:53:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 20:53:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 20:53:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 20:53:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 20:53:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 20:53:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 20:53:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 20:53:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 20:53:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-04 20:53:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-04 20:53:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-04 20:53:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-04 20:53:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-04 20:53:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-04 20:53:23,406 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:53:23,408 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:53:30,564 INFO L? ?]: Removed 161 outVars from TransFormulas that were not future-live. [2024-11-04 20:53:30,565 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:53:30,582 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:53:30,582 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-04 20:53:30,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:53:30 BoogieIcfgContainer [2024-11-04 20:53:30,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:53:30,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:53:30,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:53:30,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:53:30,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:53:20" (1/3) ... [2024-11-04 20:53:30,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260bceff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:53:30, skipping insertion in model container [2024-11-04 20:53:30,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:22" (2/3) ... [2024-11-04 20:53:30,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260bceff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:53:30, skipping insertion in model container [2024-11-04 20:53:30,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:53:30" (3/3) ... [2024-11-04 20:53:30,590 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_top_harness.i [2024-11-04 20:53:30,603 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:53:30,603 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:53:30,664 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:53:30,670 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;@6d15ee24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:53:30,670 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:53:30,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 208 states, 132 states have (on average 1.2196969696969697) internal successors, (161), 132 states have internal predecessors, (161), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-04 20:53:30,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-04 20:53:30,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:53:30,690 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:53:30,691 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:53:30,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:53:30,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1920431684, now seen corresponding path program 1 times [2024-11-04 20:53:30,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:53:30,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477381469] [2024-11-04 20:53:30,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:53:30,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:53:30,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:53:30,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:53:30,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 20:53:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:53:37,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 2805 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:53:37,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:53:37,474 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-04 20:53:37,474 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:53:42,604 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-04 20:53:42,605 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:53:42,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477381469] [2024-11-04 20:53:42,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1477381469] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:53:42,607 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:53:42,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:53:42,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759458686] [2024-11-04 20:53:42,609 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:53:42,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:53:42,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:53:42,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:53:42,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:53:42,633 INFO L87 Difference]: Start difference. First operand has 208 states, 132 states have (on average 1.2196969696969697) internal successors, (161), 132 states have internal predecessors, (161), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-04 20:53:42,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:53:42,688 INFO L93 Difference]: Finished difference Result 393 states and 552 transitions. [2024-11-04 20:53:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:53:42,693 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 148 [2024-11-04 20:53:42,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:53:42,703 INFO L225 Difference]: With dead ends: 393 [2024-11-04 20:53:42,703 INFO L226 Difference]: Without dead ends: 203 [2024-11-04 20:53:42,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 294 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 20:53:42,713 INFO L432 NwaCegarLoop]: 270 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, 270 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 20:53:42,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:53:42,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-04 20:53:42,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-04 20:53:42,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 128 states have internal predecessors, (152), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-04 20:53:42,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 265 transitions. [2024-11-04 20:53:42,769 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 265 transitions. Word has length 148 [2024-11-04 20:53:42,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:53:42,770 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 265 transitions. [2024-11-04 20:53:42,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-04 20:53:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 265 transitions. [2024-11-04 20:53:42,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-04 20:53:42,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:53:42,777 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:53:42,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-04 20:53:42,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:53:42,982 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:53:42,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:53:42,983 INFO L85 PathProgramCache]: Analyzing trace with hash 146647490, now seen corresponding path program 1 times [2024-11-04 20:53:42,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:53:42,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103166698] [2024-11-04 20:53:42,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:53:42,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:53:42,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:53:42,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:53:42,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 20:53:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:53:49,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 2805 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 20:53:49,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:53:53,064 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-04 20:53:53,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:54:01,224 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-04 20:54:01,224 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:54:01,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103166698] [2024-11-04 20:54:01,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2103166698] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:54:01,225 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:54:01,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2024-11-04 20:54:01,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642563573] [2024-11-04 20:54:01,225 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:54:01,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 20:54:01,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:54:01,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 20:54:01,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:54:01,227 INFO L87 Difference]: Start difference. First operand 203 states and 265 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-04 20:54:05,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:54:05,286 INFO L93 Difference]: Finished difference Result 357 states and 466 transitions. [2024-11-04 20:54:05,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 20:54:05,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 148 [2024-11-04 20:54:05,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:54:05,289 INFO L225 Difference]: With dead ends: 357 [2024-11-04 20:54:05,289 INFO L226 Difference]: Without dead ends: 203 [2024-11-04 20:54:05,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:54:05,294 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 19 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-04 20:54:05,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 1193 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-04 20:54:05,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-04 20:54:05,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-04 20:54:05,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 127 states have (on average 1.188976377952756) internal successors, (151), 128 states have internal predecessors, (151), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-04 20:54:05,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 264 transitions. [2024-11-04 20:54:05,307 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 264 transitions. Word has length 148 [2024-11-04 20:54:05,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:54:05,308 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 264 transitions. [2024-11-04 20:54:05,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-04 20:54:05,308 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 264 transitions. [2024-11-04 20:54:05,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-04 20:54:05,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:54:05,310 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:54:05,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-04 20:54:05,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:54:05,511 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:54:05,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:54:05,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1305118524, now seen corresponding path program 1 times [2024-11-04 20:54:05,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:54:05,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357964331] [2024-11-04 20:54:05,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:54:05,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:54:05,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:54:05,516 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:54:05,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 20:54:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:54:11,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 2835 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 20:54:11,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:54:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-04 20:54:16,419 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:54:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-04 20:54:27,366 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:54:27,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357964331] [2024-11-04 20:54:27,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [357964331] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 20:54:27,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 20:54:27,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-11-04 20:54:27,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721386157] [2024-11-04 20:54:27,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 20:54:27,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 20:54:27,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:54:27,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 20:54:27,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-04 20:54:27,369 INFO L87 Difference]: Start difference. First operand 203 states and 264 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-04 20:54:36,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:54:36,482 INFO L93 Difference]: Finished difference Result 376 states and 498 transitions. [2024-11-04 20:54:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-04 20:54:36,483 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 156 [2024-11-04 20:54:36,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:54:36,494 INFO L225 Difference]: With dead ends: 376 [2024-11-04 20:54:36,494 INFO L226 Difference]: Without dead ends: 205 [2024-11-04 20:54:36,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-04 20:54:36,496 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 46 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-04 20:54:36,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1355 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2024-11-04 20:54:36,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-04 20:54:36,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-04 20:54:36,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 128 states have (on average 1.1875) internal successors, (152), 130 states have internal predecessors, (152), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-04 20:54:36,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 271 transitions. [2024-11-04 20:54:36,531 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 271 transitions. Word has length 156 [2024-11-04 20:54:36,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:54:36,535 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 271 transitions. [2024-11-04 20:54:36,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-04 20:54:36,536 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 271 transitions. [2024-11-04 20:54:36,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-04 20:54:36,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:54:36,548 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:54:36,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-04 20:54:36,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:54:36,749 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:54:36,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:54:36,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1346001346, now seen corresponding path program 1 times [2024-11-04 20:54:36,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:54:36,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673906630] [2024-11-04 20:54:36,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:54:36,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:54:36,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:54:36,753 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:54:36,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-04 20:54:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:54:43,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 2935 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 20:54:43,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:54:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-04 20:54:47,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:54:58,129 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-04 20:54:58,130 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:54:58,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673906630] [2024-11-04 20:54:58,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1673906630] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:54:58,130 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:54:58,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2024-11-04 20:54:58,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119939596] [2024-11-04 20:54:58,130 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:54:58,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-04 20:54:58,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:54:58,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-04 20:54:58,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-04 20:54:58,132 INFO L87 Difference]: Start difference. First operand 205 states and 271 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 5 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2024-11-04 20:55:01,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:55:01,681 INFO L93 Difference]: Finished difference Result 362 states and 479 transitions. [2024-11-04 20:55:01,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 20:55:01,681 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 5 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) Word has length 171 [2024-11-04 20:55:01,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:55:01,683 INFO L225 Difference]: With dead ends: 362 [2024-11-04 20:55:01,683 INFO L226 Difference]: Without dead ends: 205 [2024-11-04 20:55:01,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-04 20:55:01,685 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 54 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-04 20:55:01,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 906 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-04 20:55:01,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-04 20:55:01,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-04 20:55:01,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 128 states have (on average 1.1796875) internal successors, (151), 130 states have internal predecessors, (151), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-04 20:55:01,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 270 transitions. [2024-11-04 20:55:01,696 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 270 transitions. Word has length 171 [2024-11-04 20:55:01,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:55:01,697 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 270 transitions. [2024-11-04 20:55:01,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 5 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2024-11-04 20:55:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 270 transitions. [2024-11-04 20:55:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-04 20:55:01,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:55:01,699 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:55:01,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-04 20:55:01,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:55:01,899 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:55:01,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:55:01,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1304791319, now seen corresponding path program 1 times [2024-11-04 20:55:01,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:55:01,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917116610] [2024-11-04 20:55:01,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:55:01,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:55:01,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:55:01,904 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:55:01,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process