/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 bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 14:02:00,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 14:02:00,080 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 14:02:00,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 14:02:00,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 14:02:00,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 14:02:00,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 14:02:00,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 14:02:00,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 14:02:00,109 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 14:02:00,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 14:02:00,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 14:02:00,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 14:02:00,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 14:02:00,110 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 14:02:00,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 14:02:00,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 14:02:00,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 14:02:00,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 14:02:00,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 14:02:00,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 14:02:00,114 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 14:02:00,114 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 14:02:00,115 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 14:02:00,115 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 14:02:00,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 14:02:00,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 14:02:00,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 14:02:00,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 14:02:00,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 14:02:00,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 14:02:00,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 14:02:00,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 14:02:00,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 14:02:00,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 14:02:00,117 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 14:02:00,117 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 14:02:00,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 14:02:00,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 14:02:00,117 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 14:02:00,117 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 14:02:00,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 14:02:00,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 14:02:00,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 14:02:00,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 14:02:00,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 14:02:00,317 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 14:02:00,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2024-11-05 14:02:01,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 14:02:01,777 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 14:02:01,778 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2024-11-05 14:02:01,803 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bad86d36/1dbc079a45d24348b814d7e9dcd112a6/FLAG7e86b335e [2024-11-05 14:02:02,024 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bad86d36/1dbc079a45d24348b814d7e9dcd112a6 [2024-11-05 14:02:02,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 14:02:02,027 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 14:02:02,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 14:02:02,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 14:02:02,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 14:02:02,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:02:02" (1/1) ... [2024-11-05 14:02:02,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe386d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:02, skipping insertion in model container [2024-11-05 14:02:02,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:02:02" (1/1) ... [2024-11-05 14:02:02,101 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 14:02:02,302 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_init_dynamic_harness-1.i[4505,4518] [2024-11-05 14:02:02,309 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_init_dynamic_harness-1.i[4565,4578] [2024-11-05 14:02:02,748 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,863 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,863 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,864 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,869 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,870 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:02,870 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:02,871 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:02,873 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:02,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:02,877 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,877 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,878 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,879 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,888 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:02,888 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,889 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:02,889 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,890 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:02,890 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:02,892 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:02,893 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,123 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,123 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,124 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,127 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,191 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,200 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,205 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:02:03,283 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 14:02:03,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 14:02:03,301 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_init_dynamic_harness-1.i[4505,4518] [2024-11-05 14:02:03,302 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_init_dynamic_harness-1.i[4565,4578] [2024-11-05 14:02:03,321 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,348 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,349 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,349 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,351 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,356 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,358 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,358 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,359 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,360 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,362 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,363 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,363 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,365 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,365 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,366 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,397 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,398 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,398 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,398 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,413 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,422 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,424 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,424 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:03,426 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:02:03,468 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 14:02:03,478 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_init_dynamic_harness-1.i[4505,4518] [2024-11-05 14:02:03,479 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_init_dynamic_harness-1.i[4565,4578] [2024-11-05 14:02:03,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:03,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-05 14:02:03,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:02:03,722 INFO L204 MainTranslator]: Completed translation [2024-11-05 14:02:03,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03 WrapperNode [2024-11-05 14:02:03,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 14:02:03,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 14:02:03,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 14:02:03,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 14:02:03,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (1/1) ... [2024-11-05 14:02:03,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (1/1) ... [2024-11-05 14:02:03,811 INFO L138 Inliner]: procedures = 698, calls = 1512, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 733 [2024-11-05 14:02:03,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 14:02:03,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 14:02:03,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 14:02:03,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 14:02:03,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (1/1) ... [2024-11-05 14:02:03,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (1/1) ... [2024-11-05 14:02:03,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (1/1) ... [2024-11-05 14:02:03,888 INFO L175 MemorySlicer]: Split 287 memory accesses to 5 slices as follows [2, 238, 5, 35, 7]. 83 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 6, 5, 0, 1]. The 239 writes are split as follows [0, 232, 0, 6, 1]. [2024-11-05 14:02:03,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (1/1) ... [2024-11-05 14:02:03,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (1/1) ... [2024-11-05 14:02:03,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (1/1) ... [2024-11-05 14:02:03,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (1/1) ... [2024-11-05 14:02:03,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (1/1) ... [2024-11-05 14:02:03,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (1/1) ... [2024-11-05 14:02:03,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 14:02:03,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 14:02:03,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 14:02:03,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 14:02:03,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (1/1) ... [2024-11-05 14:02:03,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 14:02:03,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 14:02:03,975 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) [2024-11-05 14:02:03,980 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 [2024-11-05 14:02:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-05 14:02:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-05 14:02:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 14:02:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-05 14:02:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-05 14:02:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 14:02:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 14:02:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 14:02:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 14:02:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 14:02:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 14:02:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 14:02:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 14:02:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 14:02:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 14:02:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 14:02:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 14:02:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 14:02:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 14:02:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 14:02:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 14:02:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 14:02:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-05 14:02:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-05 14:02:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 14:02:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 14:02:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 14:02:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 14:02:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 14:02:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 14:02:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 14:02:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 14:02:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 14:02:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 14:02:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 14:02:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 14:02:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 14:02:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 14:02:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-05 14:02:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-05 14:02:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 14:02:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-05 14:02:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-05 14:02:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 14:02:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 14:02:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 14:02:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 14:02:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-05 14:02:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-05 14:02:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 14:02:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 14:02:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 14:02:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 14:02:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 14:02:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-05 14:02:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-05 14:02:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-05 14:02:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-05 14:02:04,262 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 14:02:04,264 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 14:02:12,695 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2024-11-05 14:02:12,695 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 14:02:12,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 14:02:12,710 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-05 14:02:12,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:02:12 BoogieIcfgContainer [2024-11-05 14:02:12,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 14:02:12,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 14:02:12,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 14:02:12,714 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 14:02:12,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 02:02:02" (1/3) ... [2024-11-05 14:02:12,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151e8fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:02:12, skipping insertion in model container [2024-11-05 14:02:12,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:03" (2/3) ... [2024-11-05 14:02:12,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151e8fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:02:12, skipping insertion in model container [2024-11-05 14:02:12,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:02:12" (3/3) ... [2024-11-05 14:02:12,716 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness-1.i [2024-11-05 14:02:12,727 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 14:02:12,728 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 14:02:12,782 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 14:02:12,786 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;@133f2130, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 14:02:12,786 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 14:02:12,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 132 states have internal predecessors, (166), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-05 14:02:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-05 14:02:12,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:02:12,797 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-11-05 14:02:12,797 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:02:12,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:02:12,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1079394742, now seen corresponding path program 1 times [2024-11-05 14:02:12,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:02:12,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076001519] [2024-11-05 14:02:12,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:02:12,807 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:02:12,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:02:12,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 14:02:12,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 14:02:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:02:18,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 2432 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 14:02:18,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:02:18,051 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-05 14:02:18,051 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:02:21,926 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-05 14:02:21,927 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:02:21,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076001519] [2024-11-05 14:02:21,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1076001519] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 14:02:21,928 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 14:02:21,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 14:02:21,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067131259] [2024-11-05 14:02:21,930 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 14:02:21,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 14:02:21,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:02:21,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 14:02:21,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 14:02:21,956 INFO L87 Difference]: Start difference. First operand has 204 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 132 states have internal predecessors, (166), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-05 14:02:21,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:02:21,996 INFO L93 Difference]: Finished difference Result 399 states and 583 transitions. [2024-11-05 14:02:21,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 14:02:21,998 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 110 [2024-11-05 14:02:21,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:02:22,005 INFO L225 Difference]: With dead ends: 399 [2024-11-05 14:02:22,005 INFO L226 Difference]: Without dead ends: 197 [2024-11-05 14:02:22,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 14:02:22,011 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 [2024-11-05 14:02:22,011 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] [2024-11-05 14:02:22,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-05 14:02:22,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-11-05 14:02:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 124 states have (on average 1.2258064516129032) internal successors, (152), 126 states have internal predecessors, (152), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-05 14:02:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 262 transitions. [2024-11-05 14:02:22,060 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 262 transitions. Word has length 110 [2024-11-05 14:02:22,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:02:22,061 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 262 transitions. [2024-11-05 14:02:22,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-05 14:02:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 262 transitions. [2024-11-05 14:02:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-05 14:02:22,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:02:22,064 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 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] [2024-11-05 14:02:22,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 14:02:22,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:02:22,266 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:02:22,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:02:22,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1166699883, now seen corresponding path program 1 times [2024-11-05 14:02:22,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:02:22,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187406190] [2024-11-05 14:02:22,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:02:22,268 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:02:22,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:02:22,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 14:02:22,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 14:02:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:02:27,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 14:02:27,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:02:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-05 14:02:29,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:02:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-05 14:02:40,823 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:02:40,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187406190] [2024-11-05 14:02:40,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [187406190] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 14:02:40,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 14:02:40,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2024-11-05 14:02:40,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14604267] [2024-11-05 14:02:40,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 14:02:40,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 14:02:40,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:02:40,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 14:02:40,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-05 14:02:40,826 INFO L87 Difference]: Start difference. First operand 197 states and 262 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-05 14:02:43,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:02:43,210 INFO L93 Difference]: Finished difference Result 380 states and 499 transitions. [2024-11-05 14:02:43,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 14:02:43,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 144 [2024-11-05 14:02:43,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:02:43,213 INFO L225 Difference]: With dead ends: 380 [2024-11-05 14:02:43,213 INFO L226 Difference]: Without dead ends: 197 [2024-11-05 14:02:43,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-05 14:02:43,215 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 7 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-05 14:02:43,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1260 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-05 14:02:43,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-05 14:02:43,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-11-05 14:02:43,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 124 states have (on average 1.217741935483871) internal successors, (151), 126 states have internal predecessors, (151), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-05 14:02:43,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 261 transitions. [2024-11-05 14:02:43,231 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 261 transitions. Word has length 144 [2024-11-05 14:02:43,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:02:43,231 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 261 transitions. [2024-11-05 14:02:43,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-05 14:02:43,231 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 261 transitions. [2024-11-05 14:02:43,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-05 14:02:43,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:02:43,233 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 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] [2024-11-05 14:02:43,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-05 14:02:43,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:02:43,433 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:02:43,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:02:43,434 INFO L85 PathProgramCache]: Analyzing trace with hash 694560411, now seen corresponding path program 1 times [2024-11-05 14:02:43,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:02:43,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [553618030] [2024-11-05 14:02:43,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:02:43,434 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:02:43,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:02:43,436 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 14:02:43,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 14:02:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:02:48,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 2534 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 14:02:48,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:02:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-05 14:02:52,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:03:05,253 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-05 14:03:05,254 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:03:05,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [553618030] [2024-11-05 14:03:05,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [553618030] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 14:03:05,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 14:03:05,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-11-05 14:03:05,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230744696] [2024-11-05 14:03:05,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 14:03:05,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 14:03:05,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:03:05,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 14:03:05,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-05 14:03:05,257 INFO L87 Difference]: Start difference. First operand 197 states and 261 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-05 14:03:08,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:03:08,386 INFO L93 Difference]: Finished difference Result 383 states and 501 transitions. [2024-11-05 14:03:08,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-05 14:03:08,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 148 [2024-11-05 14:03:08,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:03:08,389 INFO L225 Difference]: With dead ends: 383 [2024-11-05 14:03:08,389 INFO L226 Difference]: Without dead ends: 199 [2024-11-05 14:03:08,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-05 14:03:08,394 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 8 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-05 14:03:08,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1506 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-05 14:03:08,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-05 14:03:08,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 198. [2024-11-05 14:03:08,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 125 states have (on average 1.216) internal successors, (152), 127 states have internal predecessors, (152), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-05 14:03:08,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 262 transitions. [2024-11-05 14:03:08,406 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 262 transitions. Word has length 148 [2024-11-05 14:03:08,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:03:08,407 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 262 transitions. [2024-11-05 14:03:08,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-05 14:03:08,407 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 262 transitions. [2024-11-05 14:03:08,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-05 14:03:08,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:03:08,409 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 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] [2024-11-05 14:03:08,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-05 14:03:08,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:03:08,614 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:03:08,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:03:08,615 INFO L85 PathProgramCache]: Analyzing trace with hash -871952161, now seen corresponding path program 1 times [2024-11-05 14:03:08,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:03:08,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1425434434] [2024-11-05 14:03:08,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:03:08,615 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:03:08,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:03:08,616 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 14:03:08,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 14:03:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:03:13,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 2556 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 14:03:13,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:03:18,986 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 154 proven. 1 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-05 14:03:18,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:03:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-05 14:03:34,366 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:03:34,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1425434434] [2024-11-05 14:03:34,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1425434434] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 14:03:34,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 14:03:34,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-05 14:03:34,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210431677] [2024-11-05 14:03:34,366 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 14:03:34,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-05 14:03:34,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:03:34,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-05 14:03:34,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-05 14:03:34,368 INFO L87 Difference]: Start difference. First operand 198 states and 262 transitions. Second operand has 13 states, 11 states have (on average 8.363636363636363) internal successors, (92), 13 states have internal predecessors, (92), 6 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) [2024-11-05 14:03:40,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:03:40,997 INFO L93 Difference]: Finished difference Result 386 states and 504 transitions. [2024-11-05 14:03:40,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-05 14:03:40,998 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.363636363636363) internal successors, (92), 13 states have internal predecessors, (92), 6 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) Word has length 152 [2024-11-05 14:03:40,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:03:41,000 INFO L225 Difference]: With dead ends: 386 [2024-11-05 14:03:41,000 INFO L226 Difference]: Without dead ends: 201 [2024-11-05 14:03:41,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-05 14:03:41,002 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 11 mSDsluCounter, 2003 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2257 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-05 14:03:41,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2257 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-05 14:03:41,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-05 14:03:41,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 200. [2024-11-05 14:03:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 127 states have (on average 1.2125984251968505) internal successors, (154), 129 states have internal predecessors, (154), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-05 14:03:41,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 264 transitions. [2024-11-05 14:03:41,012 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 264 transitions. Word has length 152 [2024-11-05 14:03:41,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:03:41,012 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 264 transitions. [2024-11-05 14:03:41,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.363636363636363) internal successors, (92), 13 states have internal predecessors, (92), 6 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) [2024-11-05 14:03:41,012 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 264 transitions. [2024-11-05 14:03:41,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-05 14:03:41,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:03:41,014 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 2, 2, 2, 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] [2024-11-05 14:03:41,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 14:03:41,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:03:41,215 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:03:41,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:03:41,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1993107165, now seen corresponding path program 2 times [2024-11-05 14:03:41,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:03:41,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2000321448] [2024-11-05 14:03:41,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:03:41,216 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:03:41,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:03:41,217 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 14:03:41,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 14:03:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:03:46,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 2578 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-05 14:03:46,433 INFO L278 TraceCheckSpWp]: Computing forward predicates...