/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.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 14:02:12,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 14:02:12,130 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 14:02:12,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 14:02:12,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 14:02:12,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 14:02:12,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 14:02:12,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 14:02:12,172 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 14:02:12,173 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 14:02:12,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 14:02:12,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 14:02:12,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 14:02:12,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 14:02:12,174 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 14:02:12,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 14:02:12,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 14:02:12,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 14:02:12,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 14:02:12,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 14:02:12,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 14:02:12,180 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 14:02:12,180 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 14:02:12,181 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 14:02:12,181 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 14:02:12,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 14:02:12,181 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 14:02:12,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 14:02:12,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 14:02:12,182 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 14:02:12,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 14:02:12,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 14:02:12,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 14:02:12,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 14:02:12,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 14:02:12,183 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 14:02:12,183 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 14:02:12,184 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 14:02:12,184 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 14:02:12,185 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 14:02:12,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 14:02:12,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 14:02:12,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 14:02:12,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 14:02:12,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 14:02:12,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 14:02:12,419 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 14:02:12,420 INFO L431 ainManager$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.i [2024-11-05 14:02:13,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 14:02:14,266 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 14:02:14,267 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2024-11-05 14:02:14,309 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf640ec4/57e5ae4753434db68d8fcac22c964302/FLAG890577bf0 [2024-11-05 14:02:14,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf640ec4/57e5ae4753434db68d8fcac22c964302 [2024-11-05 14:02:14,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 14:02:14,331 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 14:02:14,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 14:02:14,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 14:02:14,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 14:02:14,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:02:14" (1/1) ... [2024-11-05 14:02:14,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9f9dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:14, skipping insertion in model container [2024-11-05 14:02:14,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:02:14" (1/1) ... [2024-11-05 14:02:14,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 14:02:14,700 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.i[4505,4518] [2024-11-05 14:02:14,709 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.i[4565,4578] [2024-11-05 14:02:15,244 WARN 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 14:02:15,385 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:15,385 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:15,386 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:15,392 WARN 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 14:02:15,393 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:15,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:15,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:15,395 WARN 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 14:02:15,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:15,396 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:15,398 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 14:02:15,399 WARN 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 14:02:15,401 WARN 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 14:02:15,401 WARN 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 14:02:15,410 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:15,411 WARN 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 14:02:15,411 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:15,412 WARN 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 14:02:15,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:15,414 WARN 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 14:02:15,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:15,414 WARN 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 14:02:15,686 WARN 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 14:02:15,687 WARN 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 14:02:15,687 WARN 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 14:02:15,688 WARN 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 14:02:15,770 WARN 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 14:02:15,783 WARN 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 14:02:15,792 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:15,793 WARN 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 14:02:15,793 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:15,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:02:15,918 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 14:02:15,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 14:02:15,956 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.i[4505,4518] [2024-11-05 14:02:15,957 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.i[4565,4578] [2024-11-05 14:02:15,987 WARN 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 14:02:16,015 WARN 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 14:02:16,015 WARN 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 14:02:16,016 WARN 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 14:02:16,023 WARN 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 14:02:16,028 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,028 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,029 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,029 WARN 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 14:02:16,029 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,031 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:16,031 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:16,035 WARN 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 14:02:16,035 WARN 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 14:02:16,039 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,039 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:16,040 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,040 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:16,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,041 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:16,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,043 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:16,094 WARN 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 14:02:16,095 WARN 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 14:02:16,096 WARN 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 14:02:16,098 WARN 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 14:02:16,120 WARN 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 14:02:16,132 WARN 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 14:02:16,135 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:16,136 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:02:16,174 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 14:02:16,193 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.i[4505,4518] [2024-11-05 14:02:16,194 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.i[4565,4578] [2024-11-05 14:02:16,240 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,247 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,247 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,301 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,301 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:16,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-05 14:02:16,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:02:16,525 INFO L204 MainTranslator]: Completed translation [2024-11-05 14:02:16,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16 WrapperNode [2024-11-05 14:02:16,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 14:02:16,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 14:02:16,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 14:02:16,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 14:02:16,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (1/1) ... [2024-11-05 14:02:16,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (1/1) ... [2024-11-05 14:02:16,711 INFO L138 Inliner]: procedures = 698, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 759 [2024-11-05 14:02:16,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 14:02:16,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 14:02:16,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 14:02:16,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 14:02:16,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (1/1) ... [2024-11-05 14:02:16,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (1/1) ... [2024-11-05 14:02:16,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (1/1) ... [2024-11-05 14:02:16,828 INFO L175 MemorySlicer]: Split 301 memory accesses to 5 slices as follows [2, 5, 238, 48, 8]. 79 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 5, 6, 0, 2]. The 252 writes are split as follows [0, 0, 232, 19, 1]. [2024-11-05 14:02:16,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (1/1) ... [2024-11-05 14:02:16,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (1/1) ... [2024-11-05 14:02:16,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (1/1) ... [2024-11-05 14:02:16,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (1/1) ... [2024-11-05 14:02:16,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (1/1) ... [2024-11-05 14:02:16,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (1/1) ... [2024-11-05 14:02:16,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 14:02:16,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 14:02:16,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 14:02:16,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 14:02:16,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (1/1) ... [2024-11-05 14:02:16,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 14:02:16,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 14:02:16,954 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 14:02:16,960 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 14:02:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-05 14:02:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-05 14:02:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 14:02:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-05 14:02:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-05 14:02:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 14:02:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 14:02:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 14:02:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 14:02:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 14:02:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 14:02:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 14:02:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 14:02:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 14:02:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 14:02:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 14:02:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 14:02:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 14:02:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 14:02:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 14:02:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 14:02:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 14:02:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-05 14:02:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-05 14:02:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 14:02:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 14:02:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 14:02:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 14:02:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 14:02:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 14:02:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 14:02:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 14:02:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 14:02:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 14:02:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 14:02:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 14:02:16,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 14:02:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 14:02:16,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 14:02:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 14:02:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 14:02:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 14:02:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 14:02:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 14:02:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 14:02:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 14:02:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 14:02:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 14:02:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 14:02:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-05 14:02:16,990 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-05 14:02:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-05 14:02:16,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-05 14:02:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 14:02:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 14:02:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 14:02:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 14:02:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 14:02:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-05 14:02:16,991 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-05 14:02:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-05 14:02:16,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-05 14:02:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 14:02:16,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 14:02:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 14:02:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 14:02:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 14:02:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 14:02:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 14:02:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 14:02:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 14:02:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 14:02:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 14:02:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 14:02:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 14:02:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 14:02:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 14:02:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 14:02:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 14:02:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 14:02:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 14:02:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 14:02:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 14:02:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 14:02:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 14:02:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 14:02:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 14:02:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-05 14:02:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-05 14:02:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 14:02:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 14:02:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 14:02:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 14:02:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 14:02:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 14:02:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 14:02:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 14:02:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 14:02:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 14:02:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-05 14:02:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-05 14:02:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-05 14:02:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-05 14:02:17,349 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 14:02:17,352 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 14:02:26,344 INFO L? ?]: Removed 152 outVars from TransFormulas that were not future-live. [2024-11-05 14:02:26,345 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 14:02:26,367 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 14:02:26,367 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-05 14:02:26,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:02:26 BoogieIcfgContainer [2024-11-05 14:02:26,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 14:02:26,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 14:02:26,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 14:02:26,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 14:02:26,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 02:02:14" (1/3) ... [2024-11-05 14:02:26,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737507d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:02:26, skipping insertion in model container [2024-11-05 14:02:26,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:16" (2/3) ... [2024-11-05 14:02:26,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737507d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:02:26, skipping insertion in model container [2024-11-05 14:02:26,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:02:26" (3/3) ... [2024-11-05 14:02:26,376 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness.i [2024-11-05 14:02:26,390 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 14:02:26,391 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 14:02:26,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 14:02:26,467 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;@d68490b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 14:02:26,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 14:02:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 217 states, 139 states have (on average 1.2446043165467626) internal successors, (173), 139 states have internal predecessors, (173), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-05 14:02:26,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-05 14:02:26,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:02:26,487 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 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] [2024-11-05 14:02:26,488 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:02:26,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:02:26,494 INFO L85 PathProgramCache]: Analyzing trace with hash 652124503, now seen corresponding path program 1 times [2024-11-05 14:02:26,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:02:26,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460300472] [2024-11-05 14:02:26,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:02:26,505 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:02:26,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:02:26,507 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 14:02:26,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 14:02:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:02:32,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 2720 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 14:02:32,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:02:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-05 14:02:32,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:02:37,761 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-05 14:02:37,762 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:02:37,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1460300472] [2024-11-05 14:02:37,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1460300472] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 14:02:37,763 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 14:02:37,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 14:02:37,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249589606] [2024-11-05 14:02:37,766 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 14:02:37,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 14:02:37,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:02:37,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 14:02:37,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 14:02:37,803 INFO L87 Difference]: Start difference. First operand has 217 states, 139 states have (on average 1.2446043165467626) internal successors, (173), 139 states have internal predecessors, (173), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-05 14:02:37,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:02:37,863 INFO L93 Difference]: Finished difference Result 408 states and 598 transitions. [2024-11-05 14:02:37,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 14:02:37,871 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 142 [2024-11-05 14:02:37,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:02:37,885 INFO L225 Difference]: With dead ends: 408 [2024-11-05 14:02:37,885 INFO L226 Difference]: Without dead ends: 210 [2024-11-05 14:02:37,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 282 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 14:02:37,897 INFO L432 NwaCegarLoop]: 289 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, 289 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 14:02:37,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 14:02:37,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-05 14:02:37,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-05 14:02:37,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 131 states have (on average 1.213740458015267) internal successors, (159), 133 states have internal predecessors, (159), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-05 14:02:37,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 281 transitions. [2024-11-05 14:02:37,956 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 281 transitions. Word has length 142 [2024-11-05 14:02:37,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:02:37,958 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 281 transitions. [2024-11-05 14:02:37,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-05 14:02:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 281 transitions. [2024-11-05 14:02:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-05 14:02:37,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:02:37,962 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 14:02:37,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 14:02:38,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:02:38,164 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:02:38,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:02:38,165 INFO L85 PathProgramCache]: Analyzing trace with hash -21824476, now seen corresponding path program 1 times [2024-11-05 14:02:38,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:02:38,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [582436100] [2024-11-05 14:02:38,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:02:38,166 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:02:38,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:02:38,168 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 14:02:38,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 14:02:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:02:43,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 2812 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 14:02:43,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:02:45,846 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-05 14:02:45,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:02:57,000 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-05 14:02:57,000 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:02:57,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [582436100] [2024-11-05 14:02:57,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [582436100] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 14:02:57,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 14:02:57,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2024-11-05 14:02:57,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621410477] [2024-11-05 14:02:57,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 14:02:57,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 14:02:57,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:02:57,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 14:02:57,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-05 14:02:57,004 INFO L87 Difference]: Start difference. First operand 210 states and 281 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-05 14:02:59,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:02:59,333 INFO L93 Difference]: Finished difference Result 389 states and 514 transitions. [2024-11-05 14:02:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 14:02:59,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 176 [2024-11-05 14:02:59,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:02:59,338 INFO L225 Difference]: With dead ends: 389 [2024-11-05 14:02:59,338 INFO L226 Difference]: Without dead ends: 210 [2024-11-05 14:02:59,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-05 14:02:59,340 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 7 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1355 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 14:02:59,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1355 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-05 14:02:59,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-05 14:02:59,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-05 14:02:59,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 131 states have (on average 1.2061068702290076) internal successors, (158), 133 states have internal predecessors, (158), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-05 14:02:59,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 280 transitions. [2024-11-05 14:02:59,362 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 280 transitions. Word has length 176 [2024-11-05 14:02:59,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:02:59,364 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 280 transitions. [2024-11-05 14:02:59,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-05 14:02:59,365 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 280 transitions. [2024-11-05 14:02:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-05 14:02:59,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:02:59,370 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 14:02:59,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 14:02:59,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:02:59,571 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:02:59,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:02:59,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1741263756, now seen corresponding path program 1 times [2024-11-05 14:02:59,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:02:59,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310475126] [2024-11-05 14:02:59,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:02:59,572 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:02:59,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:02:59,574 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 14:02:59,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 14:03:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:03:04,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 2822 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 14:03:04,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:03:07,727 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-05 14:03:07,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:03:20,697 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-05 14:03:20,698 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:03:20,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310475126] [2024-11-05 14:03:20,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1310475126] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 14:03:20,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 14:03:20,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-11-05 14:03:20,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972292835] [2024-11-05 14:03:20,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 14:03:20,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 14:03:20,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:03:20,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 14:03:20,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-05 14:03:20,701 INFO L87 Difference]: Start difference. First operand 210 states and 280 transitions. Second operand has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-05 14:03:23,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:03:23,431 INFO L93 Difference]: Finished difference Result 392 states and 516 transitions. [2024-11-05 14:03:23,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-05 14:03:23,432 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 180 [2024-11-05 14:03:23,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:03:23,436 INFO L225 Difference]: With dead ends: 392 [2024-11-05 14:03:23,436 INFO L226 Difference]: Without dead ends: 212 [2024-11-05 14:03:23,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-05 14:03:23,437 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 9 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-05 14:03:23,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1351 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-05 14:03:23,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-05 14:03:23,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 211. [2024-11-05 14:03:23,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 132 states have (on average 1.2045454545454546) internal successors, (159), 134 states have internal predecessors, (159), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-05 14:03:23,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 281 transitions. [2024-11-05 14:03:23,465 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 281 transitions. Word has length 180 [2024-11-05 14:03:23,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:03:23,466 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 281 transitions. [2024-11-05 14:03:23,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-05 14:03:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 281 transitions. [2024-11-05 14:03:23,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-05 14:03:23,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:03:23,469 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 14:03:23,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-05 14:03:23,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:03:23,670 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:03:23,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:03:23,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1023679440, now seen corresponding path program 1 times [2024-11-05 14:03:23,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:03:23,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1962957750] [2024-11-05 14:03:23,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:03:23,672 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:03:23,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:03:23,673 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 14:03:23,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 14:03:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:03:29,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 2844 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 14:03:29,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:03:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 154 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-05 14:03:32,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:03:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-05 14:03:47,505 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:03:47,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1962957750] [2024-11-05 14:03:47,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1962957750] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 14:03:47,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 14:03:47,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-05 14:03:47,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002477169] [2024-11-05 14:03:47,505 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 14:03:47,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-05 14:03:47,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:03:47,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-05 14:03:47,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-05 14:03:47,507 INFO L87 Difference]: Start difference. First operand 211 states and 281 transitions. Second operand has 13 states, 11 states have (on average 8.545454545454545) internal successors, (94), 13 states have internal predecessors, (94), 6 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (41), 6 states have call predecessors, (41), 6 states have call successors, (41)