/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_static_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 14:02:44,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 14:02:44,853 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 14:02:44,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 14:02:44,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 14:02:44,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 14:02:44,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 14:02:44,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 14:02:44,880 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 14:02:44,881 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 14:02:44,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 14:02:44,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 14:02:44,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 14:02:44,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 14:02:44,882 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 14:02:44,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 14:02:44,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 14:02:44,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 14:02:44,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 14:02:44,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 14:02:44,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 14:02:44,886 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 14:02:44,886 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 14:02:44,886 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 14:02:44,888 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 14:02:44,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 14:02:44,888 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 14:02:44,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 14:02:44,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 14:02:44,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 14:02:44,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 14:02:44,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 14:02:44,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 14:02:44,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 14:02:44,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 14:02:44,890 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 14:02:44,890 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 14:02:44,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 14:02:44,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 14:02:44,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 14:02:44,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 14:02:44,891 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 14:02:45,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 14:02:45,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 14:02:45,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 14:02:45,078 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 14:02:45,078 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 14:02:45,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_static_harness_negated.i [2024-11-05 14:02:46,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 14:02:46,614 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 14:02:46,615 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_static_harness_negated.i [2024-11-05 14:02:46,641 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7788bafc9/1e4b3f23d290459da002528c72f09d52/FLAG2f9d8c8e7 [2024-11-05 14:02:46,853 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7788bafc9/1e4b3f23d290459da002528c72f09d52 [2024-11-05 14:02:46,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 14:02:46,856 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 14:02:46,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 14:02:46,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 14:02:46,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 14:02:46,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:02:46" (1/1) ... [2024-11-05 14:02:46,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@afe6faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:46, skipping insertion in model container [2024-11-05 14:02:46,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:02:46" (1/1) ... [2024-11-05 14:02:46,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 14:02:47,145 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_static_harness_negated.i[4504,4517] [2024-11-05 14:02:47,153 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_static_harness_negated.i[4564,4577] [2024-11-05 14:02:47,524 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:47,637 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 14:02:47,638 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 14:02:47,638 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 14:02:47,647 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 14:02:47,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:47,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:47,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:47,649 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 14:02:47,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:47,650 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:47,652 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 14:02:47,652 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 14:02:47,656 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 14:02:47,657 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 14:02:47,662 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:47,662 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 14:02:47,662 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:47,662 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 14:02:47,663 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:47,664 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 14:02:47,664 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:47,664 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 14:02:47,883 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 14:02:47,884 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 14:02:47,885 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 14:02:47,885 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 14:02:47,994 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 14:02:48,014 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 14:02:48,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,046 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 14:02:48,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,092 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 14:02:48,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:02:48,134 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 14:02:48,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 14:02:48,165 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_static_harness_negated.i[4504,4517] [2024-11-05 14:02:48,166 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_static_harness_negated.i[4564,4577] [2024-11-05 14:02:48,188 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 14:02:48,219 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 14:02:48,219 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 14:02:48,219 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 14:02:48,221 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 14:02:48,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,226 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,226 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,227 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 14:02:48,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,228 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 14:02:48,228 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 14:02:48,229 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 14:02:48,229 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 14:02:48,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,232 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 14:02:48,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,233 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 14:02:48,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,233 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 14:02:48,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,234 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 14:02:48,265 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 14:02:48,265 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 14:02:48,266 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 14:02:48,266 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 14:02:48,287 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:02:48,291 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 14:02:48,296 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,297 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 14:02:48,297 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,309 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 14:02:48,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:02:48,319 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 14:02:48,328 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_static_harness_negated.i[4504,4517] [2024-11-05 14:02:48,329 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_static_harness_negated.i[4564,4577] [2024-11-05 14:02:48,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,378 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,378 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,423 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,427 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:02:48,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-05 14:02:48,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:02:48,639 INFO L204 MainTranslator]: Completed translation [2024-11-05 14:02:48,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48 WrapperNode [2024-11-05 14:02:48,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 14:02:48,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 14:02:48,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 14:02:48,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 14:02:48,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (1/1) ... [2024-11-05 14:02:48,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (1/1) ... [2024-11-05 14:02:48,764 INFO L138 Inliner]: procedures = 698, calls = 1525, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 681 [2024-11-05 14:02:48,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 14:02:48,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 14:02:48,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 14:02:48,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 14:02:48,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (1/1) ... [2024-11-05 14:02:48,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (1/1) ... [2024-11-05 14:02:48,788 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (1/1) ... [2024-11-05 14:02:48,855 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 2, 238, 49, 5]. 80 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 0, 6, 2, 5]. The 252 writes are split as follows [0, 0, 232, 20, 0]. [2024-11-05 14:02:48,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (1/1) ... [2024-11-05 14:02:48,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (1/1) ... [2024-11-05 14:02:48,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (1/1) ... [2024-11-05 14:02:48,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (1/1) ... [2024-11-05 14:02:48,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (1/1) ... [2024-11-05 14:02:48,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (1/1) ... [2024-11-05 14:02:48,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 14:02:48,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 14:02:48,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 14:02:48,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 14:02:48,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (1/1) ... [2024-11-05 14:02:48,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 14:02:48,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 14:02:48,960 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 14:02:48,962 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 14:02:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-05 14:02:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-05 14:02:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 14:02:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-05 14:02:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-05 14:02:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 14:02:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 14:02:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 14:02:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 14:02:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 14:02:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 14:02:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 14:02:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 14:02:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 14:02:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 14:02:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 14:02:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 14:02:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 14:02:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 14:02:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 14:02:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 14:02:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 14:02:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 14:02:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 14:02:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 14:02:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 14:02:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 14:02:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 14:02:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 14:02:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 14:02:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 14:02:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 14:02:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 14:02:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 14:02:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 14:02:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 14:02:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 14:02:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 14:02:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 14:02:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 14:02:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 14:02:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 14:02:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 14:02:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 14:02:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 14:02:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-05 14:02:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-05 14:02:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-05 14:02:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-05 14:02:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 14:02:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 14:02:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 14:02:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 14:02:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 14:02:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-05 14:02:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-05 14:02:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 14:02:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 14:02:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 14:02:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 14:02:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 14:02:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 14:02:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 14:02:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 14:02:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 14:02:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 14:02:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 14:02:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 14:02:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 14:02:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 14:02:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 14:02:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 14:02:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 14:02:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 14:02:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 14:02:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 14:02:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 14:02:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 14:02:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 14:02:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-05 14:02:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-05 14:02:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-05 14:02:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-05 14:02:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 14:02:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 14:02:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 14:02:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 14:02:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 14:02:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 14:02:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 14:02:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 14:02:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 14:02:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 14:02:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-05 14:02:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-05 14:02:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-05 14:02:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-05 14:02:49,321 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 14:02:49,323 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 14:02:59,496 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-11-05 14:02:59,496 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 14:02:59,510 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 14:02:59,511 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-05 14:02:59,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:02:59 BoogieIcfgContainer [2024-11-05 14:02:59,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 14:02:59,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 14:02:59,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 14:02:59,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 14:02:59,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 02:02:46" (1/3) ... [2024-11-05 14:02:59,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70150749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:02:59, skipping insertion in model container [2024-11-05 14:02:59,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:02:48" (2/3) ... [2024-11-05 14:02:59,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70150749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:02:59, skipping insertion in model container [2024-11-05 14:02:59,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:02:59" (3/3) ... [2024-11-05 14:02:59,518 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_static_harness_negated.i [2024-11-05 14:02:59,529 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 14:02:59,530 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 14:02:59,585 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 14:02:59,591 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;@4b04c84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 14:02:59,591 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 14:02:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 106 states have (on average 1.2169811320754718) internal successors, (129), 106 states have internal predecessors, (129), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-05 14:02:59,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-05 14:02:59,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:02:59,606 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1] [2024-11-05 14:02:59,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:02:59,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:02:59,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1322427041, now seen corresponding path program 1 times [2024-11-05 14:02:59,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:02:59,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241074320] [2024-11-05 14:02:59,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:02:59,617 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:02:59,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:02:59,619 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 14:02:59,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 14:03:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:03:04,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 2775 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 14:03:04,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:03:05,013 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-11-05 14:03:05,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:03:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-11-05 14:03:10,106 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:03:10,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241074320] [2024-11-05 14:03:10,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1241074320] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 14:03:10,106 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 14:03:10,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 14:03:10,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834476413] [2024-11-05 14:03:10,109 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 14:03:10,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 14:03:10,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:03:10,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 14:03:10,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 14:03:10,130 INFO L87 Difference]: Start difference. First operand has 168 states, 106 states have (on average 1.2169811320754718) internal successors, (129), 106 states have internal predecessors, (129), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-05 14:03:10,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:03:10,165 INFO L93 Difference]: Finished difference Result 312 states and 447 transitions. [2024-11-05 14:03:10,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 14:03:10,168 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 154 [2024-11-05 14:03:10,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:03:10,174 INFO L225 Difference]: With dead ends: 312 [2024-11-05 14:03:10,175 INFO L226 Difference]: Without dead ends: 162 [2024-11-05 14:03:10,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 306 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 14:03:10,181 INFO L432 NwaCegarLoop]: 219 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, 219 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 14:03:10,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 14:03:10,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-05 14:03:10,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-05 14:03:10,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 100 states have (on average 1.17) internal successors, (117), 101 states have internal predecessors, (117), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-05 14:03:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 212 transitions. [2024-11-05 14:03:10,224 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 212 transitions. Word has length 154 [2024-11-05 14:03:10,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:03:10,225 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 212 transitions. [2024-11-05 14:03:10,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-05 14:03:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 212 transitions. [2024-11-05 14:03:10,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-05 14:03:10,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:03:10,229 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 14:03:10,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 14:03:10,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:03:10,434 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:03:10,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:03:10,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1709234866, now seen corresponding path program 1 times [2024-11-05 14:03:10,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:03:10,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317429797] [2024-11-05 14:03:10,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:03:10,435 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:03:10,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:03:10,436 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 14:03:10,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 14:03:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:03:15,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 2821 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 14:03:15,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:03:17,781 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-05 14:03:17,781 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:03:28,520 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-11-05 14:03:28,521 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:03:28,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317429797] [2024-11-05 14:03:28,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [317429797] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 14:03:28,521 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 14:03:28,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2024-11-05 14:03:28,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201288031] [2024-11-05 14:03:28,521 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 14:03:28,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-05 14:03:28,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:03:28,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-05 14:03:28,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-05 14:03:28,524 INFO L87 Difference]: Start difference. First operand 162 states and 212 transitions. Second operand has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 9 states have internal predecessors, (64), 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) [2024-11-05 14:03:30,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:03:30,702 INFO L93 Difference]: Finished difference Result 275 states and 355 transitions. [2024-11-05 14:03:30,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 14:03:30,703 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 9 states have internal predecessors, (64), 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) Word has length 171 [2024-11-05 14:03:30,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:03:30,705 INFO L225 Difference]: With dead ends: 275 [2024-11-05 14:03:30,705 INFO L226 Difference]: Without dead ends: 162 [2024-11-05 14:03:30,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-05 14:03:30,707 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 7 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-05 14:03:30,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1219 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-05 14:03:30,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-05 14:03:30,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-05 14:03:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 100 states have (on average 1.16) internal successors, (116), 101 states have internal predecessors, (116), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-05 14:03:30,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 211 transitions. [2024-11-05 14:03:30,722 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 211 transitions. Word has length 171 [2024-11-05 14:03:30,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:03:30,723 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 211 transitions. [2024-11-05 14:03:30,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 9 states have internal predecessors, (64), 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) [2024-11-05 14:03:30,723 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 211 transitions. [2024-11-05 14:03:30,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-05 14:03:30,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:03:30,725 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 14:03:30,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 14:03:30,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:03:30,928 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:03:30,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:03:30,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1239998950, now seen corresponding path program 1 times [2024-11-05 14:03:30,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:03:30,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506809707] [2024-11-05 14:03:30,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:03:30,929 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:03:30,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:03:30,930 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 14:03:30,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 14:03:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:03:35,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 2826 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 14:03:35,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:03:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-05 14:03:38,754 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:03:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-11-05 14:03:50,682 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:03:50,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506809707] [2024-11-05 14:03:50,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1506809707] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 14:03:50,682 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 14:03:50,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2024-11-05 14:03:50,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464913315] [2024-11-05 14:03:50,683 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 14:03:50,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-05 14:03:50,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:03:50,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-05 14:03:50,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-05 14:03:50,684 INFO L87 Difference]: Start difference. First operand 162 states and 211 transitions. Second operand has 11 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 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) [2024-11-05 14:03:53,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:03:53,420 INFO L93 Difference]: Finished difference Result 278 states and 358 transitions. [2024-11-05 14:03:53,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 14:03:53,421 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 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) Word has length 173 [2024-11-05 14:03:53,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:03:53,423 INFO L225 Difference]: With dead ends: 278 [2024-11-05 14:03:53,423 INFO L226 Difference]: Without dead ends: 164 [2024-11-05 14:03:53,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-05 14:03:53,424 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 10 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-05 14:03:53,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1214 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-05 14:03:53,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-05 14:03:53,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 163. [2024-11-05 14:03:53,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 101 states have (on average 1.1584158415841583) internal successors, (117), 102 states have internal predecessors, (117), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-05 14:03:53,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 212 transitions. [2024-11-05 14:03:53,434 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 212 transitions. Word has length 173 [2024-11-05 14:03:53,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:03:53,434 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 212 transitions. [2024-11-05 14:03:53,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 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) [2024-11-05 14:03:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 212 transitions. [2024-11-05 14:03:53,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-05 14:03:53,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:03:53,438 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 14:03:53,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-05 14:03:53,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:03:53,638 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:03:53,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:03:53,639 INFO L85 PathProgramCache]: Analyzing trace with hash 46336072, now seen corresponding path program 1 times [2024-11-05 14:03:53,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:03:53,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122915768] [2024-11-05 14:03:53,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:03:53,640 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:03:53,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:03:53,641 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 14:03:53,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 14:03:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:03:58,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 2837 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 14:03:58,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:04:02,328 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 189 proven. 1 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-05 14:04:02,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:04:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-11-05 14:04:16,570 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:04:16,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122915768] [2024-11-05 14:04:16,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2122915768] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 14:04:16,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 14:04:16,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-05 14:04:16,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128381165] [2024-11-05 14:04:16,571 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 14:04:16,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-05 14:04:16,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:04:16,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-05 14:04:16,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-05 14:04:16,573 INFO L87 Difference]: Start difference. First operand 163 states and 212 transitions. Second operand has 13 states, 11 states have (on average 6.454545454545454) internal successors, (71), 13 states have internal predecessors, (71), 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) [2024-11-05 14:04:21,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:04:21,367 INFO L93 Difference]: Finished difference Result 280 states and 360 transitions. [2024-11-05 14:04:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-05 14:04:21,369 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.454545454545454) internal successors, (71), 13 states have internal predecessors, (71), 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) Word has length 175 [2024-11-05 14:04:21,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:04:21,371 INFO L225 Difference]: With dead ends: 280 [2024-11-05 14:04:21,371 INFO L226 Difference]: Without dead ends: 166 [2024-11-05 14:04:21,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-05 14:04:21,372 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 11 mSDsluCounter, 1216 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-05 14:04:21,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1421 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-05 14:04:21,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-05 14:04:21,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 165. [2024-11-05 14:04:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 103 states have (on average 1.1553398058252426) internal successors, (119), 104 states have internal predecessors, (119), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-05 14:04:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 214 transitions. [2024-11-05 14:04:21,386 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 214 transitions. Word has length 175 [2024-11-05 14:04:21,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:04:21,386 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 214 transitions. [2024-11-05 14:04:21,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.454545454545454) internal successors, (71), 13 states have internal predecessors, (71), 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) [2024-11-05 14:04:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 214 transitions. [2024-11-05 14:04:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-05 14:04:21,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:04:21,388 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 14:04:21,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-05 14:04:21,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:04:21,589 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 14:04:21,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:04:21,590 INFO L85 PathProgramCache]: Analyzing trace with hash -307421654, now seen corresponding path program 2 times [2024-11-05 14:04:21,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:04:21,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028010007] [2024-11-05 14:04:21,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:04:21,591 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:04:21,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:04:21,601 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 14:04:21,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 14:04:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:04:26,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 2848 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-05 14:04:26,639 INFO L278 TraceCheckSpWp]: Computing forward predicates...