/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 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 02:36:20,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 02:36:20,195 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 02:36:20,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 02:36:20,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 02:36:20,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 02:36:20,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 02:36:20,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 02:36:20,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 02:36:20,235 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 02:36:20,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 02:36:20,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 02:36:20,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 02:36:20,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 02:36:20,237 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 02:36:20,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 02:36:20,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 02:36:20,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 02:36:20,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 02:36:20,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 02:36:20,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 02:36:20,244 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 02:36:20,244 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 02:36:20,244 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 02:36:20,245 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 02:36:20,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 02:36:20,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 02:36:20,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 02:36:20,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 02:36:20,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 02:36:20,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 02:36:20,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 02:36:20,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 02:36:20,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 02:36:20,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 02:36:20,247 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 02:36:20,248 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 02:36:20,248 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 02:36:20,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 02:36:20,249 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 02:36:20,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 02:36:20,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-05 02:36:20,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 02:36:20,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 02:36:20,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 02:36:20,493 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 02:36:20,494 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 02:36:20,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness.i [2024-11-05 02:36:21,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 02:36:22,373 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 02:36:22,374 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness.i [2024-11-05 02:36:22,414 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/505b2bee1/544893fa84a64156a9449f663195d44c/FLAGb704628bd [2024-11-05 02:36:22,432 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/505b2bee1/544893fa84a64156a9449f663195d44c [2024-11-05 02:36:22,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 02:36:22,435 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 02:36:22,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 02:36:22,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 02:36:22,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 02:36:22,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:36:22" (1/1) ... [2024-11-05 02:36:22,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68aff241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:22, skipping insertion in model container [2024-11-05 02:36:22,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:36:22" (1/1) ... [2024-11-05 02:36:22,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 02:36:22,827 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_string_bytes_harness.i[4490,4503] [2024-11-05 02:36:22,838 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_string_bytes_harness.i[4550,4563] [2024-11-05 02:36:23,438 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 02:36:23,540 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 02:36:23,541 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 02:36:23,542 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 02:36:23,550 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 02:36:23,551 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:23,552 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:23,552 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:23,553 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 02:36:23,553 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:23,554 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:23,556 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 02:36:23,557 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 02:36:23,559 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 02:36:23,559 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 02:36:23,567 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:23,568 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 02:36:23,568 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:23,568 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 02:36:23,570 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:23,570 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 02:36:23,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:23,571 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:36:23,573 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:23,574 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 02:36:23,574 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:23,574 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 02:36:23,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:23,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,089 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 02:36:24,090 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 02:36:24,091 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 02:36:24,091 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 02:36:24,232 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 02:36:24,237 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 02:36:24,238 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 02:36:24,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:36:24,272 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 02:36:24,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 02:36:24,339 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_string_bytes_harness.i[4490,4503] [2024-11-05 02:36:24,340 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_string_bytes_harness.i[4550,4563] [2024-11-05 02:36:24,378 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 02:36:24,406 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 02:36:24,411 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 02:36:24,411 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 02:36:24,419 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 02:36:24,425 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,426 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,426 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,426 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 02:36:24,427 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,427 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,431 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 02:36:24,432 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 02:36:24,433 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 02:36:24,433 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 02:36:24,443 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,447 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:36:24,447 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,448 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 02:36:24,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,449 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 02:36:24,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,449 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 02:36:24,455 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,456 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:36:24,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,456 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:36:24,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,457 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,528 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 02:36:24,529 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 02:36:24,530 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 02:36:24,530 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 02:36:24,566 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 02:36:24,570 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 02:36:24,570 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 02:36:24,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:36:24,577 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 02:36:24,594 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_string_bytes_harness.i[4490,4503] [2024-11-05 02:36:24,594 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_string_bytes_harness.i[4550,4563] [2024-11-05 02:36:24,665 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,667 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,680 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,684 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,689 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,689 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,689 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:24,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:36:24,947 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_last_error, aws_array_list_ensure_capacity [2024-11-05 02:36:24,957 INFO L204 MainTranslator]: Completed translation [2024-11-05 02:36:24,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24 WrapperNode [2024-11-05 02:36:24,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 02:36:24,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 02:36:24,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 02:36:24,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 02:36:24,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (1/1) ... [2024-11-05 02:36:25,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (1/1) ... [2024-11-05 02:36:25,118 INFO L138 Inliner]: procedures = 687, calls = 972, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 61 [2024-11-05 02:36:25,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 02:36:25,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 02:36:25,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 02:36:25,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 02:36:25,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (1/1) ... [2024-11-05 02:36:25,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (1/1) ... [2024-11-05 02:36:25,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (1/1) ... [2024-11-05 02:36:25,153 INFO L175 MemorySlicer]: Split 13 memory accesses to 3 slices as follows [2, 6, 5]. 46 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 5]. The 3 writes are split as follows [0, 3, 0]. [2024-11-05 02:36:25,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (1/1) ... [2024-11-05 02:36:25,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (1/1) ... [2024-11-05 02:36:25,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (1/1) ... [2024-11-05 02:36:25,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (1/1) ... [2024-11-05 02:36:25,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (1/1) ... [2024-11-05 02:36:25,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (1/1) ... [2024-11-05 02:36:25,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 02:36:25,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 02:36:25,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 02:36:25,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 02:36:25,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (1/1) ... [2024-11-05 02:36:25,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 02:36:25,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 02:36:25,232 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 02:36:25,241 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 02:36:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-05 02:36:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-05 02:36:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 02:36:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 02:36:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 02:36:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 02:36:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 02:36:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 02:36:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 02:36:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 02:36:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 02:36:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 02:36:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 02:36:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 02:36:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 02:36:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 02:36:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 02:36:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 02:36:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 02:36:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 02:36:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 02:36:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 02:36:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 02:36:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 02:36:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-05 02:36:25,268 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-05 02:36:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 02:36:25,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 02:36:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 02:36:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 02:36:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 02:36:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 02:36:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 02:36:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 02:36:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 02:36:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 02:36:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 02:36:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 02:36:25,269 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 02:36:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-05 02:36:25,269 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-05 02:36:25,545 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 02:36:25,547 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 02:36:25,908 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-05 02:36:25,908 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 02:36:25,927 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 02:36:25,928 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 02:36:25,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:36:25 BoogieIcfgContainer [2024-11-05 02:36:25,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 02:36:25,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 02:36:25,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 02:36:25,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 02:36:25,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 02:36:22" (1/3) ... [2024-11-05 02:36:25,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19158de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:36:25, skipping insertion in model container [2024-11-05 02:36:25,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:24" (2/3) ... [2024-11-05 02:36:25,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19158de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:36:25, skipping insertion in model container [2024-11-05 02:36:25,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:36:25" (3/3) ... [2024-11-05 02:36:25,937 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2024-11-05 02:36:25,953 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 02:36:25,954 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 02:36:26,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 02:36:26,018 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;@798e4a06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 02:36:26,018 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 02:36:26,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-05 02:36:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-05 02:36:26,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:36:26,037 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:36:26,038 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 02:36:26,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:36:26,046 INFO L85 PathProgramCache]: Analyzing trace with hash -868059006, now seen corresponding path program 1 times [2024-11-05 02:36:26,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:36:26,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532731291] [2024-11-05 02:36:26,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:36:26,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:36:26,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:36:26,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 02:36:26,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-05 02:36:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 02:36:26,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 02:36:26,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 02:36:26,369 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-05 02:36:26,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 02:36:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-05 02:36:26,456 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 02:36:26,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [532731291] [2024-11-05 02:36:26,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [532731291] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 02:36:26,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 02:36:26,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 02:36:26,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951165588] [2024-11-05 02:36:26,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 02:36:26,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 02:36:26,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 02:36:26,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 02:36:26,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 02:36:26,484 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-05 02:36:26,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 02:36:26,505 INFO L93 Difference]: Finished difference Result 118 states and 140 transitions. [2024-11-05 02:36:26,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 02:36:26,507 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2024-11-05 02:36:26,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 02:36:26,515 INFO L225 Difference]: With dead ends: 118 [2024-11-05 02:36:26,516 INFO L226 Difference]: Without dead ends: 58 [2024-11-05 02:36:26,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 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 02:36:26,522 INFO L432 NwaCegarLoop]: 69 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, 69 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 02:36:26,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 02:36:26,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-05 02:36:26,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-05 02:36:26,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-05 02:36:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2024-11-05 02:36:26,563 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 55 [2024-11-05 02:36:26,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 02:36:26,564 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2024-11-05 02:36:26,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-05 02:36:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2024-11-05 02:36:26,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-05 02:36:26,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:36:26,567 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:36:26,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-05 02:36:26,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 02:36:26,768 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 02:36:26,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:36:26,770 INFO L85 PathProgramCache]: Analyzing trace with hash -362172612, now seen corresponding path program 1 times [2024-11-05 02:36:26,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:36:26,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164191839] [2024-11-05 02:36:26,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:36:26,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:36:26,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:36:26,776 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 02:36:26,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-05 02:36:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 02:36:26,992 WARN L253 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-11-05 02:36:27,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 02:36:27,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-05 02:36:27,734 INFO L349 Elim1Store]: treesize reduction 112, result has 50.2 percent of original size [2024-11-05 02:36:27,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 45 treesize of output 122 [2024-11-05 02:37:23,052 WARN L286 SmtUtils]: Spent 38.35s on a formula simplification. DAG size of input: 1286 DAG size of output: 998 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-05 02:37:23,054 INFO L349 Elim1Store]: treesize reduction 2016, result has 60.2 percent of original size [2024-11-05 02:37:23,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 82 select indices, 82 select index equivalence classes, 28 disjoint index pairs (out of 3321 index pairs), introduced 82 new quantified variables, introduced 3293 case distinctions, treesize of input 1287 treesize of output 3751