/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_eq_ignore_case_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 02:39:17,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 02:39:17,581 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 02:39:17,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 02:39:17,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 02:39:17,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 02:39:17,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 02:39:17,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 02:39:17,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 02:39:17,613 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 02:39:17,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 02:39:17,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 02:39:17,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 02:39:17,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 02:39:17,615 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 02:39:17,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 02:39:17,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 02:39:17,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 02:39:17,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 02:39:17,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 02:39:17,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 02:39:17,618 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 02:39:17,618 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 02:39:17,618 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 02:39:17,619 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 02:39:17,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 02:39:17,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 02:39:17,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 02:39:17,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 02:39:17,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 02:39:17,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 02:39:17,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 02:39:17,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 02:39:17,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 02:39:17,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 02:39:17,622 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 02:39:17,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 02:39:17,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 02:39:17,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 02:39:17,623 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 02:39:17,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 02:39:17,623 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-05 02:39:17,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 02:39:17,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 02:39:17,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 02:39:17,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 02:39:17,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 02:39:17,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_string_eq_ignore_case_harness_negated.i [2024-11-05 02:39:19,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 02:39:19,756 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 02:39:19,757 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_eq_ignore_case_harness_negated.i [2024-11-05 02:39:19,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec9c4545/6014660038ad4de8bba589ffd5aeea33/FLAG8f5502847 [2024-11-05 02:39:19,885 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec9c4545/6014660038ad4de8bba589ffd5aeea33 [2024-11-05 02:39:19,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 02:39:19,890 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 02:39:19,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 02:39:19,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 02:39:19,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 02:39:19,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:39:19" (1/1) ... [2024-11-05 02:39:19,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72596421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:19, skipping insertion in model container [2024-11-05 02:39:19,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:39:19" (1/1) ... [2024-11-05 02:39:20,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 02:39:20,346 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_eq_ignore_case_harness_negated.i[4499,4512] [2024-11-05 02:39:20,357 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_eq_ignore_case_harness_negated.i[4559,4572] [2024-11-05 02:39:21,281 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 02:39:21,378 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 02:39:21,379 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 02:39:21,381 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 02:39:21,395 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:39:21,399 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:21,399 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:21,400 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:21,401 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:39:21,401 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:21,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:21,404 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 02:39:21,405 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 02:39:21,407 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 02:39:21,407 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 02:39:21,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:21,417 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 02:39:21,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:21,418 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 02:39:21,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:21,420 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 02:39:21,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:21,420 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 02:39:21,741 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 02:39:21,742 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 02:39:21,742 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 02:39:21,743 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 02:39:21,917 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 02:39:21,934 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 02:39:21,943 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 02:39:21,947 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 02:39:21,970 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 02:39:21,978 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 02:39:21,986 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 02:39:22,032 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 02:39:22,034 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 02:39:22,037 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 02:39:22,037 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,038 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:39:22,138 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 02:39:22,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 02:39:22,188 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_eq_ignore_case_harness_negated.i[4499,4512] [2024-11-05 02:39:22,188 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_eq_ignore_case_harness_negated.i[4559,4572] [2024-11-05 02:39:22,213 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 02:39:22,234 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 02:39:22,235 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:39:22,235 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:39:22,240 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 02:39:22,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,242 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:39:22,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,243 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,244 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:39:22,244 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:39:22,246 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 02:39:22,247 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 02:39:22,254 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,255 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 02:39:22,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,255 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 02:39:22,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,259 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 02:39:22,260 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,260 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 02:39:22,313 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 02:39:22,313 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 02:39:22,314 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 02:39:22,314 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 02:39:22,346 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 02:39:22,352 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 02:39:22,359 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:39:22,360 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:39:22,374 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 02:39:22,376 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 02:39:22,379 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 02:39:22,410 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 02:39:22,411 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 02:39:22,412 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:39:22,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:39:22,461 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 02:39:22,481 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_eq_ignore_case_harness_negated.i[4499,4512] [2024-11-05 02:39:22,482 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_eq_ignore_case_harness_negated.i[4559,4572] [2024-11-05 02:39:22,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8556] [2024-11-05 02:39:22,658 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,658 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:39:22,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:39:22,897 INFO L204 MainTranslator]: Completed translation [2024-11-05 02:39:22,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22 WrapperNode [2024-11-05 02:39:22,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 02:39:22,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 02:39:22,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 02:39:22,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 02:39:22,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (1/1) ... [2024-11-05 02:39:23,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (1/1) ... [2024-11-05 02:39:23,071 INFO L138 Inliner]: procedures = 689, calls = 2270, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 374 [2024-11-05 02:39:23,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 02:39:23,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 02:39:23,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 02:39:23,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 02:39:23,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (1/1) ... [2024-11-05 02:39:23,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (1/1) ... [2024-11-05 02:39:23,092 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (1/1) ... [2024-11-05 02:39:23,129 INFO L175 MemorySlicer]: Split 278 memory accesses to 4 slices as follows [2, 259, 12, 5]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 5]. The 260 writes are split as follows [0, 257, 3, 0]. [2024-11-05 02:39:23,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (1/1) ... [2024-11-05 02:39:23,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (1/1) ... [2024-11-05 02:39:23,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (1/1) ... [2024-11-05 02:39:23,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (1/1) ... [2024-11-05 02:39:23,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (1/1) ... [2024-11-05 02:39:23,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (1/1) ... [2024-11-05 02:39:23,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 02:39:23,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 02:39:23,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 02:39:23,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 02:39:23,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (1/1) ... [2024-11-05 02:39:23,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 02:39:23,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 02:39:23,229 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 02:39:23,231 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 02:39:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-05 02:39:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-05 02:39:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_ignore_case [2024-11-05 02:39:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_ignore_case [2024-11-05 02:39:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-05 02:39:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-05 02:39:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 02:39:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 02:39:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 02:39:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 02:39:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 02:39:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 02:39:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 02:39:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 02:39:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 02:39:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 02:39:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 02:39:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 02:39:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 02:39:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 02:39:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 02:39:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 02:39:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 02:39:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 02:39:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 02:39:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 02:39:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 02:39:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 02:39:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 02:39:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 02:39:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 02:39:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 02:39:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 02:39:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 02:39:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 02:39:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 02:39:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 02:39:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 02:39:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 02:39:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 02:39:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 02:39:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 02:39:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 02:39:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 02:39:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 02:39:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 02:39:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 02:39:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 02:39:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-05 02:39:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-05 02:39:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 02:39:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 02:39:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 02:39:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 02:39:23,589 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 02:39:23,592 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 02:39:33,205 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-05 02:39:33,205 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 02:39:33,226 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 02:39:33,227 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 02:39:33,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:39:33 BoogieIcfgContainer [2024-11-05 02:39:33,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 02:39:33,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 02:39:33,234 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 02:39:33,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 02:39:33,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 02:39:19" (1/3) ... [2024-11-05 02:39:33,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6291348d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:39:33, skipping insertion in model container [2024-11-05 02:39:33,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:39:22" (2/3) ... [2024-11-05 02:39:33,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6291348d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:39:33, skipping insertion in model container [2024-11-05 02:39:33,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:39:33" (3/3) ... [2024-11-05 02:39:33,239 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_ignore_case_harness_negated.i [2024-11-05 02:39:33,256 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 02:39:33,256 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 02:39:33,321 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 02:39:33,325 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;@6af93213, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 02:39:33,326 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 02:39:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 64 states have (on average 1.265625) internal successors, (81), 65 states have internal predecessors, (81), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-05 02:39:33,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-05 02:39:33,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:39:33,345 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-05 02:39:33,346 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 02:39:33,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:39:33,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1426397344, now seen corresponding path program 1 times [2024-11-05 02:39:33,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:39:33,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427356892] [2024-11-05 02:39:33,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:39:33,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:39:33,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:39:33,369 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 02:39:33,370 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 02:40:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 02:40:17,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 1915 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 02:40:17,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 02:40:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-05 02:40:17,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 02:40:18,284 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-05 02:40:18,285 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 02:40:18,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427356892] [2024-11-05 02:40:18,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [427356892] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 02:40:18,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 02:40:18,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 02:40:18,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250616891] [2024-11-05 02:40:18,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 02:40:18,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 02:40:18,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 02:40:18,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 02:40:18,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 02:40:18,314 INFO L87 Difference]: Start difference. First operand has 98 states, 64 states have (on average 1.265625) internal successors, (81), 65 states have internal predecessors, (81), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 02:40:18,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 02:40:18,346 INFO L93 Difference]: Finished difference Result 191 states and 259 transitions. [2024-11-05 02:40:18,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 02:40:18,348 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-11-05 02:40:18,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 02:40:18,357 INFO L225 Difference]: With dead ends: 191 [2024-11-05 02:40:18,358 INFO L226 Difference]: Without dead ends: 93 [2024-11-05 02:40:18,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 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 02:40:18,367 INFO L432 NwaCegarLoop]: 124 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, 124 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 02:40:18,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 02:40:18,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-05 02:40:18,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-05 02:40:18,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 61 states have internal predecessors, (73), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-05 02:40:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 118 transitions. [2024-11-05 02:40:18,418 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 118 transitions. Word has length 48 [2024-11-05 02:40:18,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 02:40:18,423 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 118 transitions. [2024-11-05 02:40:18,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 02:40:18,423 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 118 transitions. [2024-11-05 02:40:18,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-05 02:40:18,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:40:18,426 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-05 02:40:18,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-05 02:40:18,627 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 02:40:18,627 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 02:40:18,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:40:18,628 INFO L85 PathProgramCache]: Analyzing trace with hash -200506784, now seen corresponding path program 1 times [2024-11-05 02:40:18,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:40:18,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403311357] [2024-11-05 02:40:18,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:40:18,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:40:18,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:40:18,630 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 02:40:18,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process