/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_compare_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 02:36:34,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 02:36:34,284 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 02:36:34,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 02:36:34,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 02:36:34,304 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 02:36:34,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 02:36:34,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 02:36:34,305 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 02:36:34,305 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 02:36:34,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 02:36:34,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 02:36:34,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 02:36:34,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 02:36:34,309 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 02:36:34,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 02:36:34,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 02:36:34,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 02:36:34,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 02:36:34,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 02:36:34,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 02:36:34,310 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 02:36:34,310 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 02:36:34,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 02:36:34,311 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 02:36:34,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 02:36:34,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 02:36:34,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 02:36:34,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 02:36:34,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 02:36:34,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 02:36:34,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 02:36:34,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 02:36:34,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 02:36:34,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 02:36:34,314 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 02:36:34,314 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 02:36:34,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 02:36:34,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 02:36:34,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 02:36:34,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 02:36:34,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-05 02:36:34,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 02:36:34,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 02:36:34,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 02:36:34,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 02:36:34,513 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 02:36:34,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_string_compare_harness.i [2024-11-05 02:36:35,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 02:36:36,206 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 02:36:36,206 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_compare_harness.i [2024-11-05 02:36:36,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69b3613a5/54a71082ab164fab879270b52295b6d1/FLAG5a586c8e6 [2024-11-05 02:36:36,378 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69b3613a5/54a71082ab164fab879270b52295b6d1 [2024-11-05 02:36:36,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 02:36:36,381 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 02:36:36,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 02:36:36,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 02:36:36,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 02:36:36,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:36:36" (1/1) ... [2024-11-05 02:36:36,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747e6b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:36, skipping insertion in model container [2024-11-05 02:36:36,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:36:36" (1/1) ... [2024-11-05 02:36:36,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 02:36:36,722 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_compare_harness.i[4492,4505] [2024-11-05 02:36:36,730 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_compare_harness.i[4552,4565] [2024-11-05 02:36:37,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:36:37,299 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 02:36:37,300 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 02:36:37,300 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 02:36:37,305 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 02:36:37,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,329 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 02:36:37,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,334 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 02:36:37,334 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 02:36:37,341 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 02:36:37,341 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 02:36:37,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,352 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 02:36:37,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,353 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 02:36:37,354 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,354 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 02:36:37,354 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,355 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 02:36:37,593 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 02:36:37,593 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 02:36:37,593 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 02:36:37,594 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 02:36:37,685 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 02:36:37,696 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 02:36:37,698 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 02:36:37,702 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 02:36:37,755 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 02:36:37,756 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 02:36:37,757 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 02:36:37,757 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,758 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,807 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 02:36:37,813 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 02:36:37,816 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 02:36:37,816 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 02:36:37,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:36:37,891 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 02:36:37,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 02:36:37,921 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_compare_harness.i[4492,4505] [2024-11-05 02:36:37,923 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_compare_harness.i[4552,4565] [2024-11-05 02:36:37,944 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 02:36:37,956 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 02:36:37,956 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 02:36:37,957 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 02:36:37,960 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 02:36:37,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,962 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 02:36:37,962 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,962 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,963 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 02:36:37,963 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 02:36:37,965 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 02:36:37,965 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 02:36:37,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,970 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 02:36:37,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,970 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 02:36:37,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,971 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 02:36:37,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:37,971 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 02:36:38,010 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 02:36:38,014 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:36:38,014 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:36:38,014 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:36:38,039 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:36:38,045 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 02:36:38,050 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 02:36:38,052 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 02:36:38,081 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 02:36:38,082 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 02:36:38,083 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 02:36:38,083 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,083 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,115 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 02:36:38,117 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 02:36:38,118 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 02:36:38,118 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 02:36:38,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:36:38,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 02:36:38,161 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_compare_harness.i[4492,4505] [2024-11-05 02:36:38,162 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_compare_harness.i[4552,4565] [2024-11-05 02:36:38,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,196 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-05 02:36:38,273 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,273 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:36:38,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-05 02:36:38,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:36:38,550 INFO L204 MainTranslator]: Completed translation [2024-11-05 02:36:38,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38 WrapperNode [2024-11-05 02:36:38,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 02:36:38,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 02:36:38,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 02:36:38,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 02:36:38,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (1/1) ... [2024-11-05 02:36:38,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (1/1) ... [2024-11-05 02:36:38,758 INFO L138 Inliner]: procedures = 702, calls = 2786, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 823 [2024-11-05 02:36:38,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 02:36:38,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 02:36:38,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 02:36:38,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 02:36:38,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (1/1) ... [2024-11-05 02:36:38,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (1/1) ... [2024-11-05 02:36:38,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (1/1) ... [2024-11-05 02:36:38,840 INFO L175 MemorySlicer]: Split 529 memory accesses to 6 slices as follows [2, 5, 257, 238, 16, 11]. 49 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 5, 0, 6, 16, 0]. The 492 writes are split as follows [0, 0, 257, 232, 0, 3]. [2024-11-05 02:36:38,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (1/1) ... [2024-11-05 02:36:38,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (1/1) ... [2024-11-05 02:36:38,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (1/1) ... [2024-11-05 02:36:38,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (1/1) ... [2024-11-05 02:36:38,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (1/1) ... [2024-11-05 02:36:38,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (1/1) ... [2024-11-05 02:36:38,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 02:36:38,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 02:36:38,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 02:36:38,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 02:36:38,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (1/1) ... [2024-11-05 02:36:38,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 02:36:38,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 02:36:38,931 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 02:36:38,939 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 02:36:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-05 02:36:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-05 02:36:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_compare [2024-11-05 02:36:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_compare [2024-11-05 02:36:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-05 02:36:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-05 02:36:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 02:36:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 02:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 02:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 02:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 02:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 02:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 02:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 02:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 02:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 02:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 02:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 02:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 02:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 02:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 02:36:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 02:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 02:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 02:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 02:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 02:36:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 02:36:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 02:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-05 02:36:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 02:36:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 02:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 02:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 02:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 02:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 02:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 02:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 02:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 02:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 02:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 02:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 02:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 02:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 02:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 02:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 02:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 02:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 02:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 02:36:38,964 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 02:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-05 02:36:38,964 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-05 02:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 02:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 02:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 02:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 02:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 02:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 02:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 02:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 02:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 02:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 02:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 02:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 02:36:39,256 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 02:36:39,257 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 02:36:46,581 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-05 02:36:46,582 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 02:36:46,597 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 02:36:46,597 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 02:36:46,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:36:46 BoogieIcfgContainer [2024-11-05 02:36:46,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 02:36:46,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 02:36:46,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 02:36:46,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 02:36:46,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 02:36:36" (1/3) ... [2024-11-05 02:36:46,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31255eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:36:46, skipping insertion in model container [2024-11-05 02:36:46,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:36:38" (2/3) ... [2024-11-05 02:36:46,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31255eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:36:46, skipping insertion in model container [2024-11-05 02:36:46,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:36:46" (3/3) ... [2024-11-05 02:36:46,606 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness.i [2024-11-05 02:36:46,619 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 02:36:46,619 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 02:36:46,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 02:36:46,678 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;@6e39b2bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 02:36:46,679 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 02:36:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 75 states have (on average 1.28) internal successors, (96), 76 states have internal predecessors, (96), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-05 02:36:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-05 02:36:46,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:36:46,691 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-05 02:36:46,692 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 02:36:46,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:36:46,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1257375995, now seen corresponding path program 1 times [2024-11-05 02:36:46,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:36:46,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435692551] [2024-11-05 02:36:46,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:36:46,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:36:46,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:36:46,711 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 02:36:46,712 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 02:37:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 02:37:58,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 02:37:58,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 02:37:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-05 02:37:58,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 02:37:58,808 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-05 02:37:58,809 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 02:37:58,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435692551] [2024-11-05 02:37:58,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1435692551] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 02:37:58,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 02:37:58,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 02:37:58,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134580370] [2024-11-05 02:37:58,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 02:37:58,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 02:37:58,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 02:37:58,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 02:37:58,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 02:37:58,833 INFO L87 Difference]: Start difference. First operand has 120 states, 75 states have (on average 1.28) internal successors, (96), 76 states have internal predecessors, (96), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 02:37:58,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 02:37:58,860 INFO L93 Difference]: Finished difference Result 235 states and 334 transitions. [2024-11-05 02:37:58,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 02:37:58,864 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 49 [2024-11-05 02:37:58,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 02:37:58,869 INFO L225 Difference]: With dead ends: 235 [2024-11-05 02:37:58,869 INFO L226 Difference]: Without dead ends: 115 [2024-11-05 02:37:58,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 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 02:37:58,876 INFO L432 NwaCegarLoop]: 160 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, 160 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 02:37:58,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 02:37:58,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-05 02:37:58,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-05 02:37:58,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 71 states have (on average 1.2535211267605635) internal successors, (89), 72 states have internal predecessors, (89), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-05 02:37:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 154 transitions. [2024-11-05 02:37:58,911 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 154 transitions. Word has length 49 [2024-11-05 02:37:58,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 02:37:58,912 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 154 transitions. [2024-11-05 02:37:58,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 02:37:58,912 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2024-11-05 02:37:58,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-05 02:37:58,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:37:58,914 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-05 02:37:58,918 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 02:37:59,115 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 02:37:59,116 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 02:37:59,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:37:59,116 INFO L85 PathProgramCache]: Analyzing trace with hash -147078469, now seen corresponding path program 1 times [2024-11-05 02:37:59,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:37:59,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665948972] [2024-11-05 02:37:59,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:37:59,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:37:59,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:37:59,118 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 02:37:59,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process