/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_array_eq_c_str_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 13:53:54,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 13:53:54,147 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 13:53:54,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 13:53:54,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 13:53:54,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 13:53:54,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 13:53:54,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 13:53:54,174 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 13:53:54,175 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 13:53:54,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 13:53:54,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 13:53:54,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 13:53:54,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 13:53:54,176 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 13:53:54,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 13:53:54,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 13:53:54,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 13:53:54,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 13:53:54,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 13:53:54,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 13:53:54,179 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 13:53:54,179 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 13:53:54,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 13:53:54,180 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 13:53:54,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 13:53:54,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 13:53:54,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 13:53:54,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 13:53:54,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 13:53:54,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 13:53:54,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 13:53:54,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 13:53:54,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 13:53:54,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 13:53:54,182 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 13:53:54,182 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 13:53:54,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 13:53:54,183 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 13:53:54,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 13:53:54,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 13:53:54,183 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 13:53:54,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 13:53:54,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 13:53:54,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 13:53:54,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 13:53:54,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 13:53:54,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_eq_c_str_harness.i [2024-11-06 13:53:55,639 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 13:53:55,993 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 13:53:55,994 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_eq_c_str_harness.i [2024-11-06 13:53:56,023 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65454e75a/49690b4924894820845b4fe24050ed24/FLAGd55d3637a [2024-11-06 13:53:56,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65454e75a/49690b4924894820845b4fe24050ed24 [2024-11-06 13:53:56,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 13:53:56,039 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 13:53:56,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 13:53:56,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 13:53:56,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 13:53:56,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:53:56" (1/1) ... [2024-11-06 13:53:56,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56708021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:56, skipping insertion in model container [2024-11-06 13:53:56,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:53:56" (1/1) ... [2024-11-06 13:53:56,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 13:53:56,357 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_array_eq_c_str_harness.i[4492,4505] [2024-11-06 13:53:56,369 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_array_eq_c_str_harness.i[4552,4565] [2024-11-06 13:53:56,892 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:56,972 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:56,972 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:56,973 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:56,984 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:56,987 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:56,987 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:56,988 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:56,988 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:56,989 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:56,989 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:56,991 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:56,992 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:56,993 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:56,993 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,000 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,000 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,001 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,002 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,003 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,003 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,250 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,252 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,252 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,253 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,360 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,374 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,377 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,384 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,448 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,450 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,454 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,459 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,459 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,513 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,514 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,514 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 13:53:57,579 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 13:53:57,605 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 13:53:57,610 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_array_eq_c_str_harness.i[4492,4505] [2024-11-06 13:53:57,611 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_array_eq_c_str_harness.i[4552,4565] [2024-11-06 13:53:57,629 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,638 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,639 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,639 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,642 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,643 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,644 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,645 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,645 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,648 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,649 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,652 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,653 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,653 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,654 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,656 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,701 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,701 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,702 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,702 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,729 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,736 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,739 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,742 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,770 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,771 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,772 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,793 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,797 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,797 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:53:57,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 13:53:57,827 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 13:53:57,842 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_array_eq_c_str_harness.i[4492,4505] [2024-11-06 13:53:57,842 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_array_eq_c_str_harness.i[4552,4565] [2024-11-06 13:53:57,879 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,884 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,885 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,887 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:57,887 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:58,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-06 13:53:58,005 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:58,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:53:58,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-06 13:53:58,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 13:53:58,178 INFO L204 MainTranslator]: Completed translation [2024-11-06 13:53:58,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58 WrapperNode [2024-11-06 13:53:58,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 13:53:58,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 13:53:58,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 13:53:58,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 13:53:58,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (1/1) ... [2024-11-06 13:53:58,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (1/1) ... [2024-11-06 13:53:58,333 INFO L138 Inliner]: procedures = 700, calls = 2609, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 803 [2024-11-06 13:53:58,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 13:53:58,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 13:53:58,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 13:53:58,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 13:53:58,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (1/1) ... [2024-11-06 13:53:58,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (1/1) ... [2024-11-06 13:53:58,356 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (1/1) ... [2024-11-06 13:53:58,407 INFO L175 MemorySlicer]: Split 516 memory accesses to 6 slices as follows [2, 257, 238, 8, 6, 5]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 0, 5]. The 491 writes are split as follows [0, 257, 232, 0, 2, 0]. [2024-11-06 13:53:58,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (1/1) ... [2024-11-06 13:53:58,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (1/1) ... [2024-11-06 13:53:58,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (1/1) ... [2024-11-06 13:53:58,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (1/1) ... [2024-11-06 13:53:58,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (1/1) ... [2024-11-06 13:53:58,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (1/1) ... [2024-11-06 13:53:58,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 13:53:58,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 13:53:58,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 13:53:58,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 13:53:58,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (1/1) ... [2024-11-06 13:53:58,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 13:53:58,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 13:53:58,511 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) [2024-11-06 13:53:58,517 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 [2024-11-06 13:53:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2024-11-06 13:53:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2024-11-06 13:53:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 13:53:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 13:53:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 13:53:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 13:53:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 13:53:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 13:53:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 13:53:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 13:53:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 13:53:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 13:53:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 13:53:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-06 13:53:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 13:53:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 13:53:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 13:53:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-06 13:53:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 13:53:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 13:53:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-06 13:53:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-06 13:53:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 13:53:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 13:53:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 13:53:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 13:53:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 13:53:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 13:53:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 13:53:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 13:53:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 13:53:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 13:53:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 13:53:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 13:53:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 13:53:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 13:53:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 13:53:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 13:53:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 13:53:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 13:53:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 13:53:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 13:53:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-06 13:53:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-06 13:53:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-06 13:53:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 13:53:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 13:53:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 13:53:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 13:53:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 13:53:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 13:53:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 13:53:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 13:53:58,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 13:53:58,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 13:53:58,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 13:53:58,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 13:53:58,805 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 13:53:58,807 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 13:54:06,853 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-06 13:54:06,853 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 13:54:06,865 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 13:54:06,866 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 13:54:06,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:54:06 BoogieIcfgContainer [2024-11-06 13:54:06,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 13:54:06,868 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 13:54:06,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 13:54:06,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 13:54:06,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 01:53:56" (1/3) ... [2024-11-06 13:54:06,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb64a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:54:06, skipping insertion in model container [2024-11-06 13:54:06,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:53:58" (2/3) ... [2024-11-06 13:54:06,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb64a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:54:06, skipping insertion in model container [2024-11-06 13:54:06,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:54:06" (3/3) ... [2024-11-06 13:54:06,873 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_eq_c_str_harness.i [2024-11-06 13:54:06,886 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 13:54:06,886 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 13:54:06,936 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 13:54:06,943 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;@4014c870, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 13:54:06,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 13:54:06,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 59 states have (on average 1.271186440677966) internal successors, (75), 62 states have internal predecessors, (75), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-06 13:54:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-06 13:54:06,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 13:54:06,960 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 13:54:06,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 13:54:06,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 13:54:06,965 INFO L85 PathProgramCache]: Analyzing trace with hash 511260694, now seen corresponding path program 1 times [2024-11-06 13:54:06,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 13:54:06,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1439067844] [2024-11-06 13:54:06,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 13:54:06,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 13:54:06,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 13:54:06,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 13:54:06,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 13:55:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 13:55:19,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 4047 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 13:55:19,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 13:55:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-06 13:55:19,404 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 13:55:19,405 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 13:55:19,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439067844] [2024-11-06 13:55:19,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439067844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 13:55:19,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 13:55:19,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 13:55:19,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90556947] [2024-11-06 13:55:19,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 13:55:19,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 13:55:19,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 13:55:19,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 13:55:19,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 13:55:19,429 INFO L87 Difference]: Start difference. First operand has 96 states, 59 states have (on average 1.271186440677966) internal successors, (75), 62 states have internal predecessors, (75), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-06 13:55:19,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 13:55:19,456 INFO L93 Difference]: Finished difference Result 189 states and 272 transitions. [2024-11-06 13:55:19,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 13:55:19,458 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2024-11-06 13:55:19,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 13:55:19,465 INFO L225 Difference]: With dead ends: 189 [2024-11-06 13:55:19,466 INFO L226 Difference]: Without dead ends: 91 [2024-11-06 13:55:19,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 13:55:19,470 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 [2024-11-06 13:55:19,471 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] [2024-11-06 13:55:19,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-06 13:55:19,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-06 13:55:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 57 states have internal predecessors, (67), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-06 13:55:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2024-11-06 13:55:19,514 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 67 [2024-11-06 13:55:19,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 13:55:19,514 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2024-11-06 13:55:19,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-06 13:55:19,514 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2024-11-06 13:55:19,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-06 13:55:19,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 13:55:19,517 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 13:55:19,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 13:55:19,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 13:55:19,722 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 13:55:19,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 13:55:19,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1505620234, now seen corresponding path program 1 times [2024-11-06 13:55:19,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 13:55:19,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2084925016] [2024-11-06 13:55:19,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 13:55:19,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 13:55:19,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 13:55:19,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 13:55:19,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process