/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_ignore_case_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 13:54:29,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 13:54:29,672 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 13:54:29,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 13:54:29,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 13:54:29,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 13:54:29,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 13:54:29,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 13:54:29,704 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 13:54:29,705 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 13:54:29,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 13:54:29,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 13:54:29,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 13:54:29,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 13:54:29,708 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 13:54:29,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 13:54:29,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 13:54:29,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 13:54:29,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 13:54:29,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 13:54:29,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 13:54:29,713 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 13:54:29,713 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 13:54:29,714 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 13:54:29,714 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 13:54:29,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 13:54:29,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 13:54:29,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 13:54:29,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 13:54:29,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 13:54:29,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 13:54:29,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 13:54:29,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 13:54:29,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 13:54:29,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 13:54:29,716 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 13:54:29,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 13:54:29,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 13:54:29,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 13:54:29,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 13:54:29,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 13:54:29,717 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 13:54:29,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 13:54:29,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 13:54:29,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 13:54:29,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 13:54:29,963 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 13:54:29,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_eq_ignore_case_harness.i [2024-11-06 13:54:31,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 13:54:31,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 13:54:31,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_eq_ignore_case_harness.i [2024-11-06 13:54:32,014 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72b14b5cf/08376636d96046b5b2b9a042190b3d8d/FLAGc00e46107 [2024-11-06 13:54:32,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72b14b5cf/08376636d96046b5b2b9a042190b3d8d [2024-11-06 13:54:32,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 13:54:32,037 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 13:54:32,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 13:54:32,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 13:54:32,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 13:54:32,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:54:32" (1/1) ... [2024-11-06 13:54:32,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129d0ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:32, skipping insertion in model container [2024-11-06 13:54:32,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:54:32" (1/1) ... [2024-11-06 13:54:32,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 13:54:32,442 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_ignore_case_harness.i[4498,4511] [2024-11-06 13:54:32,455 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_ignore_case_harness.i[4558,4571] [2024-11-06 13:54:33,093 WARN 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 13:54:33,184 WARN 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 13:54:33,185 WARN 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 13:54:33,185 WARN 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 13:54:33,192 WARN 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 13:54:33,194 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,194 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,196 WARN 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 13:54:33,196 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,197 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,199 WARN 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 13:54:33,200 WARN 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 13:54:33,202 WARN 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 13:54:33,202 WARN 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 13:54:33,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,210 WARN 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 13:54:33,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,211 WARN 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 13:54:33,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,213 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:54:33,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,213 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:54:33,555 WARN 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 13:54:33,555 WARN 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 13:54:33,556 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:54:33,556 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:54:33,687 WARN 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 13:54:33,702 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 13:54:33,706 WARN 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 13:54:33,711 WARN 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 13:54:33,768 WARN 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 13:54:33,769 WARN 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 13:54:33,771 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 13:54:33,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,842 WARN 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 13:54:33,843 WARN 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 13:54:33,843 WARN 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 13:54:33,844 WARN 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 13:54:33,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 13:54:33,905 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 13:54:33,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 13:54:33,947 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_ignore_case_harness.i[4498,4511] [2024-11-06 13:54:33,948 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_ignore_case_harness.i[4558,4571] [2024-11-06 13:54:33,972 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 13:54:33,987 WARN 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 13:54:33,988 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 13:54:33,988 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 13:54:33,993 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 13:54:33,994 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:33,996 WARN 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 13:54:33,996 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,000 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,001 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 13:54:34,002 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 13:54:34,002 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 13:54:34,003 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 13:54:34,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,010 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 13:54:34,011 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,011 WARN 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 13:54:34,012 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,012 WARN 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 13:54:34,012 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,013 WARN 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 13:54:34,063 WARN 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 13:54:34,064 WARN 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 13:54:34,065 WARN 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 13:54:34,065 WARN 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 13:54:34,102 WARN 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 13:54:34,111 WARN 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 13:54:34,119 WARN 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 13:54:34,122 WARN 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 13:54:34,159 WARN 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 13:54:34,160 WARN 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 13:54:34,162 WARN 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 13:54:34,162 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,162 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,208 WARN 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 13:54:34,209 WARN 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 13:54:34,210 WARN 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 13:54:34,210 WARN 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 13:54:34,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 13:54:34,242 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 13:54:34,260 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_ignore_case_harness.i[4498,4511] [2024-11-06 13:54:34,260 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_ignore_case_harness.i[4558,4571] [2024-11-06 13:54:34,299 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,300 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,300 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,300 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,301 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,305 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,305 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,305 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-06 13:54:34,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 13:54:34,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-06 13:54:34,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 13:54:34,583 INFO L204 MainTranslator]: Completed translation [2024-11-06 13:54:34,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34 WrapperNode [2024-11-06 13:54:34,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 13:54:34,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 13:54:34,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 13:54:34,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 13:54:34,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (1/1) ... [2024-11-06 13:54:34,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (1/1) ... [2024-11-06 13:54:34,735 INFO L138 Inliner]: procedures = 700, calls = 2609, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 775 [2024-11-06 13:54:34,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 13:54:34,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 13:54:34,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 13:54:34,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 13:54:34,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (1/1) ... [2024-11-06 13:54:34,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (1/1) ... [2024-11-06 13:54:34,761 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (1/1) ... [2024-11-06 13:54:34,848 INFO L175 MemorySlicer]: Split 514 memory accesses to 6 slices as follows [2, 259, 238, 6, 4, 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, 2, 0, 0]. [2024-11-06 13:54:34,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (1/1) ... [2024-11-06 13:54:34,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (1/1) ... [2024-11-06 13:54:34,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (1/1) ... [2024-11-06 13:54:34,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (1/1) ... [2024-11-06 13:54:34,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (1/1) ... [2024-11-06 13:54:34,931 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (1/1) ... [2024-11-06 13:54:34,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 13:54:34,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 13:54:34,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 13:54:34,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 13:54:34,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (1/1) ... [2024-11-06 13:54:34,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 13:54:34,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 13:54:34,983 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 13:54:34,989 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 13:54:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_ignore_case [2024-11-06 13:54:35,014 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_ignore_case [2024-11-06 13:54:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 13:54:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 13:54:35,014 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 13:54:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 13:54:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 13:54:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 13:54:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 13:54:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 13:54:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 13:54:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 13:54:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 13:54:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 13:54:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 13:54:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 13:54:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-06 13:54:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 13:54:35,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 13:54:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 13:54:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 13:54:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-06 13:54:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-06 13:54:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 13:54:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 13:54:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 13:54:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 13:54:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 13:54:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 13:54:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 13:54:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 13:54:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 13:54:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 13:54:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-06 13:54:35,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-06 13:54:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 13:54:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 13:54:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 13:54:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 13:54:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 13:54:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 13:54:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 13:54:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 13:54:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 13:54:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 13:54:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 13:54:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 13:54:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-06 13:54:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-06 13:54:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 13:54:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 13:54:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 13:54:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 13:54:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 13:54:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 13:54:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 13:54:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 13:54:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 13:54:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 13:54:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 13:54:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 13:54:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 13:54:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 13:54:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 13:54:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 13:54:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 13:54:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 13:54:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 13:54:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 13:54:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-06 13:54:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 13:54:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 13:54:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 13:54:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 13:54:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 13:54:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 13:54:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 13:54:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 13:54:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 13:54:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 13:54:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 13:54:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 13:54:35,436 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 13:54:35,438 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 13:54:44,089 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-06 13:54:44,090 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 13:54:44,104 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 13:54:44,105 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 13:54:44,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:54:44 BoogieIcfgContainer [2024-11-06 13:54:44,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 13:54:44,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 13:54:44,108 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 13:54:44,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 13:54:44,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 01:54:32" (1/3) ... [2024-11-06 13:54:44,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1646d7ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:54:44, skipping insertion in model container [2024-11-06 13:54:44,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:54:34" (2/3) ... [2024-11-06 13:54:44,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1646d7ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:54:44, skipping insertion in model container [2024-11-06 13:54:44,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:54:44" (3/3) ... [2024-11-06 13:54:44,113 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_eq_ignore_case_harness.i [2024-11-06 13:54:44,128 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 13:54:44,129 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 13:54:44,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 13:54:44,190 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;@59d89502, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 13:54:44,190 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 13:54:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 47 states have (on average 1.297872340425532) internal successors, (61), 51 states have internal predecessors, (61), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-06 13:54:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-06 13:54:44,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 13:54:44,208 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] [2024-11-06 13:54:44,209 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 13:54:44,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 13:54:44,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1693087987, now seen corresponding path program 1 times [2024-11-06 13:54:44,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 13:54:44,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1323324173] [2024-11-06 13:54:44,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 13:54:44,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 13:54:44,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 13:54:44,241 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 13:54:44,243 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 13:55:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 13:55:52,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 4042 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 13:55:52,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 13:55:52,772 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-06 13:55:52,772 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 13:55:52,773 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 13:55:52,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323324173] [2024-11-06 13:55:52,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323324173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 13:55:52,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 13:55:52,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 13:55:52,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728913573] [2024-11-06 13:55:52,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 13:55:52,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 13:55:52,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 13:55:52,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 13:55:52,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 13:55:52,800 INFO L87 Difference]: Start difference. First operand has 77 states, 47 states have (on average 1.297872340425532) internal successors, (61), 51 states have internal predecessors, (61), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-06 13:55:53,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 13:55:53,072 INFO L93 Difference]: Finished difference Result 154 states and 220 transitions. [2024-11-06 13:55:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 13:55:53,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 65 [2024-11-06 13:55:53,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 13:55:53,085 INFO L225 Difference]: With dead ends: 154 [2024-11-06 13:55:53,085 INFO L226 Difference]: Without dead ends: 75 [2024-11-06 13:55:53,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 13:55:53,095 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 13:55:53,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 285 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 13:55:53,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-06 13:55:53,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-06 13:55:53,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 48 states have internal predecessors, (55), 20 states have call successors, (20), 8 states have call predecessors, (20), 9 states have return successors, (20), 20 states have call predecessors, (20), 19 states have call successors, (20) [2024-11-06 13:55:53,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2024-11-06 13:55:53,147 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 65 [2024-11-06 13:55:53,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 13:55:53,149 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2024-11-06 13:55:53,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-06 13:55:53,149 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2024-11-06 13:55:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-06 13:55:53,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 13:55:53,152 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 13:55:53,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-06 13:55:53,353 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 13:55:53,353 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 13:55:53,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 13:55:53,354 INFO L85 PathProgramCache]: Analyzing trace with hash -676595808, now seen corresponding path program 1 times [2024-11-06 13:55:53,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 13:55:53,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [557762966] [2024-11-06 13:55:53,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 13:55:53,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 13:55:53,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 13:55:53,362 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 13:55:53,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process