/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 WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 04:57:35,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 04:57:35,308 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 04:57:35,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 04:57:35,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 04:57:35,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 04:57:35,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 04:57:35,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 04:57:35,338 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 04:57:35,340 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 04:57:35,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 04:57:35,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 04:57:35,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 04:57:35,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 04:57:35,341 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 04:57:35,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 04:57:35,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 04:57:35,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 04:57:35,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 04:57:35,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 04:57:35,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 04:57:35,345 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 04:57:35,345 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 04:57:35,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 04:57:35,345 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 04:57:35,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 04:57:35,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 04:57:35,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 04:57:35,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 04:57:35,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 04:57:35,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 04:57:35,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 04:57:35,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 04:57:35,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 04:57:35,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 04:57:35,347 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 04:57:35,347 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 04:57:35,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 04:57:35,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 04:57:35,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 04:57:35,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 04:57:35,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 04:57:35,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 04:57:35,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 04:57:35,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 04:57:35,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 04:57:35,547 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 04:57:35,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i [2024-11-06 04:57:36,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 04:57:37,174 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 04:57:37,175 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i [2024-11-06 04:57:37,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd5b0b37b/9e9226b3264e4ffcb42492365bedda6a/FLAG2ac358cdc [2024-11-06 04:57:37,385 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd5b0b37b/9e9226b3264e4ffcb42492365bedda6a [2024-11-06 04:57:37,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 04:57:37,388 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 04:57:37,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 04:57:37,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 04:57:37,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 04:57:37,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 04:57:37" (1/1) ... [2024-11-06 04:57:37,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5fb175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:37, skipping insertion in model container [2024-11-06 04:57:37,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 04:57:37" (1/1) ... [2024-11-06 04:57:37,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 04:57:37,691 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_list_clear_harness.i[4494,4507] [2024-11-06 04:57:37,701 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_list_clear_harness.i[4554,4567] [2024-11-06 04:57:38,207 WARN 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 04:57:38,330 WARN 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 04:57:38,331 WARN 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 04:57:38,331 WARN 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 04:57:38,342 WARN 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 04:57:38,343 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,344 WARN 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 04:57:38,345 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,347 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,350 WARN 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 04:57:38,350 WARN 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 04:57:38,353 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,354 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,364 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,365 WARN 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 04:57:38,365 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,367 WARN 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 04:57:38,368 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,368 WARN 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 04:57:38,369 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,369 WARN 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 04:57:38,370 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,373 WARN 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 04:57:38,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,374 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 04:57:38,374 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,374 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,615 WARN 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 04:57:38,616 WARN 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 04:57:38,616 WARN 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 04:57:38,616 WARN 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 04:57:38,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,691 WARN 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 04:57:38,691 WARN 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 04:57:38,692 WARN 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 04:57:38,692 WARN 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 04:57:38,695 WARN 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 04:57:38,696 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,696 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,696 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,697 WARN 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 04:57:38,697 WARN 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 04:57:38,697 WARN 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 04:57:38,697 WARN 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 04:57:38,698 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,698 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 04:57:38,784 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 04:57:38,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 04:57:38,826 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_list_clear_harness.i[4494,4507] [2024-11-06 04:57:38,826 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_list_clear_harness.i[4554,4567] [2024-11-06 04:57:38,844 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 04:57:38,868 WARN 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 04:57:38,869 WARN 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 04:57:38,869 WARN 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 04:57:38,876 WARN 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 04:57:38,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,878 WARN 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 04:57:38,878 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,883 WARN 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 04:57:38,883 WARN 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 04:57:38,884 WARN 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 04:57:38,884 WARN 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 04:57:38,890 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,891 WARN 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 04:57:38,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,891 WARN 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 04:57:38,892 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,892 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 04:57:38,892 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,892 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 04:57:38,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,895 WARN 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 04:57:38,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,896 WARN 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 04:57:38,896 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,896 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,933 WARN 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 04:57:38,933 WARN 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 04:57:38,933 WARN 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 04:57:38,934 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:38,955 WARN 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 04:57:38,955 WARN 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 04:57:38,955 WARN 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 04:57:38,956 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,956 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,956 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,956 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,956 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,957 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,957 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,957 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,957 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,957 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:38,958 WARN 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 04:57:38,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 04:57:38,979 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 04:57:38,989 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_list_clear_harness.i[4494,4507] [2024-11-06 04:57:38,989 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_list_clear_harness.i[4554,4567] [2024-11-06 04:57:39,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,019 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,019 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,019 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,019 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,020 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,020 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,020 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,021 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,062 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,066 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:39,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2024-11-06 04:57:39,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 04:57:39,270 INFO L204 MainTranslator]: Completed translation [2024-11-06 04:57:39,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39 WrapperNode [2024-11-06 04:57:39,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 04:57:39,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 04:57:39,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 04:57:39,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 04:57:39,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (1/1) ... [2024-11-06 04:57:39,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (1/1) ... [2024-11-06 04:57:39,379 INFO L138 Inliner]: procedures = 699, calls = 1574, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 583 [2024-11-06 04:57:39,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 04:57:39,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 04:57:39,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 04:57:39,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 04:57:39,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (1/1) ... [2024-11-06 04:57:39,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (1/1) ... [2024-11-06 04:57:39,402 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (1/1) ... [2024-11-06 04:57:39,446 INFO L175 MemorySlicer]: Split 291 memory accesses to 6 slices as follows [2, 238, 5, 9, 3, 34]. 82 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 5, 5, 1, 5]. The 237 writes are split as follows [0, 232, 0, 0, 1, 4]. [2024-11-06 04:57:39,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (1/1) ... [2024-11-06 04:57:39,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (1/1) ... [2024-11-06 04:57:39,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (1/1) ... [2024-11-06 04:57:39,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (1/1) ... [2024-11-06 04:57:39,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (1/1) ... [2024-11-06 04:57:39,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (1/1) ... [2024-11-06 04:57:39,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 04:57:39,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 04:57:39,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 04:57:39,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 04:57:39,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (1/1) ... [2024-11-06 04:57:39,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 04:57:39,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 04:57:39,534 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 04:57:39,536 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 04:57:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 04:57:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-06 04:57:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-06 04:57:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-06 04:57:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-06 04:57:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 04:57:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 04:57:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 04:57:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 04:57:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 04:57:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 04:57:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 04:57:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 04:57:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-06 04:57:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-06 04:57:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 04:57:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 04:57:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 04:57:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 04:57:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 04:57:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 04:57:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 04:57:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 04:57:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 04:57:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 04:57:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 04:57:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 04:57:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 04:57:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 04:57:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 04:57:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 04:57:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 04:57:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 04:57:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 04:57:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 04:57:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-06 04:57:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-06 04:57:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 04:57:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 04:57:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 04:57:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 04:57:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 04:57:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 04:57:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 04:57:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 04:57:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 04:57:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2024-11-06 04:57:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2024-11-06 04:57:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 04:57:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 04:57:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 04:57:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 04:57:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 04:57:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 04:57:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 04:57:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 04:57:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 04:57:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 04:57:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 04:57:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 04:57:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 04:57:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 04:57:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 04:57:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 04:57:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 04:57:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-06 04:57:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-06 04:57:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-06 04:57:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-06 04:57:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-06 04:57:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 04:57:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 04:57:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 04:57:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 04:57:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 04:57:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 04:57:39,852 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 04:57:39,854 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 04:57:46,885 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-06 04:57:46,885 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 04:57:46,899 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 04:57:46,899 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-06 04:57:46,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 04:57:46 BoogieIcfgContainer [2024-11-06 04:57:46,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 04:57:46,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 04:57:46,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 04:57:46,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 04:57:46,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 04:57:37" (1/3) ... [2024-11-06 04:57:46,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e041b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 04:57:46, skipping insertion in model container [2024-11-06 04:57:46,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:39" (2/3) ... [2024-11-06 04:57:46,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e041b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 04:57:46, skipping insertion in model container [2024-11-06 04:57:46,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 04:57:46" (3/3) ... [2024-11-06 04:57:46,907 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness.i [2024-11-06 04:57:46,919 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 04:57:46,919 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 04:57:46,969 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 04:57:46,976 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;@2fd947d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 04:57:46,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 04:57:46,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-06 04:57:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-06 04:57:46,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:57:46,993 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 04:57:46,994 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:57:46,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:57:46,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1818819730, now seen corresponding path program 1 times [2024-11-06 04:57:47,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:57:47,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502455988] [2024-11-06 04:57:47,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:57:47,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 04:57:47,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:57:47,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 04:57:47,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 04:57:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:57:53,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 04:57:53,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:57:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-06 04:57:53,937 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:57:53,938 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:57:53,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502455988] [2024-11-06 04:57:53,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502455988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:57:53,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:57:53,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 04:57:53,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730291803] [2024-11-06 04:57:53,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:57:53,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 04:57:53,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:57:53,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 04:57:53,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 04:57:53,965 INFO L87 Difference]: Start difference. First operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 04:57:53,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:57:53,998 INFO L93 Difference]: Finished difference Result 195 states and 256 transitions. [2024-11-06 04:57:54,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 04:57:54,001 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2024-11-06 04:57:54,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:57:54,008 INFO L225 Difference]: With dead ends: 195 [2024-11-06 04:57:54,008 INFO L226 Difference]: Without dead ends: 96 [2024-11-06 04:57:54,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 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 04:57:54,014 INFO L432 NwaCegarLoop]: 123 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, 123 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 04:57:54,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 04:57:54,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-06 04:57:54,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-06 04:57:54,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 60 states have internal predecessors, (69), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-06 04:57:54,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 118 transitions. [2024-11-06 04:57:54,047 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 118 transitions. Word has length 60 [2024-11-06 04:57:54,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:57:54,047 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 118 transitions. [2024-11-06 04:57:54,047 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 04:57:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2024-11-06 04:57:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-06 04:57:54,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:57:54,049 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 04:57:54,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-06 04:57:54,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 04:57:54,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:57:54,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:57:54,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1417756758, now seen corresponding path program 1 times [2024-11-06 04:57:54,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:57:54,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75668962] [2024-11-06 04:57:54,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:57:54,255 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 04:57:54,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:57:54,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 04:57:54,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-06 04:58:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:00,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 04:58:00,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:58:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-06 04:58:02,583 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:58:02,584 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:58:02,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75668962] [2024-11-06 04:58:02,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75668962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:58:02,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:58:02,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 04:58:02,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835138972] [2024-11-06 04:58:02,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:58:02,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 04:58:02,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:58:02,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 04:58:02,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 04:58:02,587 INFO L87 Difference]: Start difference. First operand 96 states and 118 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 04:58:05,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:58:05,125 INFO L93 Difference]: Finished difference Result 160 states and 199 transitions. [2024-11-06 04:58:05,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 04:58:05,126 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2024-11-06 04:58:05,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:58:05,128 INFO L225 Difference]: With dead ends: 160 [2024-11-06 04:58:05,128 INFO L226 Difference]: Without dead ends: 98 [2024-11-06 04:58:05,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 04:58:05,129 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 23 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-06 04:58:05,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 362 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-06 04:58:05,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-06 04:58:05,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-06 04:58:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2024-11-06 04:58:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 121 transitions. [2024-11-06 04:58:05,141 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 121 transitions. Word has length 60 [2024-11-06 04:58:05,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:58:05,141 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 121 transitions. [2024-11-06 04:58:05,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 04:58:05,141 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2024-11-06 04:58:05,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-06 04:58:05,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:58:05,143 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 04:58:05,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-06 04:58:05,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 04:58:05,344 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:58:05,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:58:05,344 INFO L85 PathProgramCache]: Analyzing trace with hash -270811530, now seen corresponding path program 1 times [2024-11-06 04:58:05,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:58:05,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724006341] [2024-11-06 04:58:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:58:05,347 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 04:58:05,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:58:05,348 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 04:58:05,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-06 04:58:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:12,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 2465 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 04:58:12,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:58:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-06 04:58:15,257 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:58:15,257 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:58:15,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724006341] [2024-11-06 04:58:15,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724006341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:58:15,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:58:15,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 04:58:15,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278199942] [2024-11-06 04:58:15,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:58:15,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 04:58:15,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:58:15,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 04:58:15,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 04:58:15,261 INFO L87 Difference]: Start difference. First operand 98 states and 121 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-06 04:58:20,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:58:20,103 INFO L93 Difference]: Finished difference Result 157 states and 192 transitions. [2024-11-06 04:58:20,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 04:58:20,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 75 [2024-11-06 04:58:20,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:58:20,106 INFO L225 Difference]: With dead ends: 157 [2024-11-06 04:58:20,106 INFO L226 Difference]: Without dead ends: 96 [2024-11-06 04:58:20,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-06 04:58:20,108 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 33 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-06 04:58:20,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 540 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-06 04:58:20,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-06 04:58:20,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-06 04:58:20,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.152542372881356) internal successors, (68), 60 states have internal predecessors, (68), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-06 04:58:20,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 117 transitions. [2024-11-06 04:58:20,117 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 117 transitions. Word has length 75 [2024-11-06 04:58:20,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:58:20,118 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 117 transitions. [2024-11-06 04:58:20,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-06 04:58:20,118 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2024-11-06 04:58:20,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-06 04:58:20,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:58:20,119 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 04:58:20,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-06 04:58:20,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 04:58:20,320 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:58:20,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:58:20,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1423335052, now seen corresponding path program 1 times [2024-11-06 04:58:20,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:58:20,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651065313] [2024-11-06 04:58:20,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:58:20,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 04:58:20,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:58:20,325 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 04:58:20,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-06 04:58:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:27,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 2665 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-06 04:58:27,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:58:49,730 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-06 04:58:49,730 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 04:59:08,464 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-06 04:59:08,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2024-11-06 04:59:09,330 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-06 04:59:09,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2024-11-06 04:59:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-06 04:59:11,394 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:59:11,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651065313] [2024-11-06 04:59:11,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651065313] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 04:59:11,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 04:59:11,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 17 [2024-11-06 04:59:11,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325843151] [2024-11-06 04:59:11,395 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 04:59:11,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-06 04:59:11,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:59:11,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-06 04:59:11,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-06 04:59:11,397 INFO L87 Difference]: Start difference. First operand 96 states and 117 transitions. Second operand has 17 states, 17 states have (on average 5.176470588235294) internal successors, (88), 15 states have internal predecessors, (88), 9 states have call successors, (28), 5 states have call predecessors, (28), 4 states have return successors, (25), 9 states have call predecessors, (25), 9 states have call successors, (25)