/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_copy_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 04:57:57,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 04:57:57,514 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 04:57:57,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 04:57:57,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 04:57:57,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 04:57:57,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 04:57:57,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 04:57:57,533 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 04:57:57,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 04:57:57,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 04:57:57,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 04:57:57,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 04:57:57,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 04:57:57,535 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 04:57:57,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 04:57:57,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 04:57:57,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 04:57:57,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 04:57:57,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 04:57:57,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 04:57:57,537 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 04:57:57,537 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 04:57:57,537 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 04:57:57,538 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 04:57:57,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 04:57:57,538 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 04:57:57,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 04:57:57,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 04:57:57,539 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 04:57:57,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 04:57:57,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 04:57:57,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 04:57:57,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 04:57:57,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 04:57:57,540 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 04:57:57,540 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 04:57:57,540 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 04:57:57,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 04:57:57,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 04:57:57,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 04:57:57,545 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 04:57:57,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 04:57:57,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 04:57:57,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 04:57:57,784 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 04:57:57,785 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 04:57:57,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i [2024-11-06 04:57:59,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 04:57:59,503 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 04:57:59,504 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i [2024-11-06 04:57:59,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a67875cf9/ed2448b2a45542a6a26e3b2d02bd0a66/FLAG7817f7f8d [2024-11-06 04:57:59,698 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a67875cf9/ed2448b2a45542a6a26e3b2d02bd0a66 [2024-11-06 04:57:59,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 04:57:59,701 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 04:57:59,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 04:57:59,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 04:57:59,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 04:57:59,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 04:57:59" (1/1) ... [2024-11-06 04:57:59,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3418f41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:59, skipping insertion in model container [2024-11-06 04:57:59,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 04:57:59" (1/1) ... [2024-11-06 04:57:59,809 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 04:58:00,076 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_copy_harness.i[4493,4506] [2024-11-06 04:58:00,085 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_copy_harness.i[4553,4566] [2024-11-06 04:58:00,548 WARN 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 04:58:00,651 WARN 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 04:58:00,651 WARN 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 04:58:00,652 WARN 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 04:58:00,657 WARN 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 04:58:00,658 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,659 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,659 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,659 WARN 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 04:58:00,660 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,660 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,662 WARN 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 04:58:00,662 WARN 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 04:58:00,664 WARN 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 04:58:00,664 WARN 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 04:58:00,669 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,669 WARN 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 04:58:00,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,671 WARN 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 04:58:00,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,673 WARN 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 04:58:00,673 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,673 WARN 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 04:58:00,674 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,675 WARN 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 04:58:00,675 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,675 WARN 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 04:58:00,675 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,676 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,887 WARN 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 04:58:00,888 WARN 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 04:58:00,888 WARN 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 04:58:00,888 WARN 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 04:58:00,952 WARN 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 04:58:00,962 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:58:00,962 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:58:00,963 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:58:00,963 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:58:00,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,964 WARN 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 04:58:00,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:00,979 WARN 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 04:58:00,979 WARN 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 04:58:00,979 WARN 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 04:58:00,979 WARN 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 04:58:00,980 WARN 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 04:58:00,980 WARN 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 04:58:00,980 WARN 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 04:58:00,980 WARN 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 04:58:00,981 WARN 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 04:58:00,981 WARN 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 04:58:00,981 WARN 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 04:58:00,981 WARN 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 04:58:00,982 WARN 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 04:58:00,982 WARN 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 04:58:01,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 04:58:01,095 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 04:58:01,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 04:58:01,134 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_copy_harness.i[4493,4506] [2024-11-06 04:58:01,134 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_copy_harness.i[4553,4566] [2024-11-06 04:58:01,159 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 04:58:01,187 WARN 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 04:58:01,188 WARN 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 04:58:01,188 WARN 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 04:58:01,192 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 04:58:01,194 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,194 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,194 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,195 WARN 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 04:58:01,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,200 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 04:58:01,201 WARN 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 04:58:01,202 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 04:58:01,202 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 04:58:01,208 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,209 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 04:58:01,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,209 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 04:58:01,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,210 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 04:58:01,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,210 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 04:58:01,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,211 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 04:58:01,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,212 WARN 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 04:58:01,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,273 WARN 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 04:58:01,274 WARN 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 04:58:01,274 WARN 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 04:58:01,275 WARN 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 04:58:01,295 WARN 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 04:58:01,302 WARN 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 04:58:01,303 WARN 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 04:58:01,303 WARN 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 04:58:01,303 WARN 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 04:58:01,303 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,304 WARN 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 04:58:01,304 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,309 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,319 WARN 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 04:58:01,323 WARN 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 04:58:01,323 WARN 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 04:58:01,323 WARN 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 04:58:01,323 WARN 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 04:58:01,324 WARN 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 04:58:01,324 WARN 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 04:58:01,324 WARN 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 04:58:01,325 WARN 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 04:58:01,325 WARN 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 04:58:01,325 WARN 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 04:58:01,325 WARN 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 04:58:01,325 WARN 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 04:58:01,325 WARN 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 04:58:01,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 04:58:01,375 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 04:58:01,387 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_copy_harness.i[4493,4506] [2024-11-06 04:58:01,387 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_copy_harness.i[4553,4566] [2024-11-06 04:58:01,430 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,432 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,433 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,433 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,433 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,438 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,439 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,439 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,439 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,440 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,440 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,441 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,441 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,492 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,496 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:58:01,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2024-11-06 04:58:01,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 04:58:01,688 INFO L204 MainTranslator]: Completed translation [2024-11-06 04:58:01,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01 WrapperNode [2024-11-06 04:58:01,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 04:58:01,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 04:58:01,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 04:58:01,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 04:58:01,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (1/1) ... [2024-11-06 04:58:01,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (1/1) ... [2024-11-06 04:58:01,839 INFO L138 Inliner]: procedures = 700, calls = 1678, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 714 [2024-11-06 04:58:01,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 04:58:01,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 04:58:01,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 04:58:01,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 04:58:01,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (1/1) ... [2024-11-06 04:58:01,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (1/1) ... [2024-11-06 04:58:01,865 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (1/1) ... [2024-11-06 04:58:01,951 INFO L175 MemorySlicer]: Split 313 memory accesses to 5 slices as follows [238, 2, 7, 57, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 5, 10, 1]. The 241 writes are split as follows [232, 0, 1, 7, 1]. [2024-11-06 04:58:01,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (1/1) ... [2024-11-06 04:58:01,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (1/1) ... [2024-11-06 04:58:01,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (1/1) ... [2024-11-06 04:58:01,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (1/1) ... [2024-11-06 04:58:01,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (1/1) ... [2024-11-06 04:58:02,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (1/1) ... [2024-11-06 04:58:02,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 04:58:02,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 04:58:02,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 04:58:02,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 04:58:02,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (1/1) ... [2024-11-06 04:58:02,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 04:58:02,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 04:58:02,062 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 04:58:02,065 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 04:58:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 04:58:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-06 04:58:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-06 04:58:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-06 04:58:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-06 04:58:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 04:58:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-06 04:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-06 04:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-06 04:58:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-06 04:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-06 04:58:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-06 04:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 04:58:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 04:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 04:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 04:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 04:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 04:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 04:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 04:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 04:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-06 04:58:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 04:58:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 04:58:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-06 04:58:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 04:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 04:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-06 04:58:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-06 04:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-06 04:58:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-06 04:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 04:58:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 04:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-06 04:58:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-06 04:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-06 04:58:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-06 04:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 04:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 04:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 04:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 04:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 04:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 04:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 04:58:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-06 04:58:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-06 04:58:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-06 04:58:02,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-06 04:58:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 04:58:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 04:58:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 04:58:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 04:58:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 04:58:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-06 04:58:02,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-06 04:58:02,412 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 04:58:02,414 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 04:58:15,464 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-06 04:58:15,464 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 04:58:15,476 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 04:58:15,477 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-06 04:58:15,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 04:58:15 BoogieIcfgContainer [2024-11-06 04:58:15,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 04:58:15,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 04:58:15,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 04:58:15,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 04:58:15,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 04:57:59" (1/3) ... [2024-11-06 04:58:15,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1212e3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 04:58:15, skipping insertion in model container [2024-11-06 04:58:15,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:58:01" (2/3) ... [2024-11-06 04:58:15,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1212e3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 04:58:15, skipping insertion in model container [2024-11-06 04:58:15,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 04:58:15" (3/3) ... [2024-11-06 04:58:15,486 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness.i [2024-11-06 04:58:15,498 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 04:58:15,498 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 04:58:15,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 04:58:15,566 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;@1c1ae601, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 04:58:15,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 04:58:15,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 208 states, 118 states have (on average 1.1864406779661016) internal successors, (140), 119 states have internal predecessors, (140), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-06 04:58:15,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-06 04:58:15,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:58:15,591 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 04:58:15,591 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:58:15,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:58:15,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1662380414, now seen corresponding path program 1 times [2024-11-06 04:58:15,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:58:15,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509642290] [2024-11-06 04:58:15,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:58:15,611 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 04:58:15,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:58:15,614 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 04:58:15,615 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 04:58:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:22,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 04:58:22,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:58:22,185 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-06 04:58:22,185 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:58:22,186 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:58:22,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509642290] [2024-11-06 04:58:22,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509642290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:58:22,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:58:22,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 04:58:22,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565954182] [2024-11-06 04:58:22,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:58:22,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 04:58:22,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:58:22,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 04:58:22,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 04:58:22,216 INFO L87 Difference]: Start difference. First operand has 208 states, 118 states have (on average 1.1864406779661016) internal successors, (140), 119 states have internal predecessors, (140), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-06 04:58:22,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:58:22,253 INFO L93 Difference]: Finished difference Result 412 states and 601 transitions. [2024-11-06 04:58:22,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 04:58:22,255 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2024-11-06 04:58:22,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:58:22,263 INFO L225 Difference]: With dead ends: 412 [2024-11-06 04:58:22,263 INFO L226 Difference]: Without dead ends: 203 [2024-11-06 04:58:22,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 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 04:58:22,272 INFO L432 NwaCegarLoop]: 280 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, 280 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 04:58:22,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 04:58:22,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-06 04:58:22,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-06 04:58:22,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 114 states have (on average 1.1754385964912282) internal successors, (134), 115 states have internal predecessors, (134), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-06 04:58:22,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 275 transitions. [2024-11-06 04:58:22,345 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 275 transitions. Word has length 144 [2024-11-06 04:58:22,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:58:22,351 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 275 transitions. [2024-11-06 04:58:22,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-06 04:58:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 275 transitions. [2024-11-06 04:58:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-06 04:58:22,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:58:22,356 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 04:58:22,414 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-06 04:58:22,560 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 04:58:22,561 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:58:22,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:58:22,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1772024658, now seen corresponding path program 1 times [2024-11-06 04:58:22,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:58:22,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181399671] [2024-11-06 04:58:22,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:58:22,566 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 04:58:22,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:58:22,569 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 04:58:22,569 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 04:58:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:28,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 04:58:28,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:58:29,271 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-06 04:58:29,271 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:58:29,272 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:58:29,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181399671] [2024-11-06 04:58:29,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181399671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:58:29,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:58:29,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 04:58:29,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066522190] [2024-11-06 04:58:29,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:58:29,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 04:58:29,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:58:29,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 04:58:29,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 04:58:29,274 INFO L87 Difference]: Start difference. First operand 203 states and 275 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-06 04:58:29,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:58:29,532 INFO L93 Difference]: Finished difference Result 401 states and 545 transitions. [2024-11-06 04:58:29,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 04:58:29,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2024-11-06 04:58:29,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:58:29,536 INFO L225 Difference]: With dead ends: 401 [2024-11-06 04:58:29,536 INFO L226 Difference]: Without dead ends: 204 [2024-11-06 04:58:29,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 04:58:29,537 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 04:58:29,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 544 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 04:58:29,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-06 04:58:29,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-06 04:58:29,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 115 states have (on average 1.173913043478261) internal successors, (135), 116 states have internal predecessors, (135), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-06 04:58:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2024-11-06 04:58:29,552 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 144 [2024-11-06 04:58:29,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:58:29,553 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2024-11-06 04:58:29,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-06 04:58:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2024-11-06 04:58:29,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-06 04:58:29,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:58:29,555 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 04:58:29,613 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-06 04:58:29,759 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 04:58:29,760 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:58:29,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:58:29,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1876282802, now seen corresponding path program 1 times [2024-11-06 04:58:29,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:58:29,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200542117] [2024-11-06 04:58:29,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:58:29,764 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 04:58:29,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:58:29,768 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 04:58:29,770 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 04:58:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:36,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 2587 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 04:58:36,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:58:37,650 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-06 04:58:37,650 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:58:37,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:58:37,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200542117] [2024-11-06 04:58:37,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200542117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:58:37,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:58:37,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 04:58:37,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712935030] [2024-11-06 04:58:37,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:58:37,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 04:58:37,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:58:37,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 04:58:37,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 04:58:37,657 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-06 04:58:43,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:58:43,218 INFO L93 Difference]: Finished difference Result 403 states and 556 transitions. [2024-11-06 04:58:43,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 04:58:43,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 144 [2024-11-06 04:58:43,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:58:43,224 INFO L225 Difference]: With dead ends: 403 [2024-11-06 04:58:43,224 INFO L226 Difference]: Without dead ends: 206 [2024-11-06 04:58:43,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 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 04:58:43,226 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 53 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-06 04:58:43,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 890 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-11-06 04:58:43,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-06 04:58:43,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-06 04:58:43,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 116 states have (on average 1.1724137931034482) internal successors, (136), 118 states have internal predecessors, (136), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (82), 70 states have call predecessors, (82), 70 states have call successors, (82) [2024-11-06 04:58:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 289 transitions. [2024-11-06 04:58:43,266 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 289 transitions. Word has length 144 [2024-11-06 04:58:43,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:58:43,266 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 289 transitions. [2024-11-06 04:58:43,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-06 04:58:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 289 transitions. [2024-11-06 04:58:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-06 04:58:43,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:58:43,273 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 04:58:43,360 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-06 04:58:43,474 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 04:58:43,475 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:58:43,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:58:43,475 INFO L85 PathProgramCache]: Analyzing trace with hash -723123943, now seen corresponding path program 1 times [2024-11-06 04:58:43,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:58:43,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624919180] [2024-11-06 04:58:43,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:58:43,478 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 04:58:43,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:58:43,481 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 04:58:43,482 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 04:58:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:50,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 2687 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 04:58:50,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:58:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-06 04:58:52,788 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:58:52,789 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:58:52,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624919180] [2024-11-06 04:58:52,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624919180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:58:52,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:58:52,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 04:58:52,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162072749] [2024-11-06 04:58:52,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:58:52,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 04:58:52,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:58:52,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 04:58:52,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 04:58:52,791 INFO L87 Difference]: Start difference. First operand 206 states and 289 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-06 04:58:57,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:58:57,709 INFO L93 Difference]: Finished difference Result 378 states and 528 transitions. [2024-11-06 04:58:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 04:58:57,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 159 [2024-11-06 04:58:57,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:58:57,714 INFO L225 Difference]: With dead ends: 378 [2024-11-06 04:58:57,714 INFO L226 Difference]: Without dead ends: 206 [2024-11-06 04:58:57,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 04:58:57,716 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 51 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-06 04:58:57,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 899 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-06 04:58:57,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-06 04:58:57,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-06 04:58:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 116 states have (on average 1.1724137931034482) internal successors, (136), 118 states have internal predecessors, (136), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2024-11-06 04:58:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 287 transitions. [2024-11-06 04:58:57,747 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 287 transitions. Word has length 159 [2024-11-06 04:58:57,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:58:57,748 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 287 transitions. [2024-11-06 04:58:57,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-06 04:58:57,748 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 287 transitions. [2024-11-06 04:58:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-06 04:58:57,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:58:57,750 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 04:58:57,831 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 (5)] Ended with exit code 0 [2024-11-06 04:58:57,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 04:58:57,959 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:58:57,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:58:57,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1414395720, now seen corresponding path program 2 times [2024-11-06 04:58:57,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:58:57,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2072981010] [2024-11-06 04:58:57,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 04:58:57,961 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 04:58:57,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:58:57,964 INFO L229 MonitoredProcess]: Starting monitored process 6 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 04:58:57,965 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 (6)] Waiting until timeout for monitored process [2024-11-06 04:59:03,905 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-06 04:59:03,906 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 04:59:04,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 2294 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 04:59:04,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:59:05,165 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-06 04:59:05,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:59:05,166 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:59:05,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2072981010] [2024-11-06 04:59:05,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2072981010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:59:05,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:59:05,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 04:59:05,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895457936] [2024-11-06 04:59:05,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:59:05,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 04:59:05,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:59:05,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 04:59:05,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 04:59:05,168 INFO L87 Difference]: Start difference. First operand 206 states and 287 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-06 04:59:05,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:59:05,780 INFO L93 Difference]: Finished difference Result 264 states and 362 transitions. [2024-11-06 04:59:05,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 04:59:05,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 174 [2024-11-06 04:59:05,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:59:05,783 INFO L225 Difference]: With dead ends: 264 [2024-11-06 04:59:05,783 INFO L226 Difference]: Without dead ends: 210 [2024-11-06 04:59:05,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 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 04:59:05,784 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 0 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 04:59:05,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1086 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 04:59:05,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-06 04:59:05,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-06 04:59:05,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 119 states have (on average 1.1680672268907564) internal successors, (139), 121 states have internal predecessors, (139), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (82), 71 states have call predecessors, (82), 70 states have call successors, (82) [2024-11-06 04:59:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 292 transitions. [2024-11-06 04:59:05,796 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 292 transitions. Word has length 174 [2024-11-06 04:59:05,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:59:05,797 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 292 transitions. [2024-11-06 04:59:05,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-06 04:59:05,797 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 292 transitions. [2024-11-06 04:59:05,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-06 04:59:05,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:59:05,798 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 04:59:05,859 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 (6)] Ended with exit code 0 [2024-11-06 04:59:05,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 04:59:05,999 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:59:06,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:59:06,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1275852850, now seen corresponding path program 1 times [2024-11-06 04:59:06,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:59:06,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288087470] [2024-11-06 04:59:06,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:59:06,002 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 04:59:06,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:59:06,003 INFO L229 MonitoredProcess]: Starting monitored process 7 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 04:59:06,005 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 (7)] Waiting until timeout for monitored process [2024-11-06 04:59:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:59:13,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 2767 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 04:59:13,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:59:16,642 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-06 04:59:16,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:59:16,643 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:59:16,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288087470] [2024-11-06 04:59:16,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288087470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:59:16,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:59:16,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 04:59:16,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063890071] [2024-11-06 04:59:16,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:59:16,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 04:59:16,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:59:16,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 04:59:16,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 04:59:16,645 INFO L87 Difference]: Start difference. First operand 210 states and 292 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-06 04:59:23,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 04:59:25,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:59:25,456 INFO L93 Difference]: Finished difference Result 375 states and 517 transitions. [2024-11-06 04:59:25,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 04:59:25,456 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 180 [2024-11-06 04:59:25,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:59:25,459 INFO L225 Difference]: With dead ends: 375 [2024-11-06 04:59:25,459 INFO L226 Difference]: Without dead ends: 210 [2024-11-06 04:59:25,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-06 04:59:25,460 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 78 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-06 04:59:25,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1095 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2024-11-06 04:59:25,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-06 04:59:25,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-06 04:59:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 119 states have (on average 1.1680672268907564) internal successors, (139), 121 states have internal predecessors, (139), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (77), 71 states have call predecessors, (77), 70 states have call successors, (77) [2024-11-06 04:59:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 287 transitions. [2024-11-06 04:59:25,472 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 287 transitions. Word has length 180 [2024-11-06 04:59:25,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:59:25,472 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 287 transitions. [2024-11-06 04:59:25,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-06 04:59:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 287 transitions. [2024-11-06 04:59:25,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-06 04:59:25,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:59:25,474 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 04:59:25,564 INFO L540 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 (7)] Forceful destruction successful, exit code 0 [2024-11-06 04:59:25,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 04:59:25,679 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:59:25,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:59:25,679 INFO L85 PathProgramCache]: Analyzing trace with hash -425459644, now seen corresponding path program 1 times [2024-11-06 04:59:25,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:59:25,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206925061] [2024-11-06 04:59:25,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:59:25,681 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 04:59:25,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:59:25,684 INFO L229 MonitoredProcess]: Starting monitored process 8 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 04:59:25,685 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 (8)] Waiting until timeout for monitored process [2024-11-06 04:59:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:59:33,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 2890 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-06 04:59:33,785 INFO L278 TraceCheckSpWp]: Computing forward predicates...