/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_clean_up_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 04:57:29,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 04:57:29,678 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 04:57:29,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 04:57:29,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 04:57:29,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 04:57:29,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 04:57:29,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 04:57:29,714 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 04:57:29,715 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 04:57:29,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 04:57:29,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 04:57:29,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 04:57:29,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 04:57:29,716 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 04:57:29,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 04:57:29,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 04:57:29,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 04:57:29,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 04:57:29,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 04:57:29,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 04:57:29,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 04:57:29,720 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 04:57:29,721 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 04:57:29,721 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 04:57:29,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 04:57:29,721 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 04:57:29,721 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 04:57:29,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 04:57:29,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 04:57:29,722 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 04:57:29,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 04:57:29,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 04:57:29,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 04:57:29,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 04:57:29,726 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 04:57:29,726 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 04:57:29,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 04:57:29,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 04:57:29,726 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 04:57:29,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 04:57:29,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 04:57:29,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 04:57:29,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 04:57:30,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 04:57:30,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 04:57:30,002 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 04:57:30,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_clean_up_harness.i [2024-11-06 04:57:31,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 04:57:31,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 04:57:31,735 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clean_up_harness.i [2024-11-06 04:57:31,771 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177eb1109/f264b0ee79684027b33aa267d674eb8b/FLAG953d61b82 [2024-11-06 04:57:31,922 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177eb1109/f264b0ee79684027b33aa267d674eb8b [2024-11-06 04:57:31,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 04:57:31,927 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 04:57:31,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 04:57:31,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 04:57:31,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 04:57:31,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 04:57:31" (1/1) ... [2024-11-06 04:57:31,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f08e750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:31, skipping insertion in model container [2024-11-06 04:57:31,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 04:57:31" (1/1) ... [2024-11-06 04:57:32,032 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 04:57:32,345 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_clean_up_harness.i[4497,4510] [2024-11-06 04:57:32,355 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_clean_up_harness.i[4557,4570] [2024-11-06 04:57:33,528 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,751 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,751 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,752 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,759 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,760 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:33,760 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:33,761 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:33,761 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:33,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:33,765 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,765 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:33,774 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:33,774 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:33,776 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,776 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:33,776 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,778 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:33,778 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,779 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:33,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:33,779 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:33,780 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,494 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,495 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,496 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,496 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,568 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,573 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,578 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,578 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,578 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,579 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,579 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,579 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,579 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,579 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,580 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,580 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,580 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 04:57:34,655 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 04:57:34,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 04:57:34,699 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_clean_up_harness.i[4497,4510] [2024-11-06 04:57:34,700 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_clean_up_harness.i[4557,4570] [2024-11-06 04:57:34,729 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,745 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,745 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,746 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,749 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,749 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,751 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,753 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,754 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,755 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,755 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,766 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,769 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,769 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,769 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,770 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,771 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,771 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,772 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,773 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,827 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,827 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,827 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,828 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,850 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,852 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,852 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,853 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,853 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,853 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,853 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,853 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,854 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,855 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,855 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,855 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,855 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,855 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,857 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:57:34,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 04:57:34,900 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 04:57:34,912 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_clean_up_harness.i[4497,4510] [2024-11-06 04:57:34,912 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_clean_up_harness.i[4557,4570] [2024-11-06 04:57:34,963 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,975 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:34,975 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:35,021 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:35,024 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:57:35,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2024-11-06 04:57:35,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 04:57:35,227 INFO L204 MainTranslator]: Completed translation [2024-11-06 04:57:35,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35 WrapperNode [2024-11-06 04:57:35,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 04:57:35,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 04:57:35,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 04:57:35,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 04:57:35,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (1/1) ... [2024-11-06 04:57:35,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (1/1) ... [2024-11-06 04:57:35,352 INFO L138 Inliner]: procedures = 699, calls = 1548, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 575 [2024-11-06 04:57:35,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 04:57:35,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 04:57:35,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 04:57:35,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 04:57:35,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (1/1) ... [2024-11-06 04:57:35,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (1/1) ... [2024-11-06 04:57:35,367 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (1/1) ... [2024-11-06 04:57:35,417 INFO L175 MemorySlicer]: Split 277 memory accesses to 5 slices as follows [2, 238, 28, 6, 3]. 86 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 6, 5, 5, 1]. The 237 writes are split as follows [0, 232, 4, 0, 1]. [2024-11-06 04:57:35,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (1/1) ... [2024-11-06 04:57:35,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (1/1) ... [2024-11-06 04:57:35,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (1/1) ... [2024-11-06 04:57:35,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (1/1) ... [2024-11-06 04:57:35,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (1/1) ... [2024-11-06 04:57:35,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (1/1) ... [2024-11-06 04:57:35,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 04:57:35,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 04:57:35,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 04:57:35,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 04:57:35,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (1/1) ... [2024-11-06 04:57:35,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 04:57:35,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 04:57:35,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 04:57:35,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 04:57:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-06 04:57:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-06 04:57:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 04:57:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-06 04:57:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-06 04:57:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-06 04:57:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-06 04:57:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 04:57:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 04:57:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 04:57:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 04:57:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 04:57:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 04:57:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 04:57:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 04:57:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 04:57:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 04:57:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 04:57:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 04:57:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-06 04:57:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-06 04:57:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-06 04:57:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-06 04:57:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-06 04:57:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-06 04:57:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-06 04:57:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 04:57:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 04:57:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 04:57:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 04:57:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 04:57:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 04:57:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 04:57:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 04:57:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 04:57:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 04:57:35,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 04:57:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 04:57:35,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 04:57:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 04:57:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 04:57:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 04:57:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 04:57:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 04:57:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 04:57:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 04:57:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-06 04:57:35,536 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-06 04:57:35,536 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-06 04:57:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-06 04:57:35,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-06 04:57:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-06 04:57:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-06 04:57:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-06 04:57:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-06 04:57:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 04:57:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 04:57:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 04:57:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 04:57:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 04:57:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 04:57:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 04:57:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 04:57:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 04:57:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 04:57:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 04:57:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 04:57:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 04:57:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 04:57:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 04:57:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 04:57:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 04:57:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 04:57:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-06 04:57:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-06 04:57:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-06 04:57:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-06 04:57:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 04:57:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 04:57:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 04:57:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 04:57:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 04:57:35,830 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 04:57:35,832 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 04:57:42,540 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-06 04:57:42,540 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 04:57:42,557 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 04:57:42,558 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-06 04:57:42,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 04:57:42 BoogieIcfgContainer [2024-11-06 04:57:42,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 04:57:42,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 04:57:42,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 04:57:42,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 04:57:42,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 04:57:31" (1/3) ... [2024-11-06 04:57:42,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b33014d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 04:57:42, skipping insertion in model container [2024-11-06 04:57:42,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:57:35" (2/3) ... [2024-11-06 04:57:42,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b33014d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 04:57:42, skipping insertion in model container [2024-11-06 04:57:42,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 04:57:42" (3/3) ... [2024-11-06 04:57:42,568 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clean_up_harness.i [2024-11-06 04:57:42,584 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 04:57:42,584 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 04:57:42,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 04:57:42,659 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;@45173d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 04:57:42,659 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 04:57:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-06 04:57:42,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-06 04:57:42,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:57:42,679 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-06 04:57:42,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:57:42,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:57:42,684 INFO L85 PathProgramCache]: Analyzing trace with hash -24843130, now seen corresponding path program 1 times [2024-11-06 04:57:42,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:57:42,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039738919] [2024-11-06 04:57:42,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:57:42,702 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 04:57:42,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:57:42,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 04:57:42,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 04:57:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:57:49,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 2278 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 04:57:49,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:57:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-06 04:57:49,299 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:57:49,299 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:57:49,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039738919] [2024-11-06 04:57:49,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039738919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:57:49,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:57:49,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 04:57:49,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199738322] [2024-11-06 04:57:49,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:57:49,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 04:57:49,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:57:49,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 04:57:49,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 04:57:49,327 INFO L87 Difference]: Start difference. First operand has 114 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 04:57:49,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:57:49,352 INFO L93 Difference]: Finished difference Result 221 states and 288 transitions. [2024-11-06 04:57:49,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 04:57:49,354 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2024-11-06 04:57:49,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:57:49,363 INFO L225 Difference]: With dead ends: 221 [2024-11-06 04:57:49,364 INFO L226 Difference]: Without dead ends: 107 [2024-11-06 04:57:49,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 04:57:49,373 INFO L432 NwaCegarLoop]: 137 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, 137 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 04:57:49,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 04:57:49,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-06 04:57:49,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-06 04:57:49,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 72 states have (on average 1.2083333333333333) internal successors, (87), 72 states have internal predecessors, (87), 22 states have call successors, (22), 13 states have call predecessors, (22), 12 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-06 04:57:49,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 130 transitions. [2024-11-06 04:57:49,420 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 130 transitions. Word has length 65 [2024-11-06 04:57:49,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:57:49,420 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 130 transitions. [2024-11-06 04:57:49,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 04:57:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2024-11-06 04:57:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-06 04:57:49,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:57:49,424 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-06 04:57:49,481 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 04:57:49,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 04:57:49,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:57:49,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:57:49,627 INFO L85 PathProgramCache]: Analyzing trace with hash -777474442, now seen corresponding path program 1 times [2024-11-06 04:57:49,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:57:49,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050373729] [2024-11-06 04:57:49,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:57:49,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 04:57:49,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:57:49,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 04:57:49,634 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 04:57:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:57:55,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 2294 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 04:57:55,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:57:57,504 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-06 04:57:57,504 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:57:57,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:57:57,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050373729] [2024-11-06 04:57:57,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2050373729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:57:57,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:57:57,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 04:57:57,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535923392] [2024-11-06 04:57:57,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:57:57,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 04:57:57,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:57:57,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 04:57:57,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 04:57:57,511 INFO L87 Difference]: Start difference. First operand 107 states and 130 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-06 04:57:58,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:57:58,876 INFO L93 Difference]: Finished difference Result 182 states and 221 transitions. [2024-11-06 04:57:58,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 04:57:58,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2024-11-06 04:57:58,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:57:58,884 INFO L225 Difference]: With dead ends: 182 [2024-11-06 04:57:58,884 INFO L226 Difference]: Without dead ends: 109 [2024-11-06 04:57:58,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 04:57:58,885 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 31 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-06 04:57:58,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 427 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-06 04:57:58,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-06 04:57:58,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-06 04:57:58,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 73 states have (on average 1.2054794520547945) internal successors, (88), 74 states have internal predecessors, (88), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-06 04:57:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 132 transitions. [2024-11-06 04:57:58,897 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 132 transitions. Word has length 71 [2024-11-06 04:57:58,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:57:58,898 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 132 transitions. [2024-11-06 04:57:58,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-06 04:57:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2024-11-06 04:57:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-06 04:57:58,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:57:58,900 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 04:57:58,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-06 04:57:59,100 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 04:57:59,101 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:57:59,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:57:59,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1030482612, now seen corresponding path program 1 times [2024-11-06 04:57:59,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:57:59,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806539518] [2024-11-06 04:57:59,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:57:59,105 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 04:57:59,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:57:59,108 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 04:57:59,109 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 04:58:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:05,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 2394 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 04:58:05,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:58:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-06 04:58:06,393 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:58:06,393 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:58:06,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806539518] [2024-11-06 04:58:06,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806539518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:58:06,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:58:06,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 04:58:06,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70863436] [2024-11-06 04:58:06,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:58:06,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 04:58:06,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:58:06,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 04:58:06,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 04:58:06,396 INFO L87 Difference]: Start difference. First operand 109 states and 132 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 04:58:07,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:58:07,016 INFO L93 Difference]: Finished difference Result 189 states and 229 transitions. [2024-11-06 04:58:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 04:58:07,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2024-11-06 04:58:07,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:58:07,019 INFO L225 Difference]: With dead ends: 189 [2024-11-06 04:58:07,019 INFO L226 Difference]: Without dead ends: 114 [2024-11-06 04:58:07,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 04:58:07,022 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 4 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 04:58:07,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 371 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 04:58:07,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-06 04:58:07,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 110. [2024-11-06 04:58:07,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 74 states have (on average 1.2027027027027026) internal successors, (89), 75 states have internal predecessors, (89), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-06 04:58:07,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 133 transitions. [2024-11-06 04:58:07,036 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 133 transitions. Word has length 86 [2024-11-06 04:58:07,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:58:07,036 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 133 transitions. [2024-11-06 04:58:07,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 04:58:07,036 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2024-11-06 04:58:07,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-06 04:58:07,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:58:07,038 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 04:58:07,100 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 04:58:07,239 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 04:58:07,239 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:58:07,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:58:07,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1643260358, now seen corresponding path program 1 times [2024-11-06 04:58:07,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:58:07,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719959986] [2024-11-06 04:58:07,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:58:07,242 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 04:58:07,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:58:07,244 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 04:58:07,244 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 04:58:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:13,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 2398 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 04:58:13,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:58:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-06 04:58:14,663 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:58:14,663 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:58:14,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719959986] [2024-11-06 04:58:14,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719959986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:58:14,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:58:14,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 04:58:14,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250789607] [2024-11-06 04:58:14,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:58:14,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 04:58:14,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:58:14,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 04:58:14,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 04:58:14,665 INFO L87 Difference]: Start difference. First operand 110 states and 133 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 04:58:15,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:58:15,229 INFO L93 Difference]: Finished difference Result 154 states and 186 transitions. [2024-11-06 04:58:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 04:58:15,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2024-11-06 04:58:15,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:58:15,231 INFO L225 Difference]: With dead ends: 154 [2024-11-06 04:58:15,231 INFO L226 Difference]: Without dead ends: 114 [2024-11-06 04:58:15,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 04:58:15,232 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 04:58:15,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 502 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 04:58:15,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-06 04:58:15,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-06 04:58:15,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 22 states have call successors, (22), 13 states have call predecessors, (22), 14 states have return successors, (24), 22 states have call predecessors, (24), 21 states have call successors, (24) [2024-11-06 04:58:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 138 transitions. [2024-11-06 04:58:15,244 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 138 transitions. Word has length 86 [2024-11-06 04:58:15,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:58:15,245 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 138 transitions. [2024-11-06 04:58:15,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 04:58:15,245 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 138 transitions. [2024-11-06 04:58:15,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-06 04:58:15,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:58:15,251 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:15,315 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 04:58:15,451 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 04:58:15,452 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:58:15,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:58:15,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1346084365, now seen corresponding path program 1 times [2024-11-06 04:58:15,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:58:15,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132462641] [2024-11-06 04:58:15,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:58:15,455 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 04:58:15,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:58:15,456 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 04:58:15,457 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 04:58:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:22,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 2400 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-06 04:58:22,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:58:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-06 04:58:23,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 04:58:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-06 04:58:27,565 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:58:27,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132462641] [2024-11-06 04:58:27,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132462641] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 04:58:27,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 04:58:27,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-06 04:58:27,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912269619] [2024-11-06 04:58:27,566 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 04:58:27,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 04:58:27,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:58:27,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 04:58:27,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-06 04:58:27,567 INFO L87 Difference]: Start difference. First operand 114 states and 138 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 04:58:29,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:58:29,872 INFO L93 Difference]: Finished difference Result 210 states and 258 transitions. [2024-11-06 04:58:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-06 04:58:29,873 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 89 [2024-11-06 04:58:29,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:58:29,874 INFO L225 Difference]: With dead ends: 210 [2024-11-06 04:58:29,874 INFO L226 Difference]: Without dead ends: 129 [2024-11-06 04:58:29,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-06 04:58:29,875 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 20 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-06 04:58:29,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 509 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-06 04:58:29,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-06 04:58:29,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 123. [2024-11-06 04:58:29,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 86 states have (on average 1.2093023255813953) internal successors, (104), 87 states have internal predecessors, (104), 22 states have call successors, (22), 13 states have call predecessors, (22), 14 states have return successors, (24), 22 states have call predecessors, (24), 21 states have call successors, (24) [2024-11-06 04:58:29,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 150 transitions. [2024-11-06 04:58:29,884 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 150 transitions. Word has length 89 [2024-11-06 04:58:29,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:58:29,884 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 150 transitions. [2024-11-06 04:58:29,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 04:58:29,884 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 150 transitions. [2024-11-06 04:58:29,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-06 04:58:29,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:58:29,886 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1] [2024-11-06 04:58:29,947 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 04:58:30,086 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 04:58:30,086 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:58:30,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:58:30,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1425024569, now seen corresponding path program 1 times [2024-11-06 04:58:30,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:58:30,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105707294] [2024-11-06 04:58:30,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:58:30,089 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 04:58:30,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:58:30,091 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 04:58:30,092 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 04:58:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:37,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 2420 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 04:58:37,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:58:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-06 04:58:39,931 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:58:39,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:58:39,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105707294] [2024-11-06 04:58:39,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105707294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:58:39,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:58:39,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 04:58:39,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297137382] [2024-11-06 04:58:39,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:58:39,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 04:58:39,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:58:39,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 04:58:39,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 04:58:39,934 INFO L87 Difference]: Start difference. First operand 123 states and 150 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-06 04:58:42,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:58:42,532 INFO L93 Difference]: Finished difference Result 175 states and 212 transitions. [2024-11-06 04:58:42,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 04:58:42,533 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 92 [2024-11-06 04:58:42,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:58:42,536 INFO L225 Difference]: With dead ends: 175 [2024-11-06 04:58:42,536 INFO L226 Difference]: Without dead ends: 121 [2024-11-06 04:58:42,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 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 04:58:42,537 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 41 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-06 04:58:42,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 524 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-06 04:58:42,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-06 04:58:42,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-06 04:58:42,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 85 states have (on average 1.2) internal successors, (102), 85 states have internal predecessors, (102), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (23), 22 states have call predecessors, (23), 21 states have call successors, (23) [2024-11-06 04:58:42,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2024-11-06 04:58:42,549 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 92 [2024-11-06 04:58:42,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:58:42,549 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2024-11-06 04:58:42,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-06 04:58:42,550 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2024-11-06 04:58:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-06 04:58:42,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:58:42,551 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-06 04:58:42,631 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 (7)] Ended with exit code 0 [2024-11-06 04:58:42,752 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 04:58:42,752 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:58:42,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:58:42,753 INFO L85 PathProgramCache]: Analyzing trace with hash 118944919, now seen corresponding path program 1 times [2024-11-06 04:58:42,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:58:42,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544334898] [2024-11-06 04:58:42,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:58:42,756 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 04:58:42,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:58:42,758 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 04:58:42,759 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 04:58:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:50,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 2520 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 04:58:50,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:58:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 04:58:50,709 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:58:50,709 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:58:50,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544334898] [2024-11-06 04:58:50,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544334898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:58:50,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:58:50,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 04:58:50,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481824684] [2024-11-06 04:58:50,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:58:50,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 04:58:50,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:58:50,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 04:58:50,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 04:58:50,711 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 04:58:50,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:58:50,981 INFO L93 Difference]: Finished difference Result 152 states and 183 transitions. [2024-11-06 04:58:50,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 04:58:50,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2024-11-06 04:58:50,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:58:50,984 INFO L225 Difference]: With dead ends: 152 [2024-11-06 04:58:50,984 INFO L226 Difference]: Without dead ends: 122 [2024-11-06 04:58:50,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 04:58:50,985 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 04:58:50,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 379 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 04:58:50,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-06 04:58:50,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-06 04:58:50,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 86 states have (on average 1.197674418604651) internal successors, (103), 86 states have internal predecessors, (103), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (23), 22 states have call predecessors, (23), 21 states have call successors, (23) [2024-11-06 04:58:50,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 148 transitions. [2024-11-06 04:58:50,995 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 148 transitions. Word has length 107 [2024-11-06 04:58:50,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:58:50,996 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 148 transitions. [2024-11-06 04:58:50,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 04:58:50,996 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 148 transitions. [2024-11-06 04:58:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-06 04:58:50,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:58:50,997 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-06 04:58:51,072 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 (8)] Forceful destruction successful, exit code 0 [2024-11-06 04:58:51,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /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 04:58:51,198 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:58:51,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:58:51,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1598070486, now seen corresponding path program 1 times [2024-11-06 04:58:51,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:58:51,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478067692] [2024-11-06 04:58:51,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:58:51,202 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 04:58:51,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:58:51,203 INFO L229 MonitoredProcess]: Starting monitored process 9 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 04:58:51,204 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 (9)] Waiting until timeout for monitored process [2024-11-06 04:58:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:58:59,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 2531 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 04:58:59,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:59:00,515 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 04:59:00,515 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 04:59:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-06 04:59:04,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:59:04,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478067692] [2024-11-06 04:59:04,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [478067692] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 04:59:04,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 04:59:04,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-06 04:59:04,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207929625] [2024-11-06 04:59:04,962 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 04:59:04,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 04:59:04,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:59:04,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 04:59:04,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-06 04:59:04,963 INFO L87 Difference]: Start difference. First operand 122 states and 148 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-06 04:59:06,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:59:06,320 INFO L93 Difference]: Finished difference Result 157 states and 190 transitions. [2024-11-06 04:59:06,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-06 04:59:06,321 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 108 [2024-11-06 04:59:06,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:59:06,322 INFO L225 Difference]: With dead ends: 157 [2024-11-06 04:59:06,322 INFO L226 Difference]: Without dead ends: 125 [2024-11-06 04:59:06,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-06 04:59:06,323 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 04:59:06,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 756 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 04:59:06,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-06 04:59:06,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-06 04:59:06,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 89 states have (on average 1.1910112359550562) internal successors, (106), 89 states have internal predecessors, (106), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (23), 22 states have call predecessors, (23), 21 states have call successors, (23) [2024-11-06 04:59:06,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 151 transitions. [2024-11-06 04:59:06,335 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 151 transitions. Word has length 108 [2024-11-06 04:59:06,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:59:06,335 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 151 transitions. [2024-11-06 04:59:06,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-06 04:59:06,336 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 151 transitions. [2024-11-06 04:59:06,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-06 04:59:06,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:59:06,338 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-06 04:59:06,427 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 (9)] Ended with exit code 0 [2024-11-06 04:59:06,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /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 04:59:06,539 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:59:06,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:59:06,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1722872745, now seen corresponding path program 2 times [2024-11-06 04:59:06,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:59:06,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755910377] [2024-11-06 04:59:06,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 04:59:06,542 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 04:59:06,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:59:06,544 INFO L229 MonitoredProcess]: Starting monitored process 10 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 04:59:06,547 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 (10)] Waiting until timeout for monitored process