/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 13:33:52,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 13:33:52,368 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 13:33:52,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 13:33:52,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 13:33:52,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 13:33:52,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 13:33:52,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 13:33:52,396 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 13:33:52,397 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 13:33:52,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 13:33:52,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 13:33:52,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 13:33:52,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 13:33:52,398 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 13:33:52,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 13:33:52,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 13:33:52,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 13:33:52,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 13:33:52,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 13:33:52,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 13:33:52,402 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 13:33:52,402 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 13:33:52,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 13:33:52,402 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 13:33:52,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 13:33:52,403 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 13:33:52,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 13:33:52,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 13:33:52,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 13:33:52,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 13:33:52,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 13:33:52,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 13:33:52,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 13:33:52,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 13:33:52,404 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 13:33:52,404 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 13:33:52,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 13:33:52,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 13:33:52,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 13:33:52,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 13:33:52,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 13:33:52,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 13:33:52,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 13:33:52,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 13:33:52,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 13:33:52,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 13:33:52,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i [2024-11-05 13:33:54,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 13:33:54,531 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 13:33:54,531 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i [2024-11-05 13:33:54,559 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41cf79aef/cd47b2e3e7624ee0a0f5c0916f10c8b0/FLAG56ba6d99a [2024-11-05 13:33:54,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41cf79aef/cd47b2e3e7624ee0a0f5c0916f10c8b0 [2024-11-05 13:33:54,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 13:33:54,788 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 13:33:54,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 13:33:54,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 13:33:54,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 13:33:54,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:33:54" (1/1) ... [2024-11-05 13:33:54,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26948265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:54, skipping insertion in model container [2024-11-05 13:33:54,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:33:54" (1/1) ... [2024-11-05 13:33:54,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 13:33:55,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2024-11-05 13:33:55,082 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2024-11-05 13:33:55,579 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,769 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,771 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,774 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,797 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:55,798 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:55,798 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:55,798 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,799 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:55,799 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:55,801 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,801 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,802 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,802 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:55,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:55,808 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:55,809 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:55,809 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:55,810 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:55,811 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:55,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:55,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,038 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,039 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,039 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,039 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,120 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,125 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,135 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,135 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,137 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,137 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,138 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,138 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,138 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,138 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,138 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:33:56,259 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 13:33:56,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 13:33:56,283 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2024-11-05 13:33:56,284 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2024-11-05 13:33:56,301 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,322 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,322 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,322 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,330 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,332 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,333 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,334 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,334 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,334 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,337 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,338 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,338 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,338 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,339 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,339 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,339 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,339 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,340 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,340 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,340 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,341 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,341 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,341 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,380 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,381 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,381 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,381 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,404 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,421 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,421 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,422 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,422 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,422 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,422 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,422 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,423 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,423 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,424 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,424 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,424 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,424 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,424 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:33:56,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:33:56,460 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 13:33:56,477 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2024-11-05 13:33:56,477 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2024-11-05 13:33:56,569 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,570 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,574 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,574 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,580 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,581 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,581 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,581 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,582 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,582 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,582 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,582 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,627 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:33:56,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7517-7528] [2024-11-05 13:33:56,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:33:56,802 INFO L204 MainTranslator]: Completed translation [2024-11-05 13:33:56,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56 WrapperNode [2024-11-05 13:33:56,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 13:33:56,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 13:33:56,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 13:33:56,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 13:33:56,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (1/1) ... [2024-11-05 13:33:56,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (1/1) ... [2024-11-05 13:33:56,923 INFO L138 Inliner]: procedures = 699, calls = 1574, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 583 [2024-11-05 13:33:56,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 13:33:56,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 13:33:56,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 13:33:56,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 13:33:56,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (1/1) ... [2024-11-05 13:33:56,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (1/1) ... [2024-11-05 13:33:56,941 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (1/1) ... [2024-11-05 13:33:57,012 INFO L175 MemorySlicer]: Split 291 memory accesses to 6 slices as follows [2, 238, 3, 9, 5, 34]. 82 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 1, 5, 5, 5]. The 237 writes are split as follows [0, 232, 1, 0, 0, 4]. [2024-11-05 13:33:57,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (1/1) ... [2024-11-05 13:33:57,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (1/1) ... [2024-11-05 13:33:57,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (1/1) ... [2024-11-05 13:33:57,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (1/1) ... [2024-11-05 13:33:57,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (1/1) ... [2024-11-05 13:33:57,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (1/1) ... [2024-11-05 13:33:57,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 13:33:57,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 13:33:57,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 13:33:57,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 13:33:57,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (1/1) ... [2024-11-05 13:33:57,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 13:33:57,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 13:33:57,113 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) [2024-11-05 13:33:57,115 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 [2024-11-05 13:33:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 13:33:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-05 13:33:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-05 13:33:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-05 13:33:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-05 13:33:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 13:33:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 13:33:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 13:33:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 13:33:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 13:33:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 13:33:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 13:33:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 13:33:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 13:33:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 13:33:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 13:33:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 13:33:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 13:33:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 13:33:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 13:33:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 13:33:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 13:33:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 13:33:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 13:33:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 13:33:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 13:33:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 13:33:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 13:33:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 13:33:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 13:33:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 13:33:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 13:33:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 13:33:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 13:33:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 13:33:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 13:33:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 13:33:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 13:33:57,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 13:33:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 13:33:57,140 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 13:33:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 13:33:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 13:33:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 13:33:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 13:33:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 13:33:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 13:33:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-05 13:33:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-05 13:33:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 13:33:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 13:33:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 13:33:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 13:33:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 13:33:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 13:33:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 13:33:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 13:33:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 13:33:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2024-11-05 13:33:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2024-11-05 13:33:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 13:33:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 13:33:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 13:33:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 13:33:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 13:33:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 13:33:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 13:33:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 13:33:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 13:33:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 13:33:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 13:33:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 13:33:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 13:33:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 13:33:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 13:33:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 13:33:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 13:33:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 13:33:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 13:33:57,145 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 13:33:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-05 13:33:57,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-05 13:33:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 13:33:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 13:33:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 13:33:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 13:33:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 13:33:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 13:33:57,441 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 13:33:57,443 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 13:34:04,498 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-05 13:34:04,498 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 13:34:04,510 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 13:34:04,511 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 13:34:04,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:34:04 BoogieIcfgContainer [2024-11-05 13:34:04,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 13:34:04,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 13:34:04,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 13:34:04,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 13:34:04,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 01:33:54" (1/3) ... [2024-11-05 13:34:04,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3790d00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:34:04, skipping insertion in model container [2024-11-05 13:34:04,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:33:56" (2/3) ... [2024-11-05 13:34:04,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3790d00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:34:04, skipping insertion in model container [2024-11-05 13:34:04,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:34:04" (3/3) ... [2024-11-05 13:34:04,519 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness_negated.i [2024-11-05 13:34:04,529 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 13:34:04,530 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 13:34:04,575 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 13:34:04,583 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;@402687a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 13:34:04,583 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 13:34:04,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-05 13:34:04,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-05 13:34:04,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:34:04,597 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:34:04,598 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:34:04,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:34:04,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1818819730, now seen corresponding path program 1 times [2024-11-05 13:34:04,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:34:04,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11602640] [2024-11-05 13:34:04,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:34:04,609 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:34:04,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:34:04,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:34:04,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 13:34:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:34:10,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 13:34:10,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:34:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-05 13:34:10,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:34:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-05 13:34:11,271 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:34:11,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11602640] [2024-11-05 13:34:11,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [11602640] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 13:34:11,273 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 13:34:11,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 13:34:11,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209131079] [2024-11-05 13:34:11,275 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 13:34:11,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 13:34:11,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:34:11,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 13:34:11,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 13:34:11,305 INFO L87 Difference]: Start difference. First operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-05 13:34:11,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:34:11,351 INFO L93 Difference]: Finished difference Result 195 states and 256 transitions. [2024-11-05 13:34:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 13:34:11,354 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2024-11-05 13:34:11,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:34:11,361 INFO L225 Difference]: With dead ends: 195 [2024-11-05 13:34:11,361 INFO L226 Difference]: Without dead ends: 96 [2024-11-05 13:34:11,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 13:34:11,367 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 13:34:11,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 13:34:11,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-05 13:34:11,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-05 13:34:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 60 states have internal predecessors, (69), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-05 13:34:11,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 118 transitions. [2024-11-05 13:34:11,410 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 118 transitions. Word has length 60 [2024-11-05 13:34:11,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:34:11,411 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 118 transitions. [2024-11-05 13:34:11,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-05 13:34:11,413 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2024-11-05 13:34:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-05 13:34:11,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:34:11,416 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:34:11,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 13:34:11,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:34:11,618 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:34:11,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:34:11,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1417756758, now seen corresponding path program 1 times [2024-11-05 13:34:11,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:34:11,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243646717] [2024-11-05 13:34:11,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:34:11,619 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:34:11,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:34:11,622 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:34:11,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 13:34:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:34:16,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 13:34:16,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:34:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-05 13:34:17,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:34:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-05 13:34:21,081 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:34:21,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243646717] [2024-11-05 13:34:21,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1243646717] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 13:34:21,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 13:34:21,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-11-05 13:34:21,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753355313] [2024-11-05 13:34:21,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 13:34:21,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 13:34:21,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:34:21,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 13:34:21,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 13:34:21,084 INFO L87 Difference]: Start difference. First operand 96 states and 118 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-05 13:34:22,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:34:22,971 INFO L93 Difference]: Finished difference Result 160 states and 199 transitions. [2024-11-05 13:34:22,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 13:34:22,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 60 [2024-11-05 13:34:22,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:34:22,974 INFO L225 Difference]: With dead ends: 160 [2024-11-05 13:34:22,974 INFO L226 Difference]: Without dead ends: 98 [2024-11-05 13:34:22,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 13:34:22,975 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-05 13:34:22,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 543 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-05 13:34:22,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-05 13:34:22,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-05 13:34:22,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (27), 24 states have call predecessors, (27), 24 states have call successors, (27) [2024-11-05 13:34:22,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 122 transitions. [2024-11-05 13:34:22,986 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 122 transitions. Word has length 60 [2024-11-05 13:34:22,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:34:22,986 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 122 transitions. [2024-11-05 13:34:22,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-05 13:34:22,986 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 122 transitions. [2024-11-05 13:34:22,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-05 13:34:22,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:34:22,988 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:34:23,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 13:34:23,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:34:23,193 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:34:23,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:34:23,194 INFO L85 PathProgramCache]: Analyzing trace with hash -270811530, now seen corresponding path program 1 times [2024-11-05 13:34:23,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:34:23,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [482369424] [2024-11-05 13:34:23,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:34:23,194 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:34:23,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:34:23,196 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:34:23,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 13:34:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:34:28,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 2465 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 13:34:28,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:34:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-05 13:34:30,046 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:34:34,105 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-05 13:34:34,106 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:34:34,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [482369424] [2024-11-05 13:34:34,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [482369424] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 13:34:34,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 13:34:34,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-11-05 13:34:34,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416824871] [2024-11-05 13:34:34,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 13:34:34,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 13:34:34,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:34:34,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 13:34:34,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 13:34:34,108 INFO L87 Difference]: Start difference. First operand 98 states and 122 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-05 13:34:36,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:34:36,032 INFO L93 Difference]: Finished difference Result 153 states and 191 transitions. [2024-11-05 13:34:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 13:34:36,033 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 75 [2024-11-05 13:34:36,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:34:36,035 INFO L225 Difference]: With dead ends: 153 [2024-11-05 13:34:36,035 INFO L226 Difference]: Without dead ends: 98 [2024-11-05 13:34:36,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 13:34:36,036 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-05 13:34:36,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 544 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-05 13:34:36,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-05 13:34:36,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-05 13:34:36,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2024-11-05 13:34:36,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 121 transitions. [2024-11-05 13:34:36,051 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 121 transitions. Word has length 75 [2024-11-05 13:34:36,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:34:36,051 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 121 transitions. [2024-11-05 13:34:36,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-05 13:34:36,051 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2024-11-05 13:34:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-05 13:34:36,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:34:36,053 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2024-11-05 13:34:36,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-05 13:34:36,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:34:36,254 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:34:36,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:34:36,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1643495730, now seen corresponding path program 2 times [2024-11-05 13:34:36,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:34:36,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922312987] [2024-11-05 13:34:36,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:34:36,255 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:34:36,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:34:36,257 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:34:36,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 13:34:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:34:41,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 2565 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 13:34:41,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:34:42,791 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-05 13:34:42,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:34:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-05 13:34:47,546 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:34:47,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922312987] [2024-11-05 13:34:47,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1922312987] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 13:34:47,548 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 13:34:47,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2024-11-05 13:34:47,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008381419] [2024-11-05 13:34:47,548 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 13:34:47,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 13:34:47,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:34:47,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 13:34:47,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-05 13:34:47,550 INFO L87 Difference]: Start difference. First operand 98 states and 121 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-05 13:34:49,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:34:49,231 INFO L93 Difference]: Finished difference Result 106 states and 129 transitions. [2024-11-05 13:34:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 13:34:49,232 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 90 [2024-11-05 13:34:49,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:34:49,234 INFO L225 Difference]: With dead ends: 106 [2024-11-05 13:34:49,234 INFO L226 Difference]: Without dead ends: 104 [2024-11-05 13:34:49,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-05 13:34:49,235 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 6 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-05 13:34:49,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 680 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-05 13:34:49,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-05 13:34:49,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2024-11-05 13:34:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 63 states have (on average 1.1587301587301588) internal successors, (73), 65 states have internal predecessors, (73), 26 states have call successors, (26), 12 states have call predecessors, (26), 13 states have return successors, (27), 25 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-05 13:34:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 126 transitions. [2024-11-05 13:34:49,247 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 126 transitions. Word has length 90 [2024-11-05 13:34:49,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:34:49,247 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 126 transitions. [2024-11-05 13:34:49,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-05 13:34:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 126 transitions. [2024-11-05 13:34:49,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-05 13:34:49,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:34:49,254 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:34:49,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 13:34:49,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:34:49,455 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:34:49,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:34:49,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1423335052, now seen corresponding path program 1 times [2024-11-05 13:34:49,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:34:49,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140943915] [2024-11-05 13:34:49,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:34:49,456 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:34:49,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:34:49,458 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:34:49,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 13:34:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:34:54,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 2665 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-05 13:34:54,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:35:05,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-05 13:35:05,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7