/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 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:22:10,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:22:10,962 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 20:22:10,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:22:10,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:22:10,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:22:10,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:22:10,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:22:10,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:22:10,984 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:22:10,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:22:10,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:22:10,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:22:10,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:22:10,986 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:22:10,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:22:10,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:22:10,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:22:10,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:22:10,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:22:10,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:22:10,988 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:22:10,989 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:22:10,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:22:10,989 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:22:10,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:22:10,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:22:10,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:22:10,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:22:10,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:22:10,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:22:10,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:22:10,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:22:10,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:22:10,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:22:10,992 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:22:10,992 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:22:10,992 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:22:10,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:22:10,993 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:22:10,993 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:22:10,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:22:11,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:22:11,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:22:11,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:22:11,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:22:11,200 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:22:11,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i [2024-11-04 20:22:12,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:22:13,019 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:22:13,019 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i [2024-11-04 20:22:13,056 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5fda5da7/e8985fc6d23b4f9e9443c54264b75538/FLAGb505678c3 [2024-11-04 20:22:13,231 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5fda5da7/e8985fc6d23b4f9e9443c54264b75538 [2024-11-04 20:22:13,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:22:13,235 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:22:13,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:22:13,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:22:13,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:22:13,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:22:13" (1/1) ... [2024-11-04 20:22:13,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd5f8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:13, skipping insertion in model container [2024-11-04 20:22:13,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:22:13" (1/1) ... [2024-11-04 20:22:13,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:22:13,566 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2024-11-04 20:22:13,571 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2024-11-04 20:22:14,014 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,114 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,115 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,121 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,122 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,122 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,122 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,123 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,123 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,124 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,125 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,126 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,127 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,127 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,135 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,135 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,135 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,135 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,136 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,137 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,137 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,137 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,138 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,139 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,141 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,141 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,141 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,415 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,416 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,416 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,417 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,492 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,498 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,499 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,499 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,499 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,500 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,502 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,509 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,510 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,510 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,510 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,510 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,511 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,511 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,511 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,512 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,512 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,512 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,512 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,512 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,513 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:22:14,598 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:22:14,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:22:14,639 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2024-11-04 20:22:14,640 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2024-11-04 20:22:14,666 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,689 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,690 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,690 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,693 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,694 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,694 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,694 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,694 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,695 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,696 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,696 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,697 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,699 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,700 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,700 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,700 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,700 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,701 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,701 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,701 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,702 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,702 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,702 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,702 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,702 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,703 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,734 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,735 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,735 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,735 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,753 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,757 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,758 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,758 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,758 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,759 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,759 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,759 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,760 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,763 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,765 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,765 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,765 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,765 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,768 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:22:14,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:22:14,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:22:14,807 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2024-11-04 20:22:14,808 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2024-11-04 20:22:14,864 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,865 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,865 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,865 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,866 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,871 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:14,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:15,003 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:15,003 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:15,004 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:15,008 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:22:15,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2024-11-04 20:22:15,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:22:15,171 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:22:15,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15 WrapperNode [2024-11-04 20:22:15,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:22:15,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:22:15,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:22:15,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:22:15,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (1/1) ... [2024-11-04 20:22:15,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (1/1) ... [2024-11-04 20:22:15,306 INFO L138 Inliner]: procedures = 700, calls = 1678, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 714 [2024-11-04 20:22:15,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:22:15,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:22:15,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:22:15,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:22:15,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (1/1) ... [2024-11-04 20:22:15,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (1/1) ... [2024-11-04 20:22:15,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (1/1) ... [2024-11-04 20:22:15,442 INFO L175 MemorySlicer]: Split 313 memory accesses to 5 slices as follows [238, 2, 57, 7, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 10, 5, 1]. The 241 writes are split as follows [232, 0, 7, 1, 1]. [2024-11-04 20:22:15,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (1/1) ... [2024-11-04 20:22:15,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (1/1) ... [2024-11-04 20:22:15,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (1/1) ... [2024-11-04 20:22:15,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (1/1) ... [2024-11-04 20:22:15,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (1/1) ... [2024-11-04 20:22:15,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (1/1) ... [2024-11-04 20:22:15,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:22:15,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:22:15,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:22:15,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:22:15,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (1/1) ... [2024-11-04 20:22:15,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:22:15,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:22:15,594 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) [2024-11-04 20:22:15,596 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 [2024-11-04 20:22:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:22:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-04 20:22:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-04 20:22:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-04 20:22:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-04 20:22:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:22:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:22:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:22:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:22:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:22:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:22:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 20:22:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 20:22:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 20:22:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 20:22:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 20:22:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 20:22:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 20:22:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 20:22:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 20:22:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 20:22:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 20:22:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-04 20:22:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-04 20:22:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 20:22:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 20:22:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:22:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:22:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:22:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:22:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:22:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:22:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:22:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 20:22:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 20:22:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-04 20:22:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-04 20:22:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:22:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:22:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:22:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:22:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 20:22:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 20:22:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 20:22:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 20:22:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 20:22:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 20:22:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 20:22:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 20:22:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 20:22:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 20:22:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 20:22:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 20:22:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-04 20:22:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-04 20:22:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-04 20:22:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-04 20:22:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:22:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:22:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-04 20:22:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-04 20:22:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-04 20:22:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-04 20:22:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:22:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 20:22:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 20:22:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 20:22:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 20:22:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 20:22:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 20:22:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 20:22:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 20:22:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 20:22:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 20:22:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 20:22:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 20:22:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 20:22:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 20:22:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 20:22:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:22:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:22:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:22:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:22:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 20:22:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 20:22:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 20:22:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 20:22:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 20:22:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 20:22:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 20:22:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 20:22:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 20:22:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 20:22:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-04 20:22:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-04 20:22:15,960 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:22:15,962 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:22:25,055 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-04 20:22:25,056 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:22:25,068 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:22:25,068 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-04 20:22:25,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:22:25 BoogieIcfgContainer [2024-11-04 20:22:25,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:22:25,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:22:25,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:22:25,072 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:22:25,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:22:13" (1/3) ... [2024-11-04 20:22:25,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fa8ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:22:25, skipping insertion in model container [2024-11-04 20:22:25,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:22:15" (2/3) ... [2024-11-04 20:22:25,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fa8ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:22:25, skipping insertion in model container [2024-11-04 20:22:25,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:22:25" (3/3) ... [2024-11-04 20:22:25,074 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness.i [2024-11-04 20:22:25,085 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:22:25,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:22:25,143 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:22:25,149 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;@23a8b292, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:22:25,150 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:22:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 208 states, 118 states have (on average 1.1864406779661016) internal successors, (140), 119 states have internal predecessors, (140), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-04 20:22:25,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-04 20:22:25,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:22:25,170 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:22:25,171 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:22:25,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:22:25,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1662380414, now seen corresponding path program 1 times [2024-11-04 20:22:25,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:22:25,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469935227] [2024-11-04 20:22:25,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:22:25,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:22:25,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:22:25,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:22:25,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 20:22:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:22:32,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:22:32,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:22:32,138 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-11-04 20:22:32,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:22:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-04 20:22:37,284 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:22:37,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469935227] [2024-11-04 20:22:37,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [469935227] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:22:37,285 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:22:37,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:22:37,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731057970] [2024-11-04 20:22:37,287 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:22:37,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:22:37,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:22:37,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:22:37,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:22:37,310 INFO L87 Difference]: Start difference. First operand has 208 states, 118 states have (on average 1.1864406779661016) internal successors, (140), 119 states have internal predecessors, (140), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-04 20:22:37,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:22:37,348 INFO L93 Difference]: Finished difference Result 412 states and 601 transitions. [2024-11-04 20:22:37,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:22:37,350 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 144 [2024-11-04 20:22:37,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:22:37,357 INFO L225 Difference]: With dead ends: 412 [2024-11-04 20:22:37,357 INFO L226 Difference]: Without dead ends: 203 [2024-11-04 20:22:37,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:22:37,364 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-04 20:22:37,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:22:37,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-04 20:22:37,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-04 20:22:37,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 114 states have (on average 1.1754385964912282) internal successors, (134), 115 states have internal predecessors, (134), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-04 20:22:37,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 275 transitions. [2024-11-04 20:22:37,420 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 275 transitions. Word has length 144 [2024-11-04 20:22:37,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:22:37,421 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 275 transitions. [2024-11-04 20:22:37,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-04 20:22:37,422 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 275 transitions. [2024-11-04 20:22:37,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-04 20:22:37,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:22:37,425 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:22:37,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-04 20:22:37,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:22:37,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:22:37,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:22:37,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1772024658, now seen corresponding path program 1 times [2024-11-04 20:22:37,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:22:37,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424517366] [2024-11-04 20:22:37,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:22:37,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:22:37,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:22:37,629 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:22:37,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 20:22:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:22:43,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 20:22:43,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:22:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-04 20:22:44,132 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:22:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-04 20:22:49,353 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:22:49,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424517366] [2024-11-04 20:22:49,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1424517366] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 20:22:49,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 20:22:49,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-11-04 20:22:49,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887940779] [2024-11-04 20:22:49,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 20:22:49,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 20:22:49,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:22:49,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 20:22:49,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 20:22:49,361 INFO L87 Difference]: Start difference. First operand 203 states and 275 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-04 20:22:49,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:22:49,627 INFO L93 Difference]: Finished difference Result 401 states and 545 transitions. [2024-11-04 20:22:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 20:22:49,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2024-11-04 20:22:49,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:22:49,638 INFO L225 Difference]: With dead ends: 401 [2024-11-04 20:22:49,638 INFO L226 Difference]: Without dead ends: 204 [2024-11-04 20:22:49,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 20:22:49,641 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-04 20:22:49,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 544 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-04 20:22:49,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-04 20:22:49,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-04 20:22:49,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 115 states have (on average 1.173913043478261) internal successors, (135), 116 states have internal predecessors, (135), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-04 20:22:49,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2024-11-04 20:22:49,680 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 144 [2024-11-04 20:22:49,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:22:49,680 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2024-11-04 20:22:49,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-04 20:22:49,681 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2024-11-04 20:22:49,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-04 20:22:49,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:22:49,690 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:22:49,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-04 20:22:49,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:22:49,890 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:22:49,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:22:49,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1876282802, now seen corresponding path program 1 times [2024-11-04 20:22:49,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:22:49,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [963507198] [2024-11-04 20:22:49,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:22:49,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:22:49,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:22:49,896 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:22:49,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 20:22:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:22:56,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 2587 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 20:22:56,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:22:58,125 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-04 20:22:58,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:23:05,578 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-11-04 20:23:05,578 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:23:05,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [963507198] [2024-11-04 20:23:05,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [963507198] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 20:23:05,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 20:23:05,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-11-04 20:23:05,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960298965] [2024-11-04 20:23:05,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 20:23:05,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-04 20:23:05,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:23:05,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-04 20:23:05,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:23:05,580 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-04 20:23:10,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:23:10,953 INFO L93 Difference]: Finished difference Result 403 states and 556 transitions. [2024-11-04 20:23:10,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 20:23:10,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 144 [2024-11-04 20:23:10,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:23:10,960 INFO L225 Difference]: With dead ends: 403 [2024-11-04 20:23:10,961 INFO L226 Difference]: Without dead ends: 206 [2024-11-04 20:23:10,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:23:10,963 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 53 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-04 20:23:10,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 890 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-04 20:23:10,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-04 20:23:10,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-04 20:23:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 116 states have (on average 1.1724137931034482) internal successors, (136), 118 states have internal predecessors, (136), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (82), 70 states have call predecessors, (82), 70 states have call successors, (82) [2024-11-04 20:23:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 289 transitions. [2024-11-04 20:23:10,996 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 289 transitions. Word has length 144 [2024-11-04 20:23:10,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:23:10,996 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 289 transitions. [2024-11-04 20:23:10,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-04 20:23:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 289 transitions. [2024-11-04 20:23:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-04 20:23:11,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:23:11,002 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:23:11,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-04 20:23:11,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:23:11,203 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:23:11,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:23:11,203 INFO L85 PathProgramCache]: Analyzing trace with hash -723123943, now seen corresponding path program 1 times [2024-11-04 20:23:11,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:23:11,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106357503] [2024-11-04 20:23:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:23:11,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:23:11,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:23:11,207 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:23:11,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-04 20:23:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:23:18,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 2687 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 20:23:18,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:23:20,727 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-04 20:23:20,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:23:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-04 20:23:30,238 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:23:30,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106357503] [2024-11-04 20:23:30,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2106357503] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 20:23:30,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 20:23:30,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-11-04 20:23:30,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50019547] [2024-11-04 20:23:30,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 20:23:30,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-04 20:23:30,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:23:30,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-04 20:23:30,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:23:30,246 INFO L87 Difference]: Start difference. First operand 206 states and 289 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-04 20:23:36,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:23:36,316 INFO L93 Difference]: Finished difference Result 378 states and 528 transitions. [2024-11-04 20:23:36,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 20:23:36,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 159 [2024-11-04 20:23:36,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:23:36,321 INFO L225 Difference]: With dead ends: 378 [2024-11-04 20:23:36,321 INFO L226 Difference]: Without dead ends: 206 [2024-11-04 20:23:36,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:23:36,323 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 51 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-04 20:23:36,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 899 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-11-04 20:23:36,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-04 20:23:36,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-04 20:23:36,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 116 states have (on average 1.1724137931034482) internal successors, (136), 118 states have internal predecessors, (136), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2024-11-04 20:23:36,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 287 transitions. [2024-11-04 20:23:36,346 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 287 transitions. Word has length 159 [2024-11-04 20:23:36,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:23:36,347 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 287 transitions. [2024-11-04 20:23:36,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-04 20:23:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 287 transitions. [2024-11-04 20:23:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-04 20:23:36,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:23:36,349 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:23:36,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-04 20:23:36,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:23:36,551 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:23:36,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:23:36,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1414395720, now seen corresponding path program 2 times [2024-11-04 20:23:36,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:23:36,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118217618] [2024-11-04 20:23:36,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:23:36,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:23:36,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:23:36,559 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:23:36,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-04 20:23:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:23:43,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 2787 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 20:23:43,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:23:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-04 20:23:47,159 INFO L311 TraceCheckSpWp]: Computing backward predicates...