/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_pop_front_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 13:35:57,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 13:35:57,983 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 13:35:57,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 13:35:57,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 13:35:58,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 13:35:58,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 13:35:58,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 13:35:58,013 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 13:35:58,013 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 13:35:58,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 13:35:58,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 13:35:58,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 13:35:58,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 13:35:58,015 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 13:35:58,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 13:35:58,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 13:35:58,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 13:35:58,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 13:35:58,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 13:35:58,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 13:35:58,020 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 13:35:58,020 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 13:35:58,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 13:35:58,020 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 13:35:58,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 13:35:58,020 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 13:35:58,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 13:35:58,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 13:35:58,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 13:35:58,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 13:35:58,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 13:35:58,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 13:35:58,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 13:35:58,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 13:35:58,022 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 13:35:58,022 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 13:35:58,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 13:35:58,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 13:35:58,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 13:35:58,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 13:35:58,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 13:35:58,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 13:35:58,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 13:35:58,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 13:35:58,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 13:35:58,256 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 13:35:58,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_pop_front_harness.i [2024-11-05 13:35:59,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 13:35:59,896 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 13:35:59,896 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_pop_front_harness.i [2024-11-05 13:35:59,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98a7963b0/ec1ededc91db4255b166c045aef91b17/FLAG32f046322 [2024-11-05 13:36:00,078 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98a7963b0/ec1ededc91db4255b166c045aef91b17 [2024-11-05 13:36:00,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 13:36:00,081 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 13:36:00,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 13:36:00,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 13:36:00,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 13:36:00,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:36:00" (1/1) ... [2024-11-05 13:36:00,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e455ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:00, skipping insertion in model container [2024-11-05 13:36:00,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:36:00" (1/1) ... [2024-11-05 13:36:00,166 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 13:36:00,431 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_pop_front_harness.i[4498,4511] [2024-11-05 13:36:00,440 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_pop_front_harness.i[4558,4571] [2024-11-05 13:36:01,230 WARN 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 13:36:01,362 WARN 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 13:36:01,363 WARN 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 13:36:01,363 WARN 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 13:36:01,369 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,373 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,379 WARN 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 13:36:01,380 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 13:36:01,382 WARN 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 13:36:01,382 WARN 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 13:36:01,390 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,390 WARN 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 13:36:01,391 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,391 WARN 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 13:36:01,392 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,393 WARN 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 13:36:01,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,416 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,420 WARN 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 13:36:01,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,420 WARN 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 13:36:01,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,421 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,663 WARN 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 13:36:01,663 WARN 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 13:36:01,664 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,664 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,746 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,756 WARN 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 13:36:01,757 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,757 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,757 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,776 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,777 WARN 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 13:36:01,777 WARN 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 13:36:01,777 WARN 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 13:36:01,777 WARN 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 13:36:01,777 WARN 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 13:36:01,778 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,778 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,778 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,835 WARN 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 13:36:01,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:36:01,889 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 13:36:01,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 13:36:01,925 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_pop_front_harness.i[4498,4511] [2024-11-05 13:36:01,926 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_pop_front_harness.i[4558,4571] [2024-11-05 13:36:01,941 WARN 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 13:36:01,959 WARN 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 13:36:01,959 WARN 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 13:36:01,959 WARN 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 13:36:01,963 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,963 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,964 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:36:01,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,966 WARN 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 13:36:01,966 WARN 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 13:36:01,967 WARN 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 13:36:01,967 WARN 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 13:36:01,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,970 WARN 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 13:36:01,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,971 WARN 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 13:36:01,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,972 WARN 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 13:36:01,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,972 WARN 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 13:36:01,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,973 WARN 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 13:36:01,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,973 WARN 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 13:36:01,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:01,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,003 WARN 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 13:36:02,003 WARN 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 13:36:02,004 WARN 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 13:36:02,004 WARN 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 13:36:02,024 WARN 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 13:36:02,029 WARN 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 13:36:02,029 WARN 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 13:36:02,030 WARN 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 13:36:02,030 WARN 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 13:36:02,031 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,045 WARN 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 13:36:02,046 WARN 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 13:36:02,046 WARN 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 13:36:02,046 WARN 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 13:36:02,047 WARN 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 13:36:02,047 WARN 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 13:36:02,047 WARN 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 13:36:02,047 WARN 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 13:36:02,048 WARN 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 13:36:02,048 WARN 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 13:36:02,048 WARN 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 13:36:02,048 WARN 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 13:36:02,049 WARN 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 13:36:02,049 WARN 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 13:36:02,063 WARN 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 13:36:02,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:36:02,078 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 13:36:02,092 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_pop_front_harness.i[4498,4511] [2024-11-05 13:36:02,093 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_pop_front_harness.i[4558,4571] [2024-11-05 13:36:02,150 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,150 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,150 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,151 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,151 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,157 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,158 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,158 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,159 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,161 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,162 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,162 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,163 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,271 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:36:02,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7765-7776] [2024-11-05 13:36:02,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:36:02,453 INFO L204 MainTranslator]: Completed translation [2024-11-05 13:36:02,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02 WrapperNode [2024-11-05 13:36:02,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 13:36:02,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 13:36:02,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 13:36:02,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 13:36:02,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (1/1) ... [2024-11-05 13:36:02,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (1/1) ... [2024-11-05 13:36:02,571 INFO L138 Inliner]: procedures = 700, calls = 1679, calls flagged for inlining = 51, calls inlined = 10, statements flattened = 684 [2024-11-05 13:36:02,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 13:36:02,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 13:36:02,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 13:36:02,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 13:36:02,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (1/1) ... [2024-11-05 13:36:02,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (1/1) ... [2024-11-05 13:36:02,604 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (1/1) ... [2024-11-05 13:36:02,676 INFO L175 MemorySlicer]: Split 323 memory accesses to 6 slices as follows [238, 2, 3, 63, 11, 6]. 74 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 1, 10, 5, 0]. The 240 writes are split as follows [232, 0, 1, 5, 0, 2]. [2024-11-05 13:36:02,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (1/1) ... [2024-11-05 13:36:02,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (1/1) ... [2024-11-05 13:36:02,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (1/1) ... [2024-11-05 13:36:02,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (1/1) ... [2024-11-05 13:36:02,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (1/1) ... [2024-11-05 13:36:02,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (1/1) ... [2024-11-05 13:36:02,757 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 13:36:02,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 13:36:02,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 13:36:02,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 13:36:02,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (1/1) ... [2024-11-05 13:36:02,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 13:36:02,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 13:36:02,787 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 13:36:02,790 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 13:36:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2024-11-05 13:36:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2024-11-05 13:36:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 13:36:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-05 13:36:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-05 13:36:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-05 13:36:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-05 13:36:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 13:36:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 13:36:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 13:36:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 13:36:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 13:36:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 13:36:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 13:36:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 13:36:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 13:36:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 13:36:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 13:36:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 13:36:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 13:36:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 13:36:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 13:36:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 13:36:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 13:36:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 13:36:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 13:36:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 13:36:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 13:36:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 13:36:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 13:36:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 13:36:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 13:36:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 13:36:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 13:36:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 13:36:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 13:36:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 13:36:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 13:36:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 13:36:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 13:36:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 13:36:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 13:36:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 13:36:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 13:36:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 13:36:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 13:36:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 13:36:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 13:36:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-05 13:36:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-05 13:36:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 13:36:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-05 13:36:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 13:36:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 13:36:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 13:36:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 13:36:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 13:36:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 13:36:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 13:36:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 13:36:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 13:36:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 13:36:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 13:36:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 13:36:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 13:36:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 13:36:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 13:36:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 13:36:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 13:36:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 13:36:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-05 13:36:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-05 13:36:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2024-11-05 13:36:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2024-11-05 13:36:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 13:36:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 13:36:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 13:36:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 13:36:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 13:36:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 13:36:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_front [2024-11-05 13:36:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_front [2024-11-05 13:36:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-05 13:36:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-05 13:36:03,114 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 13:36:03,116 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 13:36:11,264 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-05 13:36:11,265 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 13:36:11,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 13:36:11,286 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 13:36:11,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:36:11 BoogieIcfgContainer [2024-11-05 13:36:11,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 13:36:11,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 13:36:11,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 13:36:11,293 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 13:36:11,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 01:36:00" (1/3) ... [2024-11-05 13:36:11,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7e955a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:36:11, skipping insertion in model container [2024-11-05 13:36:11,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:36:02" (2/3) ... [2024-11-05 13:36:11,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7e955a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:36:11, skipping insertion in model container [2024-11-05 13:36:11,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:36:11" (3/3) ... [2024-11-05 13:36:11,296 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_pop_front_harness.i [2024-11-05 13:36:11,312 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 13:36:11,313 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 13:36:11,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 13:36:11,391 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;@6f741a3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 13:36:11,393 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 13:36:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 109 states have (on average 1.201834862385321) internal successors, (131), 110 states have internal predecessors, (131), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-05 13:36:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-05 13:36:11,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:36:11,413 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:36:11,414 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:36:11,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:36:11,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1083472889, now seen corresponding path program 1 times [2024-11-05 13:36:11,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:36:11,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805129693] [2024-11-05 13:36:11,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:36:11,428 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:36:11,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:11,434 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 13:36:11,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 13:36:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:36:17,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 2434 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 13:36:17,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:36:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-05 13:36:17,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:36:19,422 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-05 13:36:19,423 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:36:19,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805129693] [2024-11-05 13:36:19,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1805129693] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 13:36:19,423 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 13:36:19,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 13:36:19,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6615139] [2024-11-05 13:36:19,425 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 13:36:19,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 13:36:19,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:36:19,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 13:36:19,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 13:36:19,450 INFO L87 Difference]: Start difference. First operand has 184 states, 109 states have (on average 1.201834862385321) internal successors, (131), 110 states have internal predecessors, (131), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 13:36:19,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:36:19,500 INFO L93 Difference]: Finished difference Result 361 states and 517 transitions. [2024-11-05 13:36:19,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 13:36:19,504 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 84 [2024-11-05 13:36:19,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:36:19,515 INFO L225 Difference]: With dead ends: 361 [2024-11-05 13:36:19,516 INFO L226 Difference]: Without dead ends: 179 [2024-11-05 13:36:19,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 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 13:36:19,526 INFO L432 NwaCegarLoop]: 243 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, 243 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 13:36:19,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 13:36:19,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-05 13:36:19,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-05 13:36:19,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 105 states have (on average 1.1904761904761905) internal successors, (125), 106 states have internal predecessors, (125), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-05 13:36:19,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 238 transitions. [2024-11-05 13:36:19,572 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 238 transitions. Word has length 84 [2024-11-05 13:36:19,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:36:19,573 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 238 transitions. [2024-11-05 13:36:19,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 13:36:19,573 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 238 transitions. [2024-11-05 13:36:19,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-05 13:36:19,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:36:19,576 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:36:19,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 13:36:19,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:19,780 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:36:19,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:36:19,781 INFO L85 PathProgramCache]: Analyzing trace with hash -579875467, now seen corresponding path program 1 times [2024-11-05 13:36:19,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:36:19,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543092171] [2024-11-05 13:36:19,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:36:19,781 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:36:19,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:19,782 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 13:36:19,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 13:36:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:36:25,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 2434 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 13:36:25,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:36:26,931 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-05 13:36:26,932 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:36:31,320 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-05 13:36:31,320 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:36:31,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543092171] [2024-11-05 13:36:31,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [543092171] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 13:36:31,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 13:36:31,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-11-05 13:36:31,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370441616] [2024-11-05 13:36:31,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 13:36:31,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 13:36:31,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:36:31,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 13:36:31,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 13:36:31,323 INFO L87 Difference]: Start difference. First operand 179 states and 238 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-05 13:36:35,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:36:35,114 INFO L93 Difference]: Finished difference Result 323 states and 444 transitions. [2024-11-05 13:36:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 13:36:35,114 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 84 [2024-11-05 13:36:35,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:36:35,119 INFO L225 Difference]: With dead ends: 323 [2024-11-05 13:36:35,120 INFO L226 Difference]: Without dead ends: 181 [2024-11-05 13:36:35,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 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 13:36:35,122 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 0 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-05 13:36:35,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1108 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-05 13:36:35,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-05 13:36:35,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-05 13:36:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 108 states have internal predecessors, (126), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (67), 56 states have call predecessors, (67), 56 states have call successors, (67) [2024-11-05 13:36:35,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 250 transitions. [2024-11-05 13:36:35,145 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 250 transitions. Word has length 84 [2024-11-05 13:36:35,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:36:35,146 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 250 transitions. [2024-11-05 13:36:35,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-05 13:36:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 250 transitions. [2024-11-05 13:36:35,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-05 13:36:35,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:36:35,150 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 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 13:36:35,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 13:36:35,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:35,355 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:36:35,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:36:35,356 INFO L85 PathProgramCache]: Analyzing trace with hash -647718762, now seen corresponding path program 1 times [2024-11-05 13:36:35,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:36:35,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674058180] [2024-11-05 13:36:35,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:36:35,356 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:36:35,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:35,358 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 13:36:35,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 13:36:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:36:40,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 2534 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 13:36:40,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:36:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-05 13:36:42,252 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:36:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-05 13:36:47,330 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:36:47,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674058180] [2024-11-05 13:36:47,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1674058180] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 13:36:47,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 13:36:47,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-11-05 13:36:47,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635371225] [2024-11-05 13:36:47,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 13:36:47,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 13:36:47,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:36:47,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 13:36:47,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 13:36:47,331 INFO L87 Difference]: Start difference. First operand 181 states and 250 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-05 13:36:50,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:36:50,839 INFO L93 Difference]: Finished difference Result 315 states and 440 transitions. [2024-11-05 13:36:50,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 13:36:50,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 99 [2024-11-05 13:36:50,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:36:50,844 INFO L225 Difference]: With dead ends: 315 [2024-11-05 13:36:50,844 INFO L226 Difference]: Without dead ends: 181 [2024-11-05 13:36:50,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 191 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 13:36:50,850 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 0 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-05 13:36:50,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1109 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-05 13:36:50,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-05 13:36:50,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-05 13:36:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 108 states have internal predecessors, (126), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (66), 56 states have call predecessors, (66), 56 states have call successors, (66) [2024-11-05 13:36:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 249 transitions. [2024-11-05 13:36:50,871 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 249 transitions. Word has length 99 [2024-11-05 13:36:50,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:36:50,872 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 249 transitions. [2024-11-05 13:36:50,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-05 13:36:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2024-11-05 13:36:50,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-05 13:36:50,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:36:50,875 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 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] [2024-11-05 13:36:50,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-05 13:36:51,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:51,077 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:36:51,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:36:51,078 INFO L85 PathProgramCache]: Analyzing trace with hash 2067721187, now seen corresponding path program 2 times [2024-11-05 13:36:51,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:36:51,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881967068] [2024-11-05 13:36:51,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:36:51,078 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:36:51,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:51,079 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 13:36:51,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 13:36:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:36:56,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 2634 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 13:36:56,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:36:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-05 13:36:58,066 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:37:04,212 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-05 13:37:04,213 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:37:04,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881967068] [2024-11-05 13:37:04,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1881967068] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 13:37:04,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 13:37:04,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-11-05 13:37:04,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416288994] [2024-11-05 13:37:04,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 13:37:04,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 13:37:04,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:37:04,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 13:37:04,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 13:37:04,215 INFO L87 Difference]: Start difference. First operand 181 states and 249 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-05 13:37:07,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:37:07,481 INFO L93 Difference]: Finished difference Result 313 states and 439 transitions. [2024-11-05 13:37:07,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 13:37:07,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 114 [2024-11-05 13:37:07,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:37:07,485 INFO L225 Difference]: With dead ends: 313 [2024-11-05 13:37:07,485 INFO L226 Difference]: Without dead ends: 181 [2024-11-05 13:37:07,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 13:37:07,487 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 0 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-05 13:37:07,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1109 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-05 13:37:07,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-05 13:37:07,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-05 13:37:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 108 states have internal predecessors, (126), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (65), 56 states have call predecessors, (65), 56 states have call successors, (65) [2024-11-05 13:37:07,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 248 transitions. [2024-11-05 13:37:07,500 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 248 transitions. Word has length 114 [2024-11-05 13:37:07,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:37:07,501 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 248 transitions. [2024-11-05 13:37:07,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-05 13:37:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 248 transitions. [2024-11-05 13:37:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-05 13:37:07,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:37:07,502 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:37:07,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 13:37:07,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:37:07,703 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:37:07,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:37:07,704 INFO L85 PathProgramCache]: Analyzing trace with hash 918505500, now seen corresponding path program 3 times [2024-11-05 13:37:07,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:37:07,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052700960] [2024-11-05 13:37:07,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:37:07,704 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:37:07,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:37:07,706 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 13:37:07,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 13:37:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:37:13,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 2734 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-05 13:37:13,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:37:18,057 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-05 13:37:18,057 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:37:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-05 13:37:27,057 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:37:27,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052700960] [2024-11-05 13:37:27,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2052700960] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 13:37:27,057 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 13:37:27,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 10 [2024-11-05 13:37:27,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462625444] [2024-11-05 13:37:27,058 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 13:37:27,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 13:37:27,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:37:27,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 13:37:27,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-05 13:37:27,059 INFO L87 Difference]: Start difference. First operand 181 states and 248 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 8 states have internal predecessors, (47), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-05 13:37:38,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:37:38,230 INFO L93 Difference]: Finished difference Result 324 states and 451 transitions. [2024-11-05 13:37:38,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-05 13:37:38,230 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 8 states have internal predecessors, (47), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 129 [2024-11-05 13:37:38,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:37:38,233 INFO L225 Difference]: With dead ends: 324 [2024-11-05 13:37:38,233 INFO L226 Difference]: Without dead ends: 193 [2024-11-05 13:37:38,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-05 13:37:38,235 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 85 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-05 13:37:38,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 1743 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2024-11-05 13:37:38,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-05 13:37:38,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2024-11-05 13:37:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 112 states have (on average 1.1875) internal successors, (133), 114 states have internal predecessors, (133), 62 states have call successors, (62), 17 states have call predecessors, (62), 18 states have return successors, (67), 61 states have call predecessors, (67), 61 states have call successors, (67) [2024-11-05 13:37:38,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 262 transitions. [2024-11-05 13:37:38,259 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 262 transitions. Word has length 129 [2024-11-05 13:37:38,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:37:38,260 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 262 transitions. [2024-11-05 13:37:38,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 8 states have internal predecessors, (47), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-05 13:37:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 262 transitions. [2024-11-05 13:37:38,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-05 13:37:38,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:37:38,261 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:37:38,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Forceful destruction successful, exit code 0 [2024-11-05 13:37:38,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:37:38,463 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:37:38,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:37:38,464 INFO L85 PathProgramCache]: Analyzing trace with hash 639301335, now seen corresponding path program 1 times [2024-11-05 13:37:38,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:37:38,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395905452] [2024-11-05 13:37:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:37:38,464 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:37:38,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:37:38,466 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:37:38,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process