/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_init_dynamic_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 13:35:48,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 13:35:48,309 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 13:35:48,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 13:35:48,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 13:35:48,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 13:35:48,343 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 13:35:48,343 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 13:35:48,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 13:35:48,350 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 13:35:48,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 13:35:48,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 13:35:48,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 13:35:48,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 13:35:48,352 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 13:35:48,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 13:35:48,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 13:35:48,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 13:35:48,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 13:35:48,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 13:35:48,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 13:35:48,357 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 13:35:48,357 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 13:35:48,358 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 13:35:48,358 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 13:35:48,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 13:35:48,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 13:35:48,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 13:35:48,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 13:35:48,359 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 13:35:48,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 13:35:48,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 13:35:48,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 13:35:48,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 13:35:48,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 13:35:48,361 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 13:35:48,361 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 13:35:48,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 13:35:48,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 13:35:48,362 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 13:35:48,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 13:35:48,363 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 13:35:48,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 13:35:48,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 13:35:48,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 13:35:48,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 13:35:48,625 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 13:35:48,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_init_dynamic_harness.i [2024-11-05 13:35:50,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 13:35:50,539 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 13:35:50,539 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_dynamic_harness.i [2024-11-05 13:35:50,581 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f4b78af/450382c4fa6e416aba6e8212bacaee7e/FLAG796e163a6 [2024-11-05 13:35:50,605 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f4b78af/450382c4fa6e416aba6e8212bacaee7e [2024-11-05 13:35:50,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 13:35:50,612 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 13:35:50,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 13:35:50,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 13:35:50,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 13:35:50,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:35:50" (1/1) ... [2024-11-05 13:35:50,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c3cd5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:50, skipping insertion in model container [2024-11-05 13:35:50,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:35:50" (1/1) ... [2024-11-05 13:35:50,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 13:35:51,095 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_init_dynamic_harness.i[4501,4514] [2024-11-05 13:35:51,105 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_init_dynamic_harness.i[4561,4574] [2024-11-05 13:35:52,374 WARN 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 13:35:52,634 WARN 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 13:35:52,634 WARN 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 13:35:52,635 WARN 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 13:35:52,646 WARN 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 13:35:52,647 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:52,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:52,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:52,649 WARN 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 13:35:52,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:52,650 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:52,653 WARN 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 13:35:52,654 WARN 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 13:35:52,656 WARN 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 13:35:52,657 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:52,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:52,666 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:52,667 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:52,667 WARN 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 13:35:52,668 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:52,669 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:52,669 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:52,669 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:52,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:52,671 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:52,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:52,672 WARN 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 13:35:52,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:52,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,615 WARN 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 13:35:53,616 WARN 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 13:35:53,617 WARN 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 13:35:53,617 WARN 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 13:35:53,776 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,789 WARN 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 13:35:53,789 WARN 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 13:35:53,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:53,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:53,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:53,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:53,791 WARN 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 13:35:53,791 WARN 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 13:35:53,792 WARN 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 13:35:53,792 WARN 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 13:35:53,792 WARN 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 13:35:53,792 WARN 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 13:35:53,792 WARN 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 13:35:53,793 WARN 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 13:35:53,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:35:53,896 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 13:35:53,927 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 13:35:53,932 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_init_dynamic_harness.i[4501,4514] [2024-11-05 13:35:53,932 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_init_dynamic_harness.i[4561,4574] [2024-11-05 13:35:53,953 WARN 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 13:35:53,978 WARN 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 13:35:53,979 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:53,979 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:53,984 WARN 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 13:35:53,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,986 WARN 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 13:35:53,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,988 WARN 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 13:35:53,989 WARN 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 13:35:53,990 WARN 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 13:35:53,990 WARN 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 13:35:53,994 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,994 WARN 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 13:35:53,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,995 WARN 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 13:35:53,996 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,996 WARN 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 13:35:53,996 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,997 WARN 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 13:35:53,998 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,998 WARN 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 13:35:53,998 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,998 WARN 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 13:35:53,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:53,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,070 WARN 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 13:35:54,070 WARN 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 13:35:54,071 WARN 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 13:35:54,071 WARN 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 13:35:54,098 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,115 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:54,115 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:54,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:54,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:54,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:54,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:54,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:54,117 WARN 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 13:35:54,117 WARN 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 13:35:54,117 WARN 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 13:35:54,118 WARN 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 13:35:54,118 WARN 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 13:35:54,118 WARN 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 13:35:54,123 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:35:54,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:35:54,176 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 13:35:54,195 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_init_dynamic_harness.i[4501,4514] [2024-11-05 13:35:54,195 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_init_dynamic_harness.i[4561,4574] [2024-11-05 13:35:54,270 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,270 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,271 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,271 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,271 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,279 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,280 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,281 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,282 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,283 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,283 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,285 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:35:54,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2024-11-05 13:35:54,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:35:54,655 INFO L204 MainTranslator]: Completed translation [2024-11-05 13:35:54,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54 WrapperNode [2024-11-05 13:35:54,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 13:35:54,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 13:35:54,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 13:35:54,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 13:35:54,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (1/1) ... [2024-11-05 13:35:54,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (1/1) ... [2024-11-05 13:35:54,861 INFO L138 Inliner]: procedures = 699, calls = 1558, calls flagged for inlining = 47, calls inlined = 6, statements flattened = 594 [2024-11-05 13:35:54,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 13:35:54,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 13:35:54,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 13:35:54,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 13:35:54,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (1/1) ... [2024-11-05 13:35:54,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (1/1) ... [2024-11-05 13:35:54,884 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (1/1) ... [2024-11-05 13:35:54,950 INFO L175 MemorySlicer]: Split 277 memory accesses to 5 slices as follows [2, 238, 26, 6, 5]. 86 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 6, 5, 1, 5]. The 238 writes are split as follows [0, 232, 5, 1, 0]. [2024-11-05 13:35:54,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (1/1) ... [2024-11-05 13:35:54,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (1/1) ... [2024-11-05 13:35:54,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (1/1) ... [2024-11-05 13:35:54,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (1/1) ... [2024-11-05 13:35:55,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (1/1) ... [2024-11-05 13:35:55,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (1/1) ... [2024-11-05 13:35:55,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 13:35:55,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 13:35:55,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 13:35:55,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 13:35:55,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (1/1) ... [2024-11-05 13:35:55,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 13:35:55,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 13:35:55,068 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 13:35:55,071 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 13:35:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-05 13:35:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-05 13:35:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 13:35:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-05 13:35:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-05 13:35:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 13:35:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 13:35:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 13:35:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 13:35:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 13:35:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 13:35:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 13:35:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 13:35:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 13:35:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 13:35:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 13:35:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 13:35:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 13:35:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 13:35:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 13:35:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 13:35:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 13:35:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-05 13:35:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-05 13:35:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 13:35:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 13:35:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 13:35:55,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 13:35:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 13:35:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 13:35:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 13:35:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 13:35:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 13:35:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 13:35:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 13:35:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 13:35:55,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 13:35:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 13:35:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 13:35:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 13:35:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 13:35:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 13:35:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 13:35:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 13:35:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 13:35:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 13:35:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 13:35:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 13:35:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 13:35:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-05 13:35:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-05 13:35:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-05 13:35:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-05 13:35:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 13:35:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 13:35:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 13:35:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 13:35:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 13:35:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-05 13:35:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-05 13:35:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-05 13:35:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-05 13:35:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-05 13:35:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-05 13:35:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-05 13:35:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-05 13:35:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-05 13:35:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-05 13:35:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-05 13:35:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-05 13:35:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 13:35:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 13:35:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-05 13:35:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-05 13:35:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 13:35:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 13:35:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 13:35:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 13:35:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 13:35:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 13:35:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 13:35:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 13:35:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 13:35:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 13:35:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 13:35:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 13:35:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 13:35:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 13:35:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 13:35:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 13:35:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 13:35:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 13:35:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-05 13:35:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-05 13:35:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 13:35:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 13:35:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 13:35:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 13:35:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 13:35:55,423 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 13:35:55,425 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 13:36:04,581 INFO L? ?]: Removed 88 outVars from TransFormulas that were not future-live. [2024-11-05 13:36:04,581 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 13:36:04,602 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 13:36:04,603 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-05 13:36:04,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:36:04 BoogieIcfgContainer [2024-11-05 13:36:04,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 13:36:04,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 13:36:04,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 13:36:04,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 13:36:04,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 01:35:50" (1/3) ... [2024-11-05 13:36:04,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef51d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:36:04, skipping insertion in model container [2024-11-05 13:36:04,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:35:54" (2/3) ... [2024-11-05 13:36:04,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef51d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:36:04, skipping insertion in model container [2024-11-05 13:36:04,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:36:04" (3/3) ... [2024-11-05 13:36:04,614 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_dynamic_harness.i [2024-11-05 13:36:04,630 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 13:36:04,630 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 13:36:04,699 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 13:36:04,703 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;@4fe29954, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 13:36:04,704 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 13:36:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 92 states have internal predecessors, (111), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-05 13:36:04,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-05 13:36:04,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:36:04,715 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-05 13:36:04,716 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:36:04,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:36:04,720 INFO L85 PathProgramCache]: Analyzing trace with hash -393643122, now seen corresponding path program 1 times [2024-11-05 13:36:04,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:36:04,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100823994] [2024-11-05 13:36:04,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:36:04,731 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:36:04,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:04,733 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 13:36:04,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 13:36:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:36:11,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 2329 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 13:36:11,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:36:11,162 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-05 13:36:11,163 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:36:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-05 13:36:13,340 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:36:13,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100823994] [2024-11-05 13:36:13,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2100823994] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 13:36:13,341 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 13:36:13,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 13:36:13,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575925083] [2024-11-05 13:36:13,343 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 13:36:13,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 13:36:13,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:36:13,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 13:36:13,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 13:36:13,381 INFO L87 Difference]: Start difference. First operand has 143 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 92 states have internal predecessors, (111), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-05 13:36:13,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:36:13,425 INFO L93 Difference]: Finished difference Result 274 states and 373 transitions. [2024-11-05 13:36:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 13:36:13,429 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2024-11-05 13:36:13,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:36:13,438 INFO L225 Difference]: With dead ends: 274 [2024-11-05 13:36:13,439 INFO L226 Difference]: Without dead ends: 136 [2024-11-05 13:36:13,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 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 13:36:13,447 INFO L432 NwaCegarLoop]: 178 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, 178 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 13:36:13,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 13:36:13,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-05 13:36:13,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-05 13:36:13,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 84 states have (on average 1.1904761904761905) internal successors, (100), 86 states have internal predecessors, (100), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-05 13:36:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 170 transitions. [2024-11-05 13:36:13,499 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 170 transitions. Word has length 63 [2024-11-05 13:36:13,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:36:13,500 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 170 transitions. [2024-11-05 13:36:13,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-05 13:36:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 170 transitions. [2024-11-05 13:36:13,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-05 13:36:13,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:36:13,503 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-05 13:36:13,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 13:36:13,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:13,705 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:36:13,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:36:13,705 INFO L85 PathProgramCache]: Analyzing trace with hash 524760264, now seen corresponding path program 1 times [2024-11-05 13:36:13,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:36:13,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305747051] [2024-11-05 13:36:13,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:36:13,706 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:36:13,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:13,707 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 13:36:13,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 13:36:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:36:19,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 2345 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 13:36:19,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:36:20,659 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-05 13:36:20,659 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:36:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-05 13:36:23,792 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:36:23,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305747051] [2024-11-05 13:36:23,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1305747051] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 13:36:23,792 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 13:36:23,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 13:36:23,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700501644] [2024-11-05 13:36:23,792 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 13:36:23,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 13:36:23,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:36:23,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 13:36:23,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 13:36:23,795 INFO L87 Difference]: Start difference. First operand 136 states and 170 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 13:36:24,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:36:24,338 INFO L93 Difference]: Finished difference Result 256 states and 318 transitions. [2024-11-05 13:36:24,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 13:36:24,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 69 [2024-11-05 13:36:24,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:36:24,343 INFO L225 Difference]: With dead ends: 256 [2024-11-05 13:36:24,343 INFO L226 Difference]: Without dead ends: 138 [2024-11-05 13:36:24,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 13:36:24,348 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-05 13:36:24,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 503 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-05 13:36:24,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-05 13:36:24,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-05 13:36:24,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 86 states have (on average 1.186046511627907) internal successors, (102), 88 states have internal predecessors, (102), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-05 13:36:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 172 transitions. [2024-11-05 13:36:24,377 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 172 transitions. Word has length 69 [2024-11-05 13:36:24,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:36:24,378 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 172 transitions. [2024-11-05 13:36:24,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 13:36:24,378 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 172 transitions. [2024-11-05 13:36:24,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-05 13:36:24,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:36:24,379 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-05 13:36:24,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 13:36:24,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:24,586 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:36:24,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:36:24,586 INFO L85 PathProgramCache]: Analyzing trace with hash 611745288, now seen corresponding path program 1 times [2024-11-05 13:36:24,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:36:24,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184650847] [2024-11-05 13:36:24,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:36:24,587 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:36:24,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:24,588 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 13:36:24,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 13:36:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:36:30,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 2367 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 13:36:30,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:36:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-05 13:36:32,168 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:36:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-05 13:36:37,847 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:36:37,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184650847] [2024-11-05 13:36:37,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1184650847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 13:36:37,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 13:36:37,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 13:36:37,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832801079] [2024-11-05 13:36:37,847 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 13:36:37,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 13:36:37,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:36:37,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 13:36:37,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-05 13:36:37,849 INFO L87 Difference]: Start difference. First operand 138 states and 172 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 13:36:40,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:36:40,808 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2024-11-05 13:36:40,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 13:36:40,810 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 71 [2024-11-05 13:36:40,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:36:40,812 INFO L225 Difference]: With dead ends: 260 [2024-11-05 13:36:40,813 INFO L226 Difference]: Without dead ends: 142 [2024-11-05 13:36:40,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-05 13:36:40,815 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-05 13:36:40,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 671 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-05 13:36:40,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-05 13:36:40,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-05 13:36:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 92 states have internal predecessors, (106), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-05 13:36:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 176 transitions. [2024-11-05 13:36:40,827 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 176 transitions. Word has length 71 [2024-11-05 13:36:40,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:36:40,828 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 176 transitions. [2024-11-05 13:36:40,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 13:36:40,828 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 176 transitions. [2024-11-05 13:36:40,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-05 13:36:40,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:36:40,830 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 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] [2024-11-05 13:36:40,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-05 13:36:41,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:41,031 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:36:41,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:36:41,032 INFO L85 PathProgramCache]: Analyzing trace with hash 2028019848, now seen corresponding path program 2 times [2024-11-05 13:36:41,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:36:41,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424164921] [2024-11-05 13:36:41,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:36:41,032 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:36:41,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:36:41,034 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 13:36:41,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 13:36:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:36:46,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 2411 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 13:36:46,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:36:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-05 13:36:51,496 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:37:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-05 13:37:03,384 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:37:03,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424164921] [2024-11-05 13:37:03,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [424164921] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 13:37:03,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 13:37:03,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-05 13:37:03,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631148874] [2024-11-05 13:37:03,384 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 13:37:03,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-05 13:37:03,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:37:03,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-05 13:37:03,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-11-05 13:37:03,386 INFO L87 Difference]: Start difference. First operand 142 states and 176 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 13:37:14,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:37:14,740 INFO L93 Difference]: Finished difference Result 268 states and 336 transitions. [2024-11-05 13:37:14,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-05 13:37:14,745 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2024-11-05 13:37:14,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:37:14,749 INFO L225 Difference]: With dead ends: 268 [2024-11-05 13:37:14,750 INFO L226 Difference]: Without dead ends: 150 [2024-11-05 13:37:14,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=205, Invalid=347, Unknown=0, NotChecked=0, Total=552 [2024-11-05 13:37:14,752 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 1835 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2003 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-05 13:37:14,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2003 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-05 13:37:14,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-05 13:37:14,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-05 13:37:14,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 98 states have (on average 1.163265306122449) internal successors, (114), 100 states have internal predecessors, (114), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-05 13:37:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 184 transitions. [2024-11-05 13:37:14,778 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 184 transitions. Word has length 75 [2024-11-05 13:37:14,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:37:14,779 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 184 transitions. [2024-11-05 13:37:14,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 13:37:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2024-11-05 13:37:14,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-05 13:37:14,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:37:14,783 INFO L215 NwaCegarLoop]: trace histogram [14, 5, 5, 5, 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] [2024-11-05 13:37:14,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 13:37:14,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:37:14,984 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:37:14,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:37:14,984 INFO L85 PathProgramCache]: Analyzing trace with hash 890676616, now seen corresponding path program 3 times [2024-11-05 13:37:14,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:37:14,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317163194] [2024-11-05 13:37:14,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:37:14,985 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:37:14,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:37:14,986 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 13:37:14,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 13:37:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:37:20,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 2499 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-05 13:37:20,606 INFO L278 TraceCheckSpWp]: Computing forward predicates...