/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 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_array_list_clean_up_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 14:42:05,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 14:42:05,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 14:42:05,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 14:42:05,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 14:42:05,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 14:42:05,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 14:42:05,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 14:42:05,485 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 14:42:05,486 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 14:42:05,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 14:42:05,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 14:42:05,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 14:42:05,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 14:42:05,488 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 14:42:05,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 14:42:05,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 14:42:05,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 14:42:05,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 14:42:05,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 14:42:05,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 14:42:05,491 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 14:42:05,492 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 14:42:05,492 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 14:42:05,492 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 14:42:05,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 14:42:05,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 14:42:05,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 14:42:05,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 14:42:05,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 14:42:05,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 14:42:05,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:42:05,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 14:42:05,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 14:42:05,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 14:42:05,494 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 14:42:05,495 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 14:42:05,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 14:42:05,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 14:42:05,495 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 14:42:05,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 14:42:05,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:42:05,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 14:42:05,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 14:42:05,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 14:42:05,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 14:42:05,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 14:42:05,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_clean_up_harness.i [2024-11-04 14:42:07,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 14:42:07,684 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 14:42:07,685 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clean_up_harness.i [2024-11-04 14:42:07,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7fcede6a/65a71fa0b85445afacd24e293e32b8e7/FLAG55fc45bab [2024-11-04 14:42:07,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7fcede6a/65a71fa0b85445afacd24e293e32b8e7 [2024-11-04 14:42:07,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 14:42:07,742 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 14:42:07,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 14:42:07,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 14:42:07,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 14:42:07,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:42:07" (1/1) ... [2024-11-04 14:42:07,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131d1f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:07, skipping insertion in model container [2024-11-04 14:42:07,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:42:07" (1/1) ... [2024-11-04 14:42:07,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:42:08,133 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clean_up_harness.i[4497,4510] [2024-11-04 14:42:08,141 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clean_up_harness.i[4557,4570] [2024-11-04 14:42:08,867 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,070 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,071 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,074 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,082 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,084 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,086 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,088 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,090 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,093 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,094 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,100 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,101 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,114 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,115 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,116 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,118 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,119 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,120 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,122 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,123 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,125 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,126 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,126 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,127 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,127 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,443 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,444 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,444 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,445 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,534 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,556 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,556 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,557 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,557 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,557 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,558 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,558 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,558 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,559 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,559 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,560 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,560 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,560 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,560 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:42:09,666 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 14:42:09,702 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:42:09,708 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clean_up_harness.i[4497,4510] [2024-11-04 14:42:09,711 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clean_up_harness.i[4557,4570] [2024-11-04 14:42:09,741 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,768 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,772 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,774 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,776 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,776 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,777 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,777 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,781 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,782 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,783 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,787 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,787 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,788 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,789 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,789 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,846 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,847 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,848 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,849 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,866 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,871 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:09,873 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,873 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,874 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,874 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,874 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,874 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,875 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,875 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,876 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,876 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,876 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,876 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,877 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,877 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:09,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:42:09,916 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 14:42:09,934 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clean_up_harness.i[4497,4510] [2024-11-04 14:42:09,934 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clean_up_harness.i[4557,4570] [2024-11-04 14:42:10,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,013 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,014 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,018 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,018 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,019 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,086 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,090 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:10,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2024-11-04 14:42:10,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:42:10,353 INFO L204 MainTranslator]: Completed translation [2024-11-04 14:42:10,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10 WrapperNode [2024-11-04 14:42:10,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 14:42:10,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 14:42:10,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 14:42:10,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 14:42:10,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (1/1) ... [2024-11-04 14:42:10,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (1/1) ... [2024-11-04 14:42:10,529 INFO L138 Inliner]: procedures = 699, calls = 1548, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 575 [2024-11-04 14:42:10,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 14:42:10,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 14:42:10,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 14:42:10,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 14:42:10,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (1/1) ... [2024-11-04 14:42:10,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (1/1) ... [2024-11-04 14:42:10,559 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (1/1) ... [2024-11-04 14:42:10,638 INFO L175 MemorySlicer]: Split 277 memory accesses to 5 slices as follows [2, 238, 6, 28, 3]. 86 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 6, 5, 5, 1]. The 237 writes are split as follows [0, 232, 0, 4, 1]. [2024-11-04 14:42:10,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (1/1) ... [2024-11-04 14:42:10,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (1/1) ... [2024-11-04 14:42:10,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (1/1) ... [2024-11-04 14:42:10,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (1/1) ... [2024-11-04 14:42:10,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (1/1) ... [2024-11-04 14:42:10,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (1/1) ... [2024-11-04 14:42:10,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 14:42:10,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 14:42:10,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 14:42:10,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 14:42:10,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (1/1) ... [2024-11-04 14:42:10,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:42:10,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:42:10,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-04 14:42:10,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-04 14:42:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-04 14:42:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-04 14:42:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 14:42:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-04 14:42:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-04 14:42:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-04 14:42:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-04 14:42:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 14:42:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 14:42:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 14:42:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 14:42:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 14:42:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 14:42:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 14:42:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 14:42:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 14:42:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 14:42:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 14:42:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 14:42:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 14:42:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 14:42:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 14:42:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 14:42:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 14:42:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 14:42:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 14:42:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 14:42:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 14:42:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 14:42:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 14:42:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 14:42:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 14:42:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 14:42:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 14:42:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 14:42:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 14:42:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 14:42:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 14:42:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 14:42:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 14:42:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 14:42:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 14:42:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 14:42:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 14:42:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 14:42:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 14:42:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 14:42:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 14:42:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 14:42:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 14:42:10,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 14:42:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 14:42:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 14:42:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 14:42:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 14:42:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 14:42:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-04 14:42:10,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-04 14:42:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-04 14:42:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-04 14:42:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-04 14:42:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-04 14:42:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-04 14:42:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-04 14:42:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-04 14:42:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-04 14:42:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-04 14:42:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-04 14:42:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 14:42:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 14:42:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 14:42:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 14:42:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 14:42:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 14:42:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 14:42:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 14:42:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 14:42:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 14:42:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 14:42:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 14:42:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 14:42:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 14:42:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 14:42:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 14:42:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 14:42:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 14:42:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 14:42:10,805 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 14:42:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 14:42:10,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 14:42:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 14:42:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 14:42:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 14:42:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 14:42:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 14:42:11,188 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 14:42:11,191 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 14:42:19,557 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-04 14:42:19,557 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 14:42:19,573 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 14:42:19,573 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-04 14:42:19,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:42:19 BoogieIcfgContainer [2024-11-04 14:42:19,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 14:42:19,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 14:42:19,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 14:42:19,581 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 14:42:19,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 02:42:07" (1/3) ... [2024-11-04 14:42:19,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54eb3827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:42:19, skipping insertion in model container [2024-11-04 14:42:19,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:10" (2/3) ... [2024-11-04 14:42:19,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54eb3827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:42:19, skipping insertion in model container [2024-11-04 14:42:19,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:42:19" (3/3) ... [2024-11-04 14:42:19,583 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clean_up_harness.i [2024-11-04 14:42:19,597 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 14:42:19,598 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 14:42:19,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 14:42:19,683 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;@40ef2559, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 14:42:19,683 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 14:42:19,689 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-04 14:42:19,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-04 14:42:19,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:42:19,700 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 14:42:19,701 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:42:19,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:42:19,708 INFO L85 PathProgramCache]: Analyzing trace with hash -24843130, now seen corresponding path program 1 times [2024-11-04 14:42:19,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:42:19,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351839959] [2024-11-04 14:42:19,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:42:19,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:42:19,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:42:19,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:42:19,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 14:42:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:42:26,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 2278 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 14:42:26,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:42:26,774 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-04 14:42:26,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:42:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-04 14:42:28,087 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:42:28,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351839959] [2024-11-04 14:42:28,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [351839959] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 14:42:28,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 14:42:28,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-04 14:42:28,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066241043] [2024-11-04 14:42:28,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 14:42:28,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 14:42:28,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:42:28,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 14:42:28,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 14:42:28,125 INFO L87 Difference]: Start difference. First operand has 114 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-04 14:42:28,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:42:28,164 INFO L93 Difference]: Finished difference Result 221 states and 288 transitions. [2024-11-04 14:42:28,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 14:42:28,166 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2024-11-04 14:42:28,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:42:28,173 INFO L225 Difference]: With dead ends: 221 [2024-11-04 14:42:28,173 INFO L226 Difference]: Without dead ends: 107 [2024-11-04 14:42:28,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 14:42:28,183 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-04 14:42:28,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 14:42:28,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-04 14:42:28,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-04 14:42:28,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 72 states have (on average 1.2083333333333333) internal successors, (87), 72 states have internal predecessors, (87), 22 states have call successors, (22), 13 states have call predecessors, (22), 12 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-04 14:42:28,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 130 transitions. [2024-11-04 14:42:28,247 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 130 transitions. Word has length 65 [2024-11-04 14:42:28,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:42:28,248 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 130 transitions. [2024-11-04 14:42:28,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-04 14:42:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2024-11-04 14:42:28,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-04 14:42:28,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:42:28,255 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 14:42:28,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-04 14:42:28,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:42:28,456 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:42:28,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:42:28,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1894743406, now seen corresponding path program 1 times [2024-11-04 14:42:28,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:42:28,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685783497] [2024-11-04 14:42:28,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:42:28,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:42:28,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:42:28,459 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:42:28,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-04 14:42:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:42:35,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 2294 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 14:42:35,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:42:37,172 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-04 14:42:37,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:42:40,987 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-04 14:42:40,988 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:42:40,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685783497] [2024-11-04 14:42:40,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1685783497] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 14:42:40,988 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 14:42:40,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2024-11-04 14:42:40,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019646481] [2024-11-04 14:42:40,989 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 14:42:40,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 14:42:40,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:42:40,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 14:42:40,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 14:42:40,992 INFO L87 Difference]: Start difference. First operand 107 states and 130 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-04 14:42:42,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:42:42,379 INFO L93 Difference]: Finished difference Result 182 states and 221 transitions. [2024-11-04 14:42:42,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 14:42:42,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 71 [2024-11-04 14:42:42,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:42:42,383 INFO L225 Difference]: With dead ends: 182 [2024-11-04 14:42:42,383 INFO L226 Difference]: Without dead ends: 109 [2024-11-04 14:42:42,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 14:42:42,385 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 41 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-04 14:42:42,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 317 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-04 14:42:42,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-04 14:42:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-04 14:42:42,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 73 states have (on average 1.2054794520547945) internal successors, (88), 74 states have internal predecessors, (88), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-04 14:42:42,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 132 transitions. [2024-11-04 14:42:42,401 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 132 transitions. Word has length 71 [2024-11-04 14:42:42,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:42:42,401 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 132 transitions. [2024-11-04 14:42:42,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-04 14:42:42,402 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2024-11-04 14:42:42,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-04 14:42:42,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:42:42,404 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 14:42:42,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-04 14:42:42,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:42:42,605 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:42:42,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:42:42,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1641735236, now seen corresponding path program 1 times [2024-11-04 14:42:42,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:42:42,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1621442323] [2024-11-04 14:42:42,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:42:42,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:42:42,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:42:42,607 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:42:42,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-04 14:42:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:42:49,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 2394 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-04 14:42:49,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:42:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-04 14:42:57,821 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:43:13,738 WARN L286 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 19 DAG size of output: 19 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)