/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_clear_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 14:42:22,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 14:42:22,624 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 14:42:22,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 14:42:22,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 14:42:22,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 14:42:22,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 14:42:22,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 14:42:22,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 14:42:22,652 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 14:42:22,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 14:42:22,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 14:42:22,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 14:42:22,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 14:42:22,653 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 14:42:22,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 14:42:22,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 14:42:22,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 14:42:22,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 14:42:22,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 14:42:22,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 14:42:22,657 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 14:42:22,657 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 14:42:22,657 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 14:42:22,658 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 14:42:22,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 14:42:22,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 14:42:22,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 14:42:22,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 14:42:22,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 14:42:22,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 14:42:22,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:42:22,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 14:42:22,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 14:42:22,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 14:42:22,659 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 14:42:22,660 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 14:42:22,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 14:42:22,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 14:42:22,662 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 14:42:22,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 14:42:22,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:42:22,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 14:42:22,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 14:42:22,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 14:42:22,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 14:42:22,870 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 14:42:22,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i [2024-11-04 14:42:24,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 14:42:24,486 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 14:42:24,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i [2024-11-04 14:42:24,517 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fb9ba458/ff8aca47f36a43b9bc86d768521362bc/FLAGd0f6ef3eb [2024-11-04 14:42:24,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fb9ba458/ff8aca47f36a43b9bc86d768521362bc [2024-11-04 14:42:24,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 14:42:24,538 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 14:42:24,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 14:42:24,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 14:42:24,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 14:42:24,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:42:24" (1/1) ... [2024-11-04 14:42:24,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8279b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:24, skipping insertion in model container [2024-11-04 14:42:24,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:42:24" (1/1) ... [2024-11-04 14:42:24,642 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:42:24,849 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2024-11-04 14:42:24,854 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2024-11-04 14:42:25,205 WARN 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 14:42:25,301 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:25,302 WARN 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 14:42:25,302 WARN 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 14:42:25,308 WARN 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 14:42:25,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,311 WARN 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 14:42:25,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,313 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,315 WARN 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 14:42:25,315 WARN 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 14:42:25,317 WARN 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 14:42:25,317 WARN 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 14:42:25,323 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,323 WARN 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 14:42:25,324 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,324 WARN 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 14:42:25,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,325 WARN 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 14:42:25,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,326 WARN 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 14:42:25,327 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,327 WARN 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 14:42:25,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,328 WARN 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 14:42:25,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,540 WARN 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 14:42:25,545 WARN 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 14:42:25,546 WARN 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 14:42:25,546 WARN 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 14:42:25,629 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,639 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,647 WARN 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 14:42:25,648 WARN 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 14:42:25,650 WARN 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 14:42:25,651 WARN 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 14:42:25,651 WARN 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 14:42:25,651 WARN 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 14:42:25,651 WARN 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 14:42:25,652 WARN 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 14:42:25,652 WARN 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 14:42:25,652 WARN 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 14:42:25,653 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:25,653 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:25,653 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:25,653 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:25,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:42:25,721 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 14:42:25,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:42:25,759 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2024-11-04 14:42:25,760 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2024-11-04 14:42:25,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:25,806 WARN 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 14:42:25,806 WARN 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 14:42:25,806 WARN 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 14:42:25,810 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:25,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,811 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:42:25,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,817 WARN 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 14:42:25,817 WARN 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 14:42:25,818 WARN 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 14:42:25,818 WARN 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 14:42:25,823 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,824 WARN 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 14:42:25,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,824 WARN 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 14:42:25,825 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,825 WARN 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 14:42:25,825 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,825 WARN 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 14:42:25,826 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,826 WARN 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 14:42:25,827 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,827 WARN 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 14:42:25,827 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,827 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,861 WARN 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 14:42:25,861 WARN 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 14:42:25,862 WARN 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 14:42:25,862 WARN 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 14:42:25,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,887 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:25,889 WARN 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 14:42:25,889 WARN 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 14:42:25,889 WARN 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 14:42:25,890 WARN 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 14:42:25,890 WARN 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 14:42:25,892 WARN 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 14:42:25,892 WARN 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 14:42:25,893 WARN 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 14:42:25,893 WARN 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 14:42:25,893 WARN 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 14:42:25,894 WARN 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 14:42:25,894 WARN 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 14:42:25,894 WARN 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 14:42:25,896 WARN 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 14:42:25,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:42:25,962 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 14:42:25,978 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2024-11-04 14:42:25,980 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2024-11-04 14:42:26,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,023 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,023 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,024 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,025 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,025 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,026 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,073 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:42:26,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7517-7528] [2024-11-04 14:42:26,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:42:26,241 INFO L204 MainTranslator]: Completed translation [2024-11-04 14:42:26,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26 WrapperNode [2024-11-04 14:42:26,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 14:42:26,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 14:42:26,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 14:42:26,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 14:42:26,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (1/1) ... [2024-11-04 14:42:26,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (1/1) ... [2024-11-04 14:42:26,366 INFO L138 Inliner]: procedures = 699, calls = 1574, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 583 [2024-11-04 14:42:26,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 14:42:26,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 14:42:26,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 14:42:26,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 14:42:26,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (1/1) ... [2024-11-04 14:42:26,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (1/1) ... [2024-11-04 14:42:26,388 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (1/1) ... [2024-11-04 14:42:26,453 INFO L175 MemorySlicer]: Split 291 memory accesses to 6 slices as follows [2, 238, 3, 34, 5, 9]. 82 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 1, 5, 5, 5]. The 237 writes are split as follows [0, 232, 1, 4, 0, 0]. [2024-11-04 14:42:26,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (1/1) ... [2024-11-04 14:42:26,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (1/1) ... [2024-11-04 14:42:26,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (1/1) ... [2024-11-04 14:42:26,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (1/1) ... [2024-11-04 14:42:26,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (1/1) ... [2024-11-04 14:42:26,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (1/1) ... [2024-11-04 14:42:26,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 14:42:26,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 14:42:26,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 14:42:26,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 14:42:26,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (1/1) ... [2024-11-04 14:42:26,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:42:26,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:42:26,548 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 14:42:26,552 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 14:42:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 14:42:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-04 14:42:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-04 14:42:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-04 14:42:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-04 14:42:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 14:42:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 14:42:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 14:42:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 14:42:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 14:42:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 14:42:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 14:42:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 14:42:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 14:42:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 14:42:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 14:42:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 14:42:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 14:42:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 14:42:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 14:42:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 14:42:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 14:42:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 14:42:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 14:42:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 14:42:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 14:42:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 14:42:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 14:42:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 14:42:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 14:42:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 14:42:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 14:42:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 14:42:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 14:42:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 14:42:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 14:42:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 14:42:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 14:42:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 14:42:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 14:42:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 14:42:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 14:42:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 14:42:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 14:42:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 14:42:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 14:42:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 14:42:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 14:42:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 14:42:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 14:42:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 14:42:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 14:42:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 14:42:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 14:42:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 14:42:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 14:42:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 14:42:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 14:42:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2024-11-04 14:42:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2024-11-04 14:42:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 14:42:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 14:42:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 14:42:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 14:42:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 14:42:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 14:42:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 14:42:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 14:42:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 14:42:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 14:42:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 14:42:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 14:42:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 14:42:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 14:42:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 14:42:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 14:42:26,843 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 14:42:26,844 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 14:42:33,876 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-04 14:42:33,877 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 14:42:33,888 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 14:42:33,888 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-04 14:42:33,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:42:33 BoogieIcfgContainer [2024-11-04 14:42:33,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 14:42:33,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 14:42:33,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 14:42:33,894 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 14:42:33,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 02:42:24" (1/3) ... [2024-11-04 14:42:33,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a5563b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:42:33, skipping insertion in model container [2024-11-04 14:42:33,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:42:26" (2/3) ... [2024-11-04 14:42:33,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a5563b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:42:33, skipping insertion in model container [2024-11-04 14:42:33,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:42:33" (3/3) ... [2024-11-04 14:42:33,896 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness_negated.i [2024-11-04 14:42:33,908 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 14:42:33,908 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 14:42:33,959 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 14:42:33,966 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;@5d59f1b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 14:42:33,966 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 14:42:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-04 14:42:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-04 14:42:33,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:42:33,982 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 14:42:33,983 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:42:33,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:42:33,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1818819730, now seen corresponding path program 1 times [2024-11-04 14:42:33,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:42:33,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469360947] [2024-11-04 14:42:33,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:42:33,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:42:33,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:42:33,998 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 14:42:33,999 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 14:42:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:42:40,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 14:42:40,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:42:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-04 14:42:40,115 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:42:41,601 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-04 14:42:41,602 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:42:41,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469360947] [2024-11-04 14:42:41,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [469360947] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 14:42:41,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 14:42:41,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-04 14:42:41,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375993997] [2024-11-04 14:42:41,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 14:42:41,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 14:42:41,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:42:41,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 14:42:41,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 14:42:41,629 INFO L87 Difference]: Start difference. First operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-04 14:42:41,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:42:41,658 INFO L93 Difference]: Finished difference Result 195 states and 256 transitions. [2024-11-04 14:42:41,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 14:42:41,660 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2024-11-04 14:42:41,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:42:41,668 INFO L225 Difference]: With dead ends: 195 [2024-11-04 14:42:41,669 INFO L226 Difference]: Without dead ends: 96 [2024-11-04 14:42:41,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 14:42:41,675 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-04 14:42:41,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 14:42:41,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-04 14:42:41,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-04 14:42:41,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 60 states have internal predecessors, (69), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-04 14:42:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 118 transitions. [2024-11-04 14:42:41,707 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 118 transitions. Word has length 60 [2024-11-04 14:42:41,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:42:41,708 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 118 transitions. [2024-11-04 14:42:41,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-04 14:42:41,708 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2024-11-04 14:42:41,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-04 14:42:41,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:42:41,710 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 14:42:41,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-04 14:42:41,911 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 14:42:41,912 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:42:41,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:42:41,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1417756758, now seen corresponding path program 1 times [2024-11-04 14:42:41,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:42:41,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422671503] [2024-11-04 14:42:41,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:42:41,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:42:41,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:42:41,914 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 14:42:41,915 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 14:42:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:42:47,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 14:42:47,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:42:49,775 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-04 14:42:49,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:42:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-04 14:42:53,703 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:42:53,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422671503] [2024-11-04 14:42:53,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [422671503] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 14:42:53,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 14:42:53,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-11-04 14:42:53,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782646834] [2024-11-04 14:42:53,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 14:42:53,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-04 14:42:53,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:42:53,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-04 14:42:53,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 14:42:53,705 INFO L87 Difference]: Start difference. First operand 96 states and 118 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-04 14:42:56,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:42:56,643 INFO L93 Difference]: Finished difference Result 160 states and 199 transitions. [2024-11-04 14:42:56,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 14:42:56,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2024-11-04 14:42:56,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:42:56,647 INFO L225 Difference]: With dead ends: 160 [2024-11-04 14:42:56,647 INFO L226 Difference]: Without dead ends: 98 [2024-11-04 14:42:56,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 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 14:42:56,649 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 23 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-04 14:42:56,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 362 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-04 14:42:56,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-04 14:42:56,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-04 14:42:56,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2024-11-04 14:42:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 121 transitions. [2024-11-04 14:42:56,662 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 121 transitions. Word has length 60 [2024-11-04 14:42:56,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:42:56,662 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 121 transitions. [2024-11-04 14:42:56,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-04 14:42:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2024-11-04 14:42:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-04 14:42:56,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:42:56,664 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 14:42:56,714 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 14:42:56,865 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 14:42:56,865 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:42:56,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:42:56,866 INFO L85 PathProgramCache]: Analyzing trace with hash -270811530, now seen corresponding path program 1 times [2024-11-04 14:42:56,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:42:56,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940989492] [2024-11-04 14:42:56,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:42:56,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:42:56,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:42:56,868 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 14:42:56,869 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 14:43:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:43:02,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 2465 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 14:43:02,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:43:05,859 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-04 14:43:05,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:43:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-04 14:43:10,761 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:43:10,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [940989492] [2024-11-04 14:43:10,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [940989492] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 14:43:10,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 14:43:10,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-11-04 14:43:10,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304044685] [2024-11-04 14:43:10,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 14:43:10,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 14:43:10,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:43:10,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 14:43:10,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-04 14:43:10,763 INFO L87 Difference]: Start difference. First operand 98 states and 121 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-04 14:43:15,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:43:15,632 INFO L93 Difference]: Finished difference Result 157 states and 192 transitions. [2024-11-04 14:43:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-04 14:43:15,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 75 [2024-11-04 14:43:15,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:43:15,635 INFO L225 Difference]: With dead ends: 157 [2024-11-04 14:43:15,636 INFO L226 Difference]: Without dead ends: 96 [2024-11-04 14:43:15,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-04 14:43:15,637 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 33 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-04 14:43:15,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 540 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-04 14:43:15,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-04 14:43:15,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-04 14:43:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.152542372881356) internal successors, (68), 60 states have internal predecessors, (68), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-04 14:43:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 117 transitions. [2024-11-04 14:43:15,652 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 117 transitions. Word has length 75 [2024-11-04 14:43:15,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:43:15,652 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 117 transitions. [2024-11-04 14:43:15,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-04 14:43:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2024-11-04 14:43:15,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-04 14:43:15,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:43:15,655 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 14:43:15,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-04 14:43:15,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:43:15,856 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:43:15,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:43:15,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1423335052, now seen corresponding path program 1 times [2024-11-04 14:43:15,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:43:15,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117812172] [2024-11-04 14:43:15,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:43:15,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:43:15,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:43:15,858 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:43:15,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-04 14:43:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:43:22,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 2665 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-04 14:43:22,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:43:24,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-04 14:43:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-04 14:43:46,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:44:04,979 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-04 14:44:04,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29