/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 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_linked_list_node_reset_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 02:28:46,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 02:28:46,909 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 02:28:46,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 02:28:46,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 02:28:46,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 02:28:46,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 02:28:46,946 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 02:28:46,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 02:28:46,947 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 02:28:46,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 02:28:46,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 02:28:46,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 02:28:46,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 02:28:46,949 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 02:28:46,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 02:28:46,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 02:28:46,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 02:28:46,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 02:28:46,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 02:28:46,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 02:28:46,956 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 02:28:46,956 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 02:28:46,957 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 02:28:46,957 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 02:28:46,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 02:28:46,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 02:28:46,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 02:28:46,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 02:28:46,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 02:28:46,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 02:28:46,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 02:28:46,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 02:28:46,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 02:28:46,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 02:28:46,961 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 02:28:46,961 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 02:28:46,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 02:28:46,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 02:28:46,961 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 02:28:46,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 02:28:46,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-05 02:28:47,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 02:28:47,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 02:28:47,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 02:28:47,219 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 02:28:47,220 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 02:28:47,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_linked_list_node_reset_harness.i [2024-11-05 02:28:48,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 02:28:49,061 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 02:28:49,062 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_node_reset_harness.i [2024-11-05 02:28:49,097 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f8f8960/0bb6fb6413c54e7a93d6a6dede52c8cc/FLAGa7a6c4b44 [2024-11-05 02:28:49,114 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f8f8960/0bb6fb6413c54e7a93d6a6dede52c8cc [2024-11-05 02:28:49,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 02:28:49,117 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 02:28:49,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 02:28:49,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 02:28:49,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 02:28:49,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:28:49" (1/1) ... [2024-11-05 02:28:49,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18968195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:49, skipping insertion in model container [2024-11-05 02:28:49,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:28:49" (1/1) ... [2024-11-05 02:28:49,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 02:28:49,523 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_linked_list_node_reset_harness.i[4500,4513] [2024-11-05 02:28:49,537 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_linked_list_node_reset_harness.i[4560,4573] [2024-11-05 02:28:50,071 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,158 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,158 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,159 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,171 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,173 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,174 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,174 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,177 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,178 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,183 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,183 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,203 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,203 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,204 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,206 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,207 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,208 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,209 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,210 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,476 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,477 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,478 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,478 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,593 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:28:50,642 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 02:28:50,681 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 02:28:50,689 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_linked_list_node_reset_harness.i[4500,4513] [2024-11-05 02:28:50,689 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_linked_list_node_reset_harness.i[4560,4573] [2024-11-05 02:28:50,721 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,741 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,741 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,742 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,753 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,754 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,754 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,755 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,755 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,755 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,762 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,762 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,764 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,764 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,773 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,773 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,778 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,779 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,780 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,781 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,781 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,843 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,844 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,844 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,845 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,879 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:28:50,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:28:50,900 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 02:28:50,919 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_linked_list_node_reset_harness.i[4500,4513] [2024-11-05 02:28:50,919 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_linked_list_node_reset_harness.i[4560,4573] [2024-11-05 02:28:50,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,981 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,981 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,983 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,984 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:50,987 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:28:51,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:28:51,237 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-05 02:28:51,249 INFO L204 MainTranslator]: Completed translation [2024-11-05 02:28:51,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51 WrapperNode [2024-11-05 02:28:51,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 02:28:51,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 02:28:51,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 02:28:51,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 02:28:51,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (1/1) ... [2024-11-05 02:28:51,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (1/1) ... [2024-11-05 02:28:51,400 INFO L138 Inliner]: procedures = 687, calls = 1032, calls flagged for inlining = 48, calls inlined = 3, statements flattened = 28 [2024-11-05 02:28:51,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 02:28:51,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 02:28:51,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 02:28:51,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 02:28:51,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (1/1) ... [2024-11-05 02:28:51,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (1/1) ... [2024-11-05 02:28:51,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (1/1) ... [2024-11-05 02:28:51,442 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [2, 5, 2]. 56 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 1 writes are split as follows [0, 0, 1]. [2024-11-05 02:28:51,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (1/1) ... [2024-11-05 02:28:51,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (1/1) ... [2024-11-05 02:28:51,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (1/1) ... [2024-11-05 02:28:51,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (1/1) ... [2024-11-05 02:28:51,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (1/1) ... [2024-11-05 02:28:51,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (1/1) ... [2024-11-05 02:28:51,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 02:28:51,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 02:28:51,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 02:28:51,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 02:28:51,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (1/1) ... [2024-11-05 02:28:51,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 02:28:51,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 02:28:51,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 02:28:51,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 02:28:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_reset [2024-11-05 02:28:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_reset [2024-11-05 02:28:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-05 02:28:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-05 02:28:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 02:28:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 02:28:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 02:28:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 02:28:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 02:28:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 02:28:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 02:28:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 02:28:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 02:28:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 02:28:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 02:28:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 02:28:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-05 02:28:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-05 02:28:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-05 02:28:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-05 02:28:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-05 02:28:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-05 02:28:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 02:28:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 02:28:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 02:28:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 02:28:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 02:28:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 02:28:51,778 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 02:28:51,780 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 02:28:52,004 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-05 02:28:52,004 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 02:28:52,015 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 02:28:52,015 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-05 02:28:52,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:28:52 BoogieIcfgContainer [2024-11-05 02:28:52,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 02:28:52,018 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 02:28:52,018 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 02:28:52,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 02:28:52,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 02:28:49" (1/3) ... [2024-11-05 02:28:52,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722f6d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:28:52, skipping insertion in model container [2024-11-05 02:28:52,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:28:51" (2/3) ... [2024-11-05 02:28:52,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722f6d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:28:52, skipping insertion in model container [2024-11-05 02:28:52,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:28:52" (3/3) ... [2024-11-05 02:28:52,023 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_linked_list_node_reset_harness.i [2024-11-05 02:28:52,038 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 02:28:52,038 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 02:28:52,092 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 02:28:52,101 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;@1a5e76fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 02:28:52,101 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 02:28:52,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-05 02:28:52,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-05 02:28:52,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:28:52,116 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 02:28:52,117 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 02:28:52,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:28:52,123 INFO L85 PathProgramCache]: Analyzing trace with hash 896723244, now seen corresponding path program 1 times [2024-11-05 02:28:52,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:28:52,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599314427] [2024-11-05 02:28:52,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:28:52,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:28:52,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:28:52,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 02:28:52,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-05 02:28:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 02:28:52,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 02:28:52,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 02:28:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 02:28:52,299 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 02:28:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 02:28:52,321 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 02:28:52,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599314427] [2024-11-05 02:28:52,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [599314427] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 02:28:52,322 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 02:28:52,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 02:28:52,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409022608] [2024-11-05 02:28:52,327 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 02:28:52,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 02:28:52,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 02:28:52,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 02:28:52,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 02:28:52,356 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-05 02:28:52,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 02:28:52,380 INFO L93 Difference]: Finished difference Result 75 states and 96 transitions. [2024-11-05 02:28:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 02:28:52,383 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-11-05 02:28:52,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 02:28:52,390 INFO L225 Difference]: With dead ends: 75 [2024-11-05 02:28:52,390 INFO L226 Difference]: Without dead ends: 36 [2024-11-05 02:28:52,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 02:28:52,398 INFO L432 NwaCegarLoop]: 45 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, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 02:28:52,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 02:28:52,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-05 02:28:52,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-05 02:28:52,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-05 02:28:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2024-11-05 02:28:52,438 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 20 [2024-11-05 02:28:52,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 02:28:52,439 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2024-11-05 02:28:52,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-05 02:28:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2024-11-05 02:28:52,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-05 02:28:52,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:28:52,442 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 02:28:52,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-05 02:28:52,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 02:28:52,645 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 02:28:52,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:28:52,645 INFO L85 PathProgramCache]: Analyzing trace with hash -2088176269, now seen corresponding path program 1 times [2024-11-05 02:28:52,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:28:52,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345887676] [2024-11-05 02:28:52,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:28:52,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:28:52,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:28:52,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 02:28:52,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-05 02:28:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 02:28:52,782 WARN L253 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-05 02:28:52,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 02:28:52,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-05 02:28:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 02:28:53,068 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 02:28:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 02:28:53,457 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 02:28:53,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345887676] [2024-11-05 02:28:53,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1345887676] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 02:28:53,458 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 02:28:53,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 6] imperfect sequences [] total 14 [2024-11-05 02:28:53,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835032392] [2024-11-05 02:28:53,458 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 02:28:53,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-05 02:28:53,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 02:28:53,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-05 02:28:53,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-05 02:28:53,461 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 14 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 9 states have internal predecessors, (29), 5 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 02:28:53,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 02:28:53,943 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2024-11-05 02:28:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-05 02:28:53,944 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 9 states have internal predecessors, (29), 5 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 26 [2024-11-05 02:28:53,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 02:28:53,947 INFO L225 Difference]: With dead ends: 58 [2024-11-05 02:28:53,947 INFO L226 Difference]: Without dead ends: 56 [2024-11-05 02:28:53,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2024-11-05 02:28:53,949 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 46 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 02:28:53,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 144 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-05 02:28:53,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-05 02:28:53,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 43. [2024-11-05 02:28:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 29 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 7 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2024-11-05 02:28:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2024-11-05 02:28:53,960 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 26 [2024-11-05 02:28:53,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 02:28:53,961 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2024-11-05 02:28:53,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 9 states have internal predecessors, (29), 5 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 02:28:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2024-11-05 02:28:53,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-05 02:28:53,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:28:53,962 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 02:28:53,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-05 02:28:54,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 02:28:54,165 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 02:28:54,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:28:54,165 INFO L85 PathProgramCache]: Analyzing trace with hash -520114070, now seen corresponding path program 1 times [2024-11-05 02:28:54,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:28:54,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1695806154] [2024-11-05 02:28:54,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:28:54,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:28:54,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:28:54,169 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 02:28:54,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-05 02:28:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 02:28:54,306 WARN L253 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-05 02:28:54,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 02:28:54,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-05 02:28:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 02:28:54,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 02:28:54,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 02:28:54,684 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 02:28:54,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1695806154] [2024-11-05 02:28:54,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1695806154] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 02:28:54,685 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 02:28:54,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 4] imperfect sequences [] total 10 [2024-11-05 02:28:54,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123058132] [2024-11-05 02:28:54,685 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 02:28:54,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 02:28:54,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 02:28:54,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 02:28:54,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-05 02:28:54,687 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand has 10 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-05 02:28:54,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 02:28:54,960 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2024-11-05 02:28:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-05 02:28:54,960 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 26 [2024-11-05 02:28:54,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 02:28:54,961 INFO L225 Difference]: With dead ends: 78 [2024-11-05 02:28:54,962 INFO L226 Difference]: Without dead ends: 45 [2024-11-05 02:28:54,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-05 02:28:54,963 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 26 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 02:28:54,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 93 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 02:28:54,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-05 02:28:54,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-05 02:28:54,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 31 states have internal predecessors, (33), 8 states have call successors, (8), 6 states have call predecessors, (8), 7 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2024-11-05 02:28:54,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2024-11-05 02:28:54,971 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 26 [2024-11-05 02:28:54,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 02:28:54,971 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2024-11-05 02:28:54,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-05 02:28:54,972 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2024-11-05 02:28:54,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-05 02:28:54,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:28:54,973 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-05 02:28:54,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-05 02:28:55,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 02:28:55,175 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 02:28:55,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:28:55,176 INFO L85 PathProgramCache]: Analyzing trace with hash 2131728106, now seen corresponding path program 1 times [2024-11-05 02:28:55,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:28:55,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628307458] [2024-11-05 02:28:55,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:28:55,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:28:55,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:28:55,179 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 02:28:55,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-05 02:28:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 02:28:55,280 WARN L253 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-05 02:28:55,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 02:28:55,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-05 02:28:55,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 02:28:55,880 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 02:28:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 02:28:56,885 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 02:28:56,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628307458] [2024-11-05 02:28:56,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [628307458] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 02:28:56,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 02:28:56,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 14 [2024-11-05 02:28:56,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199489907] [2024-11-05 02:28:56,886 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 02:28:56,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-05 02:28:56,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 02:28:56,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-05 02:28:56,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-05 02:28:56,888 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 14 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 4 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-05 02:28:57,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 02:28:57,961 INFO L93 Difference]: Finished difference Result 82 states and 95 transitions. [2024-11-05 02:28:57,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-05 02:28:57,963 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 4 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 28 [2024-11-05 02:28:57,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 02:28:57,964 INFO L225 Difference]: With dead ends: 82 [2024-11-05 02:28:57,964 INFO L226 Difference]: Without dead ends: 49 [2024-11-05 02:28:57,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-11-05 02:28:57,965 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 26 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-05 02:28:57,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 126 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-05 02:28:57,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-05 02:28:57,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-05 02:28:57,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.121212121212121) internal successors, (37), 35 states have internal predecessors, (37), 8 states have call successors, (8), 6 states have call predecessors, (8), 7 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2024-11-05 02:28:57,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2024-11-05 02:28:57,979 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 28 [2024-11-05 02:28:57,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 02:28:57,979 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2024-11-05 02:28:57,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 4 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-05 02:28:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2024-11-05 02:28:57,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-05 02:28:57,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:28:57,980 INFO L215 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 02:28:57,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-05 02:28:58,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 02:28:58,183 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 02:28:58,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:28:58,184 INFO L85 PathProgramCache]: Analyzing trace with hash -2022145046, now seen corresponding path program 2 times [2024-11-05 02:28:58,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:28:58,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344504799] [2024-11-05 02:28:58,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:28:58,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:28:58,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:28:58,187 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 02:28:58,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-05 02:28:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 02:28:58,324 WARN L253 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 112 conjuncts are in the unsatisfiable core [2024-11-05 02:28:58,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 02:28:58,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-05 02:29:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 02:29:01,062 INFO L311 TraceCheckSpWp]: Computing backward predicates...