/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 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_linked_list_insert_after_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 08:17:37,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 08:17:37,944 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 08:17:37,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 08:17:37,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 08:17:37,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 08:17:37,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 08:17:37,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 08:17:37,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 08:17:37,980 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 08:17:37,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 08:17:37,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 08:17:37,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 08:17:37,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 08:17:37,983 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 08:17:37,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 08:17:37,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 08:17:37,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 08:17:37,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 08:17:37,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 08:17:37,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 08:17:37,989 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 08:17:37,989 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 08:17:37,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 08:17:37,989 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 08:17:37,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 08:17:37,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 08:17:37,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 08:17:37,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 08:17:37,991 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 08:17:37,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 08:17:37,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 08:17:37,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 08:17:37,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 08:17:37,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 08:17:37,992 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 08:17:37,993 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 08:17:37,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 08:17:37,994 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 08:17:37,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 08:17:37,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 08:17:37,995 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 08:17:38,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 08:17:38,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 08:17:38,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 08:17:38,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 08:17:38,233 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 08:17:38,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_linked_list_insert_after_harness.i [2024-11-05 08:17:39,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 08:17:40,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 08:17:40,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_insert_after_harness.i [2024-11-05 08:17:40,090 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f38144b1d/e93fc8faf3264413a2953257015b7f33/FLAG2c98e17c3 [2024-11-05 08:17:40,108 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f38144b1d/e93fc8faf3264413a2953257015b7f33 [2024-11-05 08:17:40,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 08:17:40,113 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 08:17:40,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 08:17:40,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 08:17:40,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 08:17:40,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:17:40" (1/1) ... [2024-11-05 08:17:40,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ecf4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:40, skipping insertion in model container [2024-11-05 08:17:40,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:17:40" (1/1) ... [2024-11-05 08:17:40,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 08:17:40,461 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_insert_after_harness.i[4502,4515] [2024-11-05 08:17:40,470 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_insert_after_harness.i[4562,4575] [2024-11-05 08:17:41,061 WARN 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 08:17:41,154 WARN 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 08:17:41,155 WARN 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 08:17:41,156 WARN 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 08:17:41,164 WARN 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 08:17:41,166 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,166 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,167 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,167 WARN 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 08:17:41,167 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,168 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,171 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 08:17:41,171 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 08:17:41,173 WARN 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 08:17:41,174 WARN 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 08:17:41,184 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,185 WARN 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 08:17:41,185 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,186 WARN 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 08:17:41,187 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,187 WARN 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 08:17:41,188 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,188 WARN 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 08:17:41,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,191 WARN 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 08:17:41,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,191 WARN 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 08:17:41,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,486 WARN 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 08:17:41,487 WARN 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 08:17:41,488 WARN 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 08:17:41,488 WARN 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 08:17:41,585 WARN 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 08:17:41,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 08:17:41,634 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 08:17:41,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 08:17:41,673 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_insert_after_harness.i[4502,4515] [2024-11-05 08:17:41,673 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_insert_after_harness.i[4562,4575] [2024-11-05 08:17:41,712 WARN 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 08:17:41,736 WARN 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 08:17:41,736 WARN 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 08:17:41,737 WARN 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 08:17:41,743 WARN 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 08:17:41,743 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,744 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,744 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,745 WARN 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 08:17:41,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,746 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,747 WARN 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 08:17:41,750 WARN 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 08:17:41,751 WARN 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 08:17:41,752 WARN 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 08:17:41,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,765 WARN 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 08:17:41,765 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,766 WARN 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 08:17:41,766 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:17:41,767 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:17:41,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,772 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:17:41,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,773 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 08:17:41,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,839 WARN 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 08:17:41,839 WARN 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 08:17:41,840 WARN 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 08:17:41,840 WARN 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 08:17:41,878 WARN 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 08:17:41,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 08:17:41,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 08:17:41,916 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_insert_after_harness.i[4502,4515] [2024-11-05 08:17:41,916 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_insert_after_harness.i[4562,4575] [2024-11-05 08:17:41,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,963 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,963 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:41,975 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:17:42,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 08:17:42,236 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-05 08:17:42,244 INFO L204 MainTranslator]: Completed translation [2024-11-05 08:17:42,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42 WrapperNode [2024-11-05 08:17:42,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 08:17:42,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 08:17:42,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 08:17:42,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 08:17:42,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (1/1) ... [2024-11-05 08:17:42,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (1/1) ... [2024-11-05 08:17:42,376 INFO L138 Inliner]: procedures = 687, calls = 1048, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 77 [2024-11-05 08:17:42,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 08:17:42,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 08:17:42,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 08:17:42,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 08:17:42,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (1/1) ... [2024-11-05 08:17:42,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (1/1) ... [2024-11-05 08:17:42,405 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (1/1) ... [2024-11-05 08:17:42,424 INFO L175 MemorySlicer]: Split 24 memory accesses to 3 slices as follows [2, 5, 17]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 6 writes are split as follows [0, 0, 6]. [2024-11-05 08:17:42,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (1/1) ... [2024-11-05 08:17:42,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (1/1) ... [2024-11-05 08:17:42,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (1/1) ... [2024-11-05 08:17:42,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (1/1) ... [2024-11-05 08:17:42,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (1/1) ... [2024-11-05 08:17:42,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (1/1) ... [2024-11-05 08:17:42,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 08:17:42,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 08:17:42,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 08:17:42,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 08:17:42,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (1/1) ... [2024-11-05 08:17:42,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 08:17:42,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 08:17:42,486 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 08:17:42,493 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 08:17:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 08:17:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 08:17:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 08:17:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 08:17:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 08:17:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 08:17:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2024-11-05 08:17:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2024-11-05 08:17:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 08:17:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 08:17:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 08:17:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 08:17:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 08:17:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 08:17:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 08:17:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 08:17:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 08:17:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 08:17:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 08:17:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 08:17:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 08:17:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 08:17:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 08:17:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2024-11-05 08:17:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2024-11-05 08:17:42,792 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 08:17:42,798 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 08:17:43,377 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-05 08:17:43,378 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 08:17:43,390 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 08:17:43,390 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 08:17:43,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:17:43 BoogieIcfgContainer [2024-11-05 08:17:43,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 08:17:43,393 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 08:17:43,394 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 08:17:43,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 08:17:43,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:17:40" (1/3) ... [2024-11-05 08:17:43,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de1f74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:17:43, skipping insertion in model container [2024-11-05 08:17:43,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:17:42" (2/3) ... [2024-11-05 08:17:43,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de1f74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:17:43, skipping insertion in model container [2024-11-05 08:17:43,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:17:43" (3/3) ... [2024-11-05 08:17:43,400 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_linked_list_insert_after_harness.i [2024-11-05 08:17:43,416 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 08:17:43,416 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 08:17:43,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 08:17:43,476 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;@6a1b19ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 08:17:43,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 08:17:43,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 38 states have internal predecessors, (44), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-05 08:17:43,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-05 08:17:43,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:17:43,488 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 08:17:43,489 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:17:43,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:17:43,493 INFO L85 PathProgramCache]: Analyzing trace with hash 901746988, now seen corresponding path program 1 times [2024-11-05 08:17:43,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:17:43,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [73082909] [2024-11-05 08:17:43,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:17:43,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 08:17:43,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:17:43,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 08:17:43,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 08:17:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 08:17:43,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 08:17:43,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 08:17:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-05 08:17:43,775 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 08:17:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-05 08:17:43,820 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 08:17:43,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [73082909] [2024-11-05 08:17:43,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [73082909] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 08:17:43,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 08:17:43,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 08:17:43,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111677109] [2024-11-05 08:17:43,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 08:17:43,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 08:17:43,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 08:17:43,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 08:17:43,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 08:17:43,849 INFO L87 Difference]: Start difference. First operand has 63 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 38 states have internal predecessors, (44), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-05 08:17:43,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 08:17:43,871 INFO L93 Difference]: Finished difference Result 122 states and 174 transitions. [2024-11-05 08:17:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 08:17:43,873 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2024-11-05 08:17:43,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 08:17:43,879 INFO L225 Difference]: With dead ends: 122 [2024-11-05 08:17:43,880 INFO L226 Difference]: Without dead ends: 58 [2024-11-05 08:17:43,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 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 08:17:43,885 INFO L432 NwaCegarLoop]: 82 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, 82 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 08:17:43,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 08:17:43,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-05 08:17:43,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-05 08:17:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 34 states have internal predecessors, (38), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-05 08:17:43,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2024-11-05 08:17:43,927 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 34 [2024-11-05 08:17:43,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 08:17:43,928 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2024-11-05 08:17:43,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-05 08:17:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2024-11-05 08:17:43,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-05 08:17:43,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:17:43,930 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 08:17:43,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-05 08:17:44,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 08:17:44,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:17:44,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:17:44,132 INFO L85 PathProgramCache]: Analyzing trace with hash 99533352, now seen corresponding path program 1 times [2024-11-05 08:17:44,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:17:44,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303526982] [2024-11-05 08:17:44,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:17:44,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 08:17:44,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:17:44,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 08:17:44,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 08:17:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 08:17:44,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-05 08:17:44,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 08:17:44,567 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-05 08:17:44,592 INFO L349 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2024-11-05 08:17:44,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 35 treesize of output 27 [2024-11-05 08:17:44,625 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-05 08:17:44,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2024-11-05 08:17:48,705 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_1| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_1|) (_ bv0 64)) |v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_1|))) is different from true [2024-11-05 08:17:52,812 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_2| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_2|) (_ bv0 64)) |v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_2|))) is different from true [2024-11-05 08:17:56,930 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_3| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_3|) (_ bv0 64)) |v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_3|))) is different from true [2024-11-05 08:17:57,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-05 08:17:57,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 133 [2024-11-05 08:17:57,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-05 08:17:57,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 80 [2024-11-05 08:17:57,298 INFO L349 Elim1Store]: treesize reduction 103, result has 16.3 percent of original size [2024-11-05 08:17:57,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 164 treesize of output 135 [2024-11-05 08:17:57,366 INFO L349 Elim1Store]: treesize reduction 76, result has 10.6 percent of original size [2024-11-05 08:17:57,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 160 treesize of output 85 [2024-11-05 08:17:57,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-05 08:17:57,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2024-11-05 08:17:57,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 19 [2024-11-05 08:17:57,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2024-11-05 08:17:58,567 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 11 not checked. [2024-11-05 08:17:58,567 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 08:18:00,905 INFO L349 Elim1Store]: treesize reduction 96, result has 45.8 percent of original size [2024-11-05 08:18:00,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 252 treesize of output 281 [2024-11-05 08:18:00,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-05 08:18:00,990 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 3277 treesize of output 3253 [2024-11-05 08:18:01,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 696 treesize of output 672 [2024-11-05 08:18:01,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-05 08:18:01,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 462 treesize of output 460 [2024-11-05 08:18:01,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2024-11-05 08:18:01,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 170 [2024-11-05 08:18:02,021 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-05 08:18:02,021 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 08:18:02,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303526982] [2024-11-05 08:18:02,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [303526982] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 08:18:02,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 08:18:02,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2024-11-05 08:18:02,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285829801] [2024-11-05 08:18:02,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 08:18:02,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 08:18:02,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 08:18:02,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 08:18:02,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=298, Unknown=3, NotChecked=108, Total=462 [2024-11-05 08:18:02,024 INFO L87 Difference]: Start difference. First operand 58 states and 77 transitions. Second operand has 10 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-05 08:18:05,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 08:18:05,407 INFO L93 Difference]: Finished difference Result 69 states and 92 transitions. [2024-11-05 08:18:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 08:18:05,408 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2024-11-05 08:18:05,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 08:18:05,411 INFO L225 Difference]: With dead ends: 69 [2024-11-05 08:18:05,411 INFO L226 Difference]: Without dead ends: 67 [2024-11-05 08:18:05,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=65, Invalid=406, Unknown=3, NotChecked=126, Total=600 [2024-11-05 08:18:05,412 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 11 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-05 08:18:05,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 462 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-05 08:18:05,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-05 08:18:05,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2024-11-05 08:18:05,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 38 states have (on average 1.131578947368421) internal successors, (43), 40 states have internal predecessors, (43), 21 states have call successors, (21), 5 states have call predecessors, (21), 6 states have return successors, (25), 20 states have call predecessors, (25), 20 states have call successors, (25) [2024-11-05 08:18:05,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 89 transitions. [2024-11-05 08:18:05,428 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 89 transitions. Word has length 34 [2024-11-05 08:18:05,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 08:18:05,428 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 89 transitions. [2024-11-05 08:18:05,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-05 08:18:05,429 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2024-11-05 08:18:05,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-05 08:18:05,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:18:05,430 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 08:18:05,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-05 08:18:05,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 08:18:05,632 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:18:05,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:18:05,632 INFO L85 PathProgramCache]: Analyzing trace with hash -709813274, now seen corresponding path program 1 times [2024-11-05 08:18:05,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:18:05,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211547365] [2024-11-05 08:18:05,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:18:05,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 08:18:05,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:18:05,636 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 08:18:05,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-05 08:18:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 08:18:05,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-05 08:18:05,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 08:18:09,395 INFO L349 Elim1Store]: treesize reduction 420, result has 34.1 percent of original size [2024-11-05 08:18:09,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 430 treesize of output 1059 [2024-11-05 08:18:09,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 641 treesize of output 565 [2024-11-05 08:18:09,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2024-11-05 08:18:31,947 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-05 08:18:31,982 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-05 08:18:31,997 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-11-05 08:18:31,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 4320 treesize of output 4260 [2024-11-05 08:18:32,643 INFO L224 Elim1Store]: Index analysis took 101 ms [2024-11-05 08:18:33,346 INFO L349 Elim1Store]: treesize reduction 143, result has 14.9 percent of original size [2024-11-05 08:18:33,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 2830 treesize of output 2780 [2024-11-05 08:19:04,466 INFO L190 IndexEqualityManager]: detected not equals via solver