/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_hash_table_swap_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 13:57:46,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 13:57:46,158 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 13:57:46,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 13:57:46,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 13:57:46,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 13:57:46,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 13:57:46,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 13:57:46,195 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 13:57:46,196 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 13:57:46,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 13:57:46,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 13:57:46,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 13:57:46,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 13:57:46,197 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 13:57:46,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 13:57:46,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 13:57:46,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 13:57:46,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 13:57:46,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 13:57:46,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 13:57:46,203 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 13:57:46,203 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 13:57:46,203 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 13:57:46,203 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 13:57:46,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 13:57:46,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 13:57:46,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 13:57:46,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 13:57:46,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 13:57:46,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 13:57:46,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 13:57:46,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 13:57:46,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 13:57:46,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 13:57:46,206 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 13:57:46,207 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 13:57:46,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 13:57:46,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 13:57:46,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 13:57:46,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 13:57:46,207 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 13:57:46,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 13:57:46,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 13:57:46,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 13:57:46,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 13:57:46,463 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 13:57:46,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_hash_table_swap_harness.i [2024-11-05 13:57:47,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 13:57:48,279 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 13:57:48,279 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_table_swap_harness.i [2024-11-05 13:57:48,334 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63b52dc8b/fef0333576ed49b39ea9509b4f1a9c62/FLAGe6bcde27a [2024-11-05 13:57:48,355 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63b52dc8b/fef0333576ed49b39ea9509b4f1a9c62 [2024-11-05 13:57:48,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 13:57:48,359 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 13:57:48,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 13:57:48,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 13:57:48,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 13:57:48,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:57:48" (1/1) ... [2024-11-05 13:57:48,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623f3d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:48, skipping insertion in model container [2024-11-05 13:57:48,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:57:48" (1/1) ... [2024-11-05 13:57:48,449 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 13:57:48,711 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_table_swap_harness.i[4493,4506] [2024-11-05 13:57:48,721 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_hash_table_swap_harness.i[4553,4566] [2024-11-05 13:57:49,270 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,408 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,408 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,409 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,423 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,425 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,425 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,425 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,426 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,426 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,427 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,430 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,430 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,432 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,432 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,444 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,444 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,445 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,445 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,448 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,449 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,449 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,450 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,451 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,452 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,452 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,453 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,453 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:49,696 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,696 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,696 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,697 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,799 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,927 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,931 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,938 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,959 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,971 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,978 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:49,998 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,001 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,029 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,057 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,058 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,065 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,067 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,080 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,080 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,086 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,091 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,103 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,108 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:57:50,184 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 13:57:50,219 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 13:57:50,225 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_hash_table_swap_harness.i[4493,4506] [2024-11-05 13:57:50,225 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_hash_table_swap_harness.i[4553,4566] [2024-11-05 13:57:50,256 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,269 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,269 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,269 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,276 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,278 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,285 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,285 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,286 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,286 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,288 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,289 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,289 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,292 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,293 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,293 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,293 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,293 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,294 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,294 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,294 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,294 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,295 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,331 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,332 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,332 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,332 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,362 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,399 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,426 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,434 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,439 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,444 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,448 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,455 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,458 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,467 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,467 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,474 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,475 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,479 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,479 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,480 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,481 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,481 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,481 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,481 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,482 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,482 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,483 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,490 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,491 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:57:50,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:57:50,520 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 13:57:50,534 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_hash_table_swap_harness.i[4493,4506] [2024-11-05 13:57:50,534 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_hash_table_swap_harness.i[4553,4566] [2024-11-05 13:57:50,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,570 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,570 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2024-11-05 13:57:50,678 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,678 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,685 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,685 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,692 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,694 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,694 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,694 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,694 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:57:50,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:57:50,847 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-05 13:57:50,854 INFO L204 MainTranslator]: Completed translation [2024-11-05 13:57:50,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50 WrapperNode [2024-11-05 13:57:50,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 13:57:50,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 13:57:50,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 13:57:50,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 13:57:50,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (1/1) ... [2024-11-05 13:57:50,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (1/1) ... [2024-11-05 13:57:51,014 INFO L138 Inliner]: procedures = 784, calls = 2436, calls flagged for inlining = 68, calls inlined = 9, statements flattened = 594 [2024-11-05 13:57:51,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 13:57:51,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 13:57:51,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 13:57:51,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 13:57:51,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (1/1) ... [2024-11-05 13:57:51,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (1/1) ... [2024-11-05 13:57:51,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (1/1) ... [2024-11-05 13:57:51,133 INFO L175 MemorySlicer]: Split 284 memory accesses to 9 slices as follows [2, 2, 238, 3, 17, 2, 6, 9, 5]. 84 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 6, 0, 0, 0, 0, 0, 5]. The 240 writes are split as follows [0, 0, 232, 1, 1, 1, 2, 3, 0]. [2024-11-05 13:57:51,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (1/1) ... [2024-11-05 13:57:51,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (1/1) ... [2024-11-05 13:57:51,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (1/1) ... [2024-11-05 13:57:51,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (1/1) ... [2024-11-05 13:57:51,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (1/1) ... [2024-11-05 13:57:51,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (1/1) ... [2024-11-05 13:57:51,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 13:57:51,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 13:57:51,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 13:57:51,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 13:57:51,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (1/1) ... [2024-11-05 13:57:51,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 13:57:51,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 13:57:51,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 13:57:51,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 13:57:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-05 13:57:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-05 13:57:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-05 13:57:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-05 13:57:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-05 13:57:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-05 13:57:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-05 13:57:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-05 13:57:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-05 13:57:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2024-11-05 13:57:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2024-11-05 13:57:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 13:57:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 13:57:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 13:57:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 13:57:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2024-11-05 13:57:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2024-11-05 13:57:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 13:57:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 13:57:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 13:57:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-05 13:57:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 13:57:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 13:57:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 13:57:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 13:57:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 13:57:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 13:57:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 13:57:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 13:57:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 13:57:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 13:57:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-05 13:57:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-05 13:57:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 13:57:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 13:57:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 13:57:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 13:57:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 13:57:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 13:57:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 13:57:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 13:57:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 13:57:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-05 13:57:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-05 13:57:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 13:57:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 13:57:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 13:57:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 13:57:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 13:57:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 13:57:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 13:57:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2024-11-05 13:57:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 13:57:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2024-11-05 13:57:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 13:57:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 13:57:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 13:57:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 13:57:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 13:57:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 13:57:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 13:57:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 13:57:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 13:57:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 13:57:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 13:57:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 13:57:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 13:57:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 13:57:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 13:57:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2024-11-05 13:57:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2024-11-05 13:57:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2024-11-05 13:57:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-05 13:57:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-05 13:57:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-05 13:57:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-05 13:57:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2024-11-05 13:57:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2024-11-05 13:57:51,570 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 13:57:51,572 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 13:57:59,182 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-05 13:57:59,182 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 13:57:59,199 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 13:57:59,199 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 13:57:59,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:57:59 BoogieIcfgContainer [2024-11-05 13:57:59,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 13:57:59,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 13:57:59,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 13:57:59,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 13:57:59,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 01:57:48" (1/3) ... [2024-11-05 13:57:59,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2124914d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:57:59, skipping insertion in model container [2024-11-05 13:57:59,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:57:50" (2/3) ... [2024-11-05 13:57:59,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2124914d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:57:59, skipping insertion in model container [2024-11-05 13:57:59,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:57:59" (3/3) ... [2024-11-05 13:57:59,208 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_swap_harness.i [2024-11-05 13:57:59,222 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 13:57:59,222 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 13:57:59,300 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 13:57:59,305 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;@789b57a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 13:57:59,306 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 13:57:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 79 states have (on average 1.1898734177215189) internal successors, (94), 84 states have internal predecessors, (94), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-05 13:57:59,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-05 13:57:59,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:57:59,321 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] [2024-11-05 13:57:59,321 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:57:59,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:57:59,327 INFO L85 PathProgramCache]: Analyzing trace with hash 601041214, now seen corresponding path program 1 times [2024-11-05 13:57:59,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:57:59,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933338702] [2024-11-05 13:57:59,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:57:59,336 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:57:59,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:57:59,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:57:59,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 13:58:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:58:04,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 13:58:04,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:58:05,424 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 13:58:05,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:58:06,190 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 13:58:06,191 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:58:06,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933338702] [2024-11-05 13:58:06,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [933338702] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 13:58:06,191 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 13:58:06,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 13:58:06,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860399569] [2024-11-05 13:58:06,193 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 13:58:06,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 13:58:06,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:58:06,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 13:58:06,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 13:58:06,210 INFO L87 Difference]: Start difference. First operand has 132 states, 79 states have (on average 1.1898734177215189) internal successors, (94), 84 states have internal predecessors, (94), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-05 13:58:06,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:58:06,494 INFO L93 Difference]: Finished difference Result 271 states and 363 transitions. [2024-11-05 13:58:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 13:58:06,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2024-11-05 13:58:06,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:58:06,502 INFO L225 Difference]: With dead ends: 271 [2024-11-05 13:58:06,502 INFO L226 Difference]: Without dead ends: 138 [2024-11-05 13:58:06,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 13:58:06,507 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 2 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 13:58:06,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 317 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-05 13:58:06,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-05 13:58:06,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-05 13:58:06,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 81 states have (on average 1.1604938271604939) internal successors, (94), 85 states have internal predecessors, (94), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-05 13:58:06,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 173 transitions. [2024-11-05 13:58:06,544 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 173 transitions. Word has length 25 [2024-11-05 13:58:06,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:58:06,545 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 173 transitions. [2024-11-05 13:58:06,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-05 13:58:06,545 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 173 transitions. [2024-11-05 13:58:06,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-05 13:58:06,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:58:06,547 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 13:58:06,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 13:58:06,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:58:06,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:58:06,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:58:06,752 INFO L85 PathProgramCache]: Analyzing trace with hash -122545327, now seen corresponding path program 1 times [2024-11-05 13:58:06,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:58:06,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793859679] [2024-11-05 13:58:06,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:58:06,752 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:58:06,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:58:06,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:58:06,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 13:58:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:58:12,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 2188 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 13:58:12,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:58:12,772 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 13:58:12,773 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:58:13,691 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 13:58:13,692 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:58:13,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793859679] [2024-11-05 13:58:13,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [793859679] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 13:58:13,692 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 13:58:13,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 13:58:13,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744343019] [2024-11-05 13:58:13,692 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 13:58:13,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 13:58:13,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:58:13,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 13:58:13,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 13:58:13,703 INFO L87 Difference]: Start difference. First operand 138 states and 173 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-05 13:58:13,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:58:13,894 INFO L93 Difference]: Finished difference Result 186 states and 230 transitions. [2024-11-05 13:58:13,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 13:58:13,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2024-11-05 13:58:13,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:58:13,896 INFO L225 Difference]: With dead ends: 186 [2024-11-05 13:58:13,897 INFO L226 Difference]: Without dead ends: 147 [2024-11-05 13:58:13,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 13:58:13,899 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 2 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 13:58:13,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 308 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 13:58:13,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-05 13:58:13,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-05 13:58:13,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 86 states have (on average 1.1395348837209303) internal successors, (98), 89 states have internal predecessors, (98), 44 states have call successors, (44), 16 states have call predecessors, (44), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-05 13:58:13,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 184 transitions. [2024-11-05 13:58:13,912 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 184 transitions. Word has length 26 [2024-11-05 13:58:13,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:58:13,913 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 184 transitions. [2024-11-05 13:58:13,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-05 13:58:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 184 transitions. [2024-11-05 13:58:13,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-05 13:58:13,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:58:13,918 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:58:13,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-05 13:58:14,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:58:14,119 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:58:14,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:58:14,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1710609413, now seen corresponding path program 1 times [2024-11-05 13:58:14,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:58:14,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803764700] [2024-11-05 13:58:14,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:58:14,119 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:58:14,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:58:14,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:58:14,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 13:58:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:58:19,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 2640 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 13:58:19,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:58:20,430 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-05 13:58:20,430 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:58:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-05 13:58:26,796 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:58:26,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803764700] [2024-11-05 13:58:26,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [803764700] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 13:58:26,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 13:58:26,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2024-11-05 13:58:26,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686429647] [2024-11-05 13:58:26,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 13:58:26,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-05 13:58:26,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:58:26,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-05 13:58:26,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-05 13:58:26,798 INFO L87 Difference]: Start difference. First operand 147 states and 184 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 13:58:27,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:58:27,163 INFO L93 Difference]: Finished difference Result 292 states and 372 transitions. [2024-11-05 13:58:27,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 13:58:27,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 122 [2024-11-05 13:58:27,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:58:27,165 INFO L225 Difference]: With dead ends: 292 [2024-11-05 13:58:27,165 INFO L226 Difference]: Without dead ends: 151 [2024-11-05 13:58:27,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-05 13:58:27,170 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 13:58:27,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 612 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-05 13:58:27,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-05 13:58:27,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-05 13:58:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 89 states have (on average 1.1348314606741574) internal successors, (101), 92 states have internal predecessors, (101), 44 states have call successors, (44), 16 states have call predecessors, (44), 17 states have return successors, (43), 43 states have call predecessors, (43), 42 states have call successors, (43) [2024-11-05 13:58:27,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 188 transitions. [2024-11-05 13:58:27,180 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 188 transitions. Word has length 122 [2024-11-05 13:58:27,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:58:27,180 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 188 transitions. [2024-11-05 13:58:27,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 13:58:27,180 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2024-11-05 13:58:27,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-05 13:58:27,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:58:27,182 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:58:27,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-05 13:58:27,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:58:27,383 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:58:27,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:58:27,384 INFO L85 PathProgramCache]: Analyzing trace with hash -424317567, now seen corresponding path program 1 times [2024-11-05 13:58:27,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:58:27,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699885962] [2024-11-05 13:58:27,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:58:27,384 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:58:27,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:58:27,385 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:58:27,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 13:58:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:58:32,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 2600 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 13:58:32,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:58:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-05 13:58:33,667 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:58:43,272 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-05 13:58:43,272 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:58:43,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699885962] [2024-11-05 13:58:43,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [699885962] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 13:58:43,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 13:58:43,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2024-11-05 13:58:43,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267575406] [2024-11-05 13:58:43,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 13:58:43,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 13:58:43,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:58:43,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 13:58:43,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-05 13:58:43,274 INFO L87 Difference]: Start difference. First operand 151 states and 188 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-05 13:58:45,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:58:45,663 INFO L93 Difference]: Finished difference Result 299 states and 375 transitions. [2024-11-05 13:58:45,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 13:58:45,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 134 [2024-11-05 13:58:45,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:58:45,666 INFO L225 Difference]: With dead ends: 299 [2024-11-05 13:58:45,666 INFO L226 Difference]: Without dead ends: 153 [2024-11-05 13:58:45,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-05 13:58:45,668 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-05 13:58:45,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 705 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-05 13:58:45,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-05 13:58:45,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-05 13:58:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 90 states have (on average 1.1333333333333333) internal successors, (102), 94 states have internal predecessors, (102), 44 states have call successors, (44), 16 states have call predecessors, (44), 18 states have return successors, (44), 43 states have call predecessors, (44), 42 states have call successors, (44) [2024-11-05 13:58:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 190 transitions. [2024-11-05 13:58:45,686 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 190 transitions. Word has length 134 [2024-11-05 13:58:45,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:58:45,688 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 190 transitions. [2024-11-05 13:58:45,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-05 13:58:45,689 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 190 transitions. [2024-11-05 13:58:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-05 13:58:45,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:58:45,690 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:58:45,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-05 13:58:45,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:58:45,891 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:58:45,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:58:45,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1725913998, now seen corresponding path program 1 times [2024-11-05 13:58:45,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:58:45,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216619526] [2024-11-05 13:58:45,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:58:45,893 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:58:45,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:58:45,895 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:58:45,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 13:58:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:58:50,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 2692 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 13:58:50,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:58:52,532 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-05 13:58:52,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:59:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-05 13:59:01,118 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:59:01,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216619526] [2024-11-05 13:59:01,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1216619526] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 13:59:01,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 13:59:01,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-11-05 13:59:01,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371973084] [2024-11-05 13:59:01,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 13:59:01,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 13:59:01,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:59:01,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 13:59:01,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-05 13:59:01,120 INFO L87 Difference]: Start difference. First operand 153 states and 190 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-05 13:59:04,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:59:04,143 INFO L93 Difference]: Finished difference Result 264 states and 325 transitions. [2024-11-05 13:59:04,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-05 13:59:04,145 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 140 [2024-11-05 13:59:04,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:59:04,147 INFO L225 Difference]: With dead ends: 264 [2024-11-05 13:59:04,147 INFO L226 Difference]: Without dead ends: 156 [2024-11-05 13:59:04,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-05 13:59:04,148 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-05 13:59:04,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 843 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-05 13:59:04,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-05 13:59:04,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-05 13:59:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 92 states have (on average 1.1304347826086956) internal successors, (104), 97 states have internal predecessors, (104), 44 states have call successors, (44), 16 states have call predecessors, (44), 19 states have return successors, (48), 43 states have call predecessors, (48), 42 states have call successors, (48) [2024-11-05 13:59:04,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 196 transitions. [2024-11-05 13:59:04,161 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 196 transitions. Word has length 140 [2024-11-05 13:59:04,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:59:04,161 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 196 transitions. [2024-11-05 13:59:04,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-05 13:59:04,162 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 196 transitions. [2024-11-05 13:59:04,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-05 13:59:04,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:59:04,163 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:59:04,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Forceful destruction successful, exit code 0 [2024-11-05 13:59:04,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:59:04,364 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:59:04,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:59:04,364 INFO L85 PathProgramCache]: Analyzing trace with hash 692145477, now seen corresponding path program 1 times [2024-11-05 13:59:04,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:59:04,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871164914] [2024-11-05 13:59:04,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:59:04,364 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:59:04,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:59:04,366 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:59:04,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 13:59:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:59:09,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 2706 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 13:59:09,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:59:10,544 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-05 13:59:10,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:59:19,451 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-05 13:59:19,452 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:59:19,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871164914] [2024-11-05 13:59:19,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [871164914] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 13:59:19,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 13:59:19,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2024-11-05 13:59:19,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889739923] [2024-11-05 13:59:19,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 13:59:19,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 13:59:19,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:59:19,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 13:59:19,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-05 13:59:19,453 INFO L87 Difference]: Start difference. First operand 156 states and 196 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-05 13:59:21,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:59:21,599 INFO L93 Difference]: Finished difference Result 299 states and 373 transitions. [2024-11-05 13:59:21,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 13:59:21,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 146 [2024-11-05 13:59:21,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:59:21,606 INFO L225 Difference]: With dead ends: 299 [2024-11-05 13:59:21,606 INFO L226 Difference]: Without dead ends: 154 [2024-11-05 13:59:21,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-05 13:59:21,607 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-05 13:59:21,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 705 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-05 13:59:21,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-05 13:59:21,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2024-11-05 13:59:21,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 88 states have (on average 1.1136363636363635) internal successors, (98), 92 states have internal predecessors, (98), 44 states have call successors, (44), 16 states have call predecessors, (44), 17 states have return successors, (46), 42 states have call predecessors, (46), 42 states have call successors, (46) [2024-11-05 13:59:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 188 transitions. [2024-11-05 13:59:21,619 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 188 transitions. Word has length 146 [2024-11-05 13:59:21,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:59:21,620 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 188 transitions. [2024-11-05 13:59:21,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-05 13:59:21,620 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 188 transitions. [2024-11-05 13:59:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-05 13:59:21,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:59:21,624 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:59:21,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Forceful destruction successful, exit code 0 [2024-11-05 13:59:21,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:59:21,824 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:59:21,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:59:21,825 INFO L85 PathProgramCache]: Analyzing trace with hash 621627604, now seen corresponding path program 1 times [2024-11-05 13:59:21,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:59:21,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [964017806] [2024-11-05 13:59:21,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:59:21,825 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:59:21,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:59:21,827 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:59:21,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 13:59:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:59:26,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 2797 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-05 13:59:26,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:59:29,412 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-05 13:59:29,413 INFO L311 TraceCheckSpWp]: Computing backward predicates...