/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 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_hash_table_foreach_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:44:04,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:44:04,135 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 20:44:04,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:44:04,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:44:04,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:44:04,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:44:04,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:44:04,154 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:44:04,155 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:44:04,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:44:04,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:44:04,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:44:04,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:44:04,156 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:44:04,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:44:04,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:44:04,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:44:04,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:44:04,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:44:04,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:44:04,164 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:44:04,164 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:44:04,164 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:44:04,165 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:44:04,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:44:04,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:44:04,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:44:04,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:44:04,166 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:44:04,166 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:44:04,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:44:04,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:44:04,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:44:04,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:44:04,167 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:44:04,167 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:44:04,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:44:04,167 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:44:04,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:44:04,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:44:04,168 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:44:04,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:44:04,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:44:04,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:44:04,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:44:04,386 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:44:04,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_hash_table_foreach_harness_negated.i [2024-11-04 20:44:05,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:44:06,230 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:44:06,231 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_table_foreach_harness_negated.i [2024-11-04 20:44:06,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/440f4c5b3/7ddca9852c714e4f9fa604cebd8589e6/FLAGaaf74a90e [2024-11-04 20:44:06,371 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/440f4c5b3/7ddca9852c714e4f9fa604cebd8589e6 [2024-11-04 20:44:06,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:44:06,374 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:44:06,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:44:06,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:44:06,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:44:06,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:44:06" (1/1) ... [2024-11-04 20:44:06,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d598f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:06, skipping insertion in model container [2024-11-04 20:44:06,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:44:06" (1/1) ... [2024-11-04 20:44:06,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:44:06,865 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_foreach_harness_negated.i[4496,4509] [2024-11-04 20:44:06,876 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_foreach_harness_negated.i[4556,4569] [2024-11-04 20:44:08,105 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,197 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,198 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,198 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,215 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,221 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,222 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,223 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,227 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,228 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,230 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,230 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,247 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,247 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,248 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,249 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,250 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,252 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,252 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,252 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:08,598 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,599 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,599 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,600 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:08,710 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,006 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,016 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,030 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,053 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,075 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,093 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,100 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,133 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,134 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,166 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,176 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,176 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,190 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,196 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,197 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,197 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,197 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,197 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,200 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,216 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,218 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:44:09,285 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:44:09,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:44:09,335 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_foreach_harness_negated.i[4496,4509] [2024-11-04 20:44:09,336 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_foreach_harness_negated.i[4556,4569] [2024-11-04 20:44:09,355 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,368 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,368 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,368 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,376 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,377 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,378 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,378 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,386 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,386 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,391 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,391 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,398 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,399 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,399 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,399 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,400 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,401 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,401 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,401 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,402 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,403 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,445 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,445 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,446 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,446 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,471 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,511 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,518 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,526 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,532 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,536 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,541 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,549 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,556 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,568 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,568 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,580 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,584 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,584 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,589 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,590 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,596 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,605 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,607 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:09,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:44:09,644 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:44:09,662 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_foreach_harness_negated.i[4496,4509] [2024-11-04 20:44:09,663 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_foreach_harness_negated.i[4556,4569] [2024-11-04 20:44:09,704 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,711 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,712 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,712 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,713 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,714 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2024-11-04 20:44:09,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,827 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,827 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,830 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,830 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,839 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,839 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,840 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,840 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,840 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,840 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,840 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:09,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:44:10,114 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-04 20:44:10,123 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:44:10,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10 WrapperNode [2024-11-04 20:44:10,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:44:10,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:44:10,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:44:10,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:44:10,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (1/1) ... [2024-11-04 20:44:10,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (1/1) ... [2024-11-04 20:44:10,293 INFO L138 Inliner]: procedures = 785, calls = 2430, calls flagged for inlining = 71, calls inlined = 17, statements flattened = 910 [2024-11-04 20:44:10,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:44:10,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:44:10,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:44:10,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:44:10,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (1/1) ... [2024-11-04 20:44:10,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (1/1) ... [2024-11-04 20:44:10,329 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (1/1) ... [2024-11-04 20:44:10,427 INFO L175 MemorySlicer]: Split 377 memory accesses to 7 slices as follows [2, 73, 44, 249, 2, 2, 5]. 66 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 9, 0, 6, 0, 0, 5]. The 257 writes are split as follows [0, 14, 8, 233, 1, 1, 0]. [2024-11-04 20:44:10,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (1/1) ... [2024-11-04 20:44:10,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (1/1) ... [2024-11-04 20:44:10,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (1/1) ... [2024-11-04 20:44:10,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (1/1) ... [2024-11-04 20:44:10,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (1/1) ... [2024-11-04 20:44:10,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (1/1) ... [2024-11-04 20:44:10,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:44:10,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:44:10,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:44:10,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:44:10,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (1/1) ... [2024-11-04 20:44:10,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:44:10,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:44:10,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-04 20:44:10,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-04 20:44:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-04 20:44:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-04 20:44:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-04 20:44:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-04 20:44:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-04 20:44:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-04 20:44:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-04 20:44:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 20:44:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 20:44:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:44:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:44:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2024-11-04 20:44:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2024-11-04 20:44:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:44:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:44:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 20:44:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 20:44:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 20:44:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 20:44:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 20:44:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 20:44:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 20:44:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-04 20:44:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-04 20:44:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-04 20:44:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-04 20:44:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-04 20:44:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-04 20:44:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-04 20:44:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-04 20:44:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-04 20:44:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-04 20:44:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-04 20:44:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-04 20:44:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-04 20:44:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-04 20:44:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:44:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-04 20:44:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-04 20:44:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 20:44:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 20:44:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 20:44:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 20:44:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 20:44:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 20:44:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 20:44:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 20:44:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 20:44:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 20:44:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 20:44:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 20:44:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 20:44:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 20:44:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 20:44:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 20:44:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2024-11-04 20:44:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 20:44:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2024-11-04 20:44:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-04 20:44:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-04 20:44:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-04 20:44:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-04 20:44:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-04 20:44:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-04 20:44:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-04 20:44:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-04 20:44:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2024-11-04 20:44:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2024-11-04 20:44:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:44:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:44:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_int [2024-11-04 20:44:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_int [2024-11-04 20:44:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2024-11-04 20:44:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2024-11-04 20:44:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 20:44:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 20:44:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 20:44:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 20:44:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 20:44:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 20:44:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2024-11-04 20:44:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-04 20:44:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 20:44:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 20:44:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-04 20:44:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-04 20:44:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2024-11-04 20:44:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2024-11-04 20:44:11,015 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:44:11,021 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:44:12,218 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !true; [2024-11-04 20:44:12,219 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2024-11-04 20:44:23,048 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !true; [2024-11-04 20:44:23,188 INFO L? ?]: Removed 257 outVars from TransFormulas that were not future-live. [2024-11-04 20:44:23,189 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:44:23,210 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:44:23,210 INFO L316 CfgBuilder]: Removed 13 assume(true) statements. [2024-11-04 20:44:23,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:44:23 BoogieIcfgContainer [2024-11-04 20:44:23,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:44:23,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:44:23,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:44:23,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:44:23,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:44:06" (1/3) ... [2024-11-04 20:44:23,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a31fcc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:44:23, skipping insertion in model container [2024-11-04 20:44:23,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:10" (2/3) ... [2024-11-04 20:44:23,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a31fcc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:44:23, skipping insertion in model container [2024-11-04 20:44:23,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:44:23" (3/3) ... [2024-11-04 20:44:23,218 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_foreach_harness_negated.i [2024-11-04 20:44:23,230 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:44:23,230 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:44:23,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:44:23,292 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;@48b03002, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:44:23,292 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:44:23,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 261 states, 172 states have (on average 1.2848837209302326) internal successors, (221), 169 states have internal predecessors, (221), 71 states have call successors, (71), 20 states have call predecessors, (71), 20 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-04 20:44:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-04 20:44:23,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:44:23,311 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:44:23,311 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:44:23,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:44:23,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1453380158, now seen corresponding path program 1 times [2024-11-04 20:44:23,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:44:23,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323643708] [2024-11-04 20:44:23,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:44:23,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:44:23,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:44:23,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:44:23,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 20:44:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:44:30,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 2580 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:44:30,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:44:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:44:30,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:44:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:44:33,631 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:44:33,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323643708] [2024-11-04 20:44:33,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1323643708] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:44:33,631 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:44:33,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:44:33,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383484426] [2024-11-04 20:44:33,639 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:44:33,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:44:33,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:44:33,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:44:33,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:44:33,686 INFO L87 Difference]: Start difference. First operand has 261 states, 172 states have (on average 1.2848837209302326) internal successors, (221), 169 states have internal predecessors, (221), 71 states have call successors, (71), 20 states have call predecessors, (71), 20 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-04 20:44:33,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:44:33,745 INFO L93 Difference]: Finished difference Result 513 states and 753 transitions. [2024-11-04 20:44:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:44:33,749 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 118 [2024-11-04 20:44:33,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:44:33,763 INFO L225 Difference]: With dead ends: 513 [2024-11-04 20:44:33,764 INFO L226 Difference]: Without dead ends: 255 [2024-11-04 20:44:33,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:44:33,774 INFO L432 NwaCegarLoop]: 349 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-04 20:44:33,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:44:33,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-04 20:44:33,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2024-11-04 20:44:33,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 163 states have (on average 1.2453987730061349) internal successors, (203), 164 states have internal predecessors, (203), 71 states have call successors, (71), 20 states have call predecessors, (71), 20 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-04 20:44:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 344 transitions. [2024-11-04 20:44:33,840 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 344 transitions. Word has length 118 [2024-11-04 20:44:33,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:44:33,840 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 344 transitions. [2024-11-04 20:44:33,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-04 20:44:33,841 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 344 transitions. [2024-11-04 20:44:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-04 20:44:33,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:44:33,845 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:44:33,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-04 20:44:34,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:44:34,047 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:44:34,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:44:34,048 INFO L85 PathProgramCache]: Analyzing trace with hash 502734018, now seen corresponding path program 1 times [2024-11-04 20:44:34,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:44:34,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002245270] [2024-11-04 20:44:34,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:44:34,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:44:34,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:44:34,051 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:44:34,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 20:44:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:44:39,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 2596 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 20:44:39,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:44:40,837 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-04 20:44:40,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:44:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:44:44,453 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:44:44,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002245270] [2024-11-04 20:44:44,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2002245270] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:44:44,453 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:44:44,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-04 20:44:44,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124449107] [2024-11-04 20:44:44,453 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:44:44,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-04 20:44:44,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:44:44,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-04 20:44:44,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-04 20:44:44,456 INFO L87 Difference]: Start difference. First operand 255 states and 344 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-04 20:44:44,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:44:44,878 INFO L93 Difference]: Finished difference Result 471 states and 642 transitions. [2024-11-04 20:44:44,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 20:44:44,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 124 [2024-11-04 20:44:44,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:44:44,881 INFO L225 Difference]: With dead ends: 471 [2024-11-04 20:44:44,881 INFO L226 Difference]: Without dead ends: 259 [2024-11-04 20:44:44,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-04 20:44:44,886 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 0 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-04 20:44:44,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1364 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-04 20:44:44,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-04 20:44:44,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2024-11-04 20:44:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 166 states have (on average 1.2409638554216869) internal successors, (206), 167 states have internal predecessors, (206), 71 states have call successors, (71), 20 states have call predecessors, (71), 21 states have return successors, (71), 71 states have call predecessors, (71), 70 states have call successors, (71) [2024-11-04 20:44:44,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 348 transitions. [2024-11-04 20:44:44,913 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 348 transitions. Word has length 124 [2024-11-04 20:44:44,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:44:44,914 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 348 transitions. [2024-11-04 20:44:44,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-04 20:44:44,914 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 348 transitions. [2024-11-04 20:44:44,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-04 20:44:44,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:44:44,916 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:44:44,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-04 20:44:45,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:44:45,119 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:44:45,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:44:45,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1556615630, now seen corresponding path program 1 times [2024-11-04 20:44:45,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:44:45,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494173697] [2024-11-04 20:44:45,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:44:45,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:44:45,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:44:45,127 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:44:45,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 20:44:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:44:51,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 2576 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 20:44:51,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:44:53,678 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:44:53,678 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:44:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:44:59,306 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:44:59,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494173697] [2024-11-04 20:44:59,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [494173697] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:44:59,306 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:44:59,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2024-11-04 20:44:59,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458305539] [2024-11-04 20:44:59,307 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:44:59,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-04 20:44:59,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:44:59,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-04 20:44:59,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-04 20:44:59,312 INFO L87 Difference]: Start difference. First operand 259 states and 348 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-04 20:45:02,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 20:45:06,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 20:45:14,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 20:45:15,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:45:15,987 INFO L93 Difference]: Finished difference Result 467 states and 652 transitions. [2024-11-04 20:45:15,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-04 20:45:15,988 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 130 [2024-11-04 20:45:15,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:45:15,994 INFO L225 Difference]: With dead ends: 467 [2024-11-04 20:45:15,994 INFO L226 Difference]: Without dead ends: 282 [2024-11-04 20:45:15,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-04 20:45:15,995 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 58 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2024-11-04 20:45:15,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1872 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 16.3s Time] [2024-11-04 20:45:15,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-04 20:45:16,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 276. [2024-11-04 20:45:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 176 states have (on average 1.2386363636363635) internal successors, (218), 178 states have internal predecessors, (218), 76 states have call successors, (76), 21 states have call predecessors, (76), 23 states have return successors, (83), 76 states have call predecessors, (83), 75 states have call successors, (83) [2024-11-04 20:45:16,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 377 transitions. [2024-11-04 20:45:16,023 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 377 transitions. Word has length 130 [2024-11-04 20:45:16,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:45:16,024 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 377 transitions. [2024-11-04 20:45:16,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-04 20:45:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 377 transitions. [2024-11-04 20:45:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-04 20:45:16,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:45:16,026 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:45:16,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-04 20:45:16,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:45:16,233 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:45:16,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:45:16,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1267785104, now seen corresponding path program 1 times [2024-11-04 20:45:16,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:45:16,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524395424] [2024-11-04 20:45:16,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:45:16,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:45:16,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:45:16,236 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:45:16,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-04 20:45:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:45:22,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 2579 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-04 20:45:22,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:45:22,641 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-04 20:45:22,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:45:27,540 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:45:27,541 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:45:27,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [524395424] [2024-11-04 20:45:27,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [524395424] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:45:27,541 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:45:27,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 20:45:27,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831662] [2024-11-04 20:45:27,542 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:45:27,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 20:45:27,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:45:27,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 20:45:27,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:45:27,544 INFO L87 Difference]: Start difference. First operand 276 states and 377 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-04 20:45:28,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:45:28,030 INFO L93 Difference]: Finished difference Result 488 states and 677 transitions. [2024-11-04 20:45:28,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 20:45:28,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 131 [2024-11-04 20:45:28,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:45:28,039 INFO L225 Difference]: With dead ends: 488 [2024-11-04 20:45:28,039 INFO L226 Difference]: Without dead ends: 278 [2024-11-04 20:45:28,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:45:28,041 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 0 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-04 20:45:28,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1365 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-04 20:45:28,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-04 20:45:28,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2024-11-04 20:45:28,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 178 states have (on average 1.2359550561797752) internal successors, (220), 180 states have internal predecessors, (220), 76 states have call successors, (76), 21 states have call predecessors, (76), 23 states have return successors, (83), 76 states have call predecessors, (83), 75 states have call successors, (83) [2024-11-04 20:45:28,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 379 transitions. [2024-11-04 20:45:28,054 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 379 transitions. Word has length 131 [2024-11-04 20:45:28,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:45:28,055 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 379 transitions. [2024-11-04 20:45:28,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-04 20:45:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 379 transitions. [2024-11-04 20:45:28,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-04 20:45:28,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:45:28,056 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:45:28,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-04 20:45:28,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:45:28,258 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:45:28,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:45:28,258 INFO L85 PathProgramCache]: Analyzing trace with hash 739790928, now seen corresponding path program 1 times [2024-11-04 20:45:28,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:45:28,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99967291] [2024-11-04 20:45:28,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:45:28,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:45:28,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:45:28,261 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:45:28,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-04 20:45:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:45:36,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-04 20:45:36,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:45:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-04 20:45:37,631 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:45:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:45:43,203 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:45:43,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99967291] [2024-11-04 20:45:43,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [99967291] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-04 20:45:43,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-04 20:45:43,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-04 20:45:43,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636937988] [2024-11-04 20:45:43,204 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-04 20:45:43,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-04 20:45:43,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:45:43,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-04 20:45:43,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-04 20:45:43,206 INFO L87 Difference]: Start difference. First operand 278 states and 379 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25)