/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_callback_c_str_eq_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:40:49,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:40:49,418 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 20:40:49,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:40:49,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:40:49,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:40:49,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:40:49,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:40:49,461 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:40:49,461 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:40:49,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:40:49,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:40:49,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:40:49,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:40:49,463 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:40:49,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:40:49,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:40:49,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:40:49,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:40:49,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:40:49,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:40:49,470 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:40:49,470 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:40:49,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:40:49,471 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:40:49,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:40:49,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:40:49,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:40:49,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:40:49,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:40:49,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:40:49,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:40:49,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:40:49,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:40:49,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:40:49,473 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:40:49,474 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:40:49,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:40:49,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:40:49,475 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:40:49,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:40:49,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:40:49,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:40:49,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:40:49,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:40:49,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:40:49,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:40:49,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2024-11-04 20:40:51,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:40:51,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:40:51,702 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2024-11-04 20:40:51,744 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42b064024/c975a023ff5e4e278ec4ac56f2d12167/FLAGfbf72ed5d [2024-11-04 20:40:51,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42b064024/c975a023ff5e4e278ec4ac56f2d12167 [2024-11-04 20:40:51,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:40:51,767 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:40:51,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:40:51,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:40:51,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:40:51,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:40:51" (1/1) ... [2024-11-04 20:40:51,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f483ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:51, skipping insertion in model container [2024-11-04 20:40:51,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:40:51" (1/1) ... [2024-11-04 20:40:51,885 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:40:52,205 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_callback_c_str_eq_harness.i[4500,4513] [2024-11-04 20:40:52,216 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_callback_c_str_eq_harness.i[4560,4573] [2024-11-04 20:40:52,994 WARN 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 20:40:53,124 WARN 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 20:40:53,125 WARN 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 20:40:53,125 WARN 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 20:40:53,169 WARN 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 20:40:53,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:53,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:53,172 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:53,172 WARN 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 20:40:53,173 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:53,173 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:53,176 WARN 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 20:40:53,176 WARN 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 20:40:53,178 WARN 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 20:40:53,178 WARN 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 20:40:53,185 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:53,186 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:53,186 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:53,186 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:53,188 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:53,188 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:53,188 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:53,189 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 20:40:53,563 WARN 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 20:40:53,563 WARN 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 20:40:53,564 WARN 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 20:40:53,564 WARN 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 20:40:53,777 WARN 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 20:40:53,799 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:53,803 WARN 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 20:40:53,807 WARN 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 20:40:53,847 WARN 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 20:40:53,848 WARN 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 20:40:53,850 WARN 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 20:40:53,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:53,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:53,994 WARN 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 20:40:54,001 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:54,008 WARN 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 20:40:54,022 WARN 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 20:40:54,032 WARN 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 20:40:54,042 WARN 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 20:40:54,063 WARN 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 20:40:54,076 WARN 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 20:40:54,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,138 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,147 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,148 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,160 WARN 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 20:40:54,160 WARN 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 20:40:54,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,166 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,166 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,167 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,167 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,168 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,168 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,171 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:54,188 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:54,190 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 20:40:54,207 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:54,211 WARN 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 20:40:54,212 WARN 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 20:40:54,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:40:54,285 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:40:54,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:40:54,372 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_callback_c_str_eq_harness.i[4500,4513] [2024-11-04 20:40:54,372 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_callback_c_str_eq_harness.i[4560,4573] [2024-11-04 20:40:54,390 WARN 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 20:40:54,405 WARN 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 20:40:54,406 WARN 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 20:40:54,406 WARN 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 20:40:54,408 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:54,409 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,409 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,409 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,410 WARN 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 20:40:54,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,415 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,416 WARN 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 20:40:54,416 WARN 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 20:40:54,417 WARN 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 20:40:54,417 WARN 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 20:40:54,422 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,422 WARN 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 20:40:54,422 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,423 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:54,424 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,424 WARN 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 20:40:54,424 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,424 WARN 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 20:40:54,464 WARN 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 20:40:54,464 WARN 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 20:40:54,465 WARN 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 20:40:54,465 WARN 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 20:40:54,496 WARN 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 20:40:54,503 WARN 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 20:40:54,506 WARN 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 20:40:54,509 WARN 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 20:40:54,543 WARN 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 20:40:54,544 WARN 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 20:40:54,546 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:54,546 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,548 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,578 WARN 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 20:40:54,585 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:54,591 WARN 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 20:40:54,598 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 20:40:54,603 WARN 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 20:40:54,608 WARN 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 20:40:54,613 WARN 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 20:40:54,618 WARN 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 20:40:54,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,624 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,630 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,630 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,637 WARN 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 20:40:54,637 WARN 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 20:40:54,638 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,639 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,640 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,640 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,640 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,641 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,641 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,645 WARN 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 20:40:54,652 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:54,654 WARN 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 20:40:54,661 WARN 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 20:40:54,666 WARN 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 20:40:54,666 WARN 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 20:40:54,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:40:54,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:40:54,720 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_callback_c_str_eq_harness.i[4500,4513] [2024-11-04 20:40:54,720 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_callback_c_str_eq_harness.i[4560,4573] [2024-11-04 20:40:54,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,757 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,758 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,758 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,758 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2024-11-04 20:40:54,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,947 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,947 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,951 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,959 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,959 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,959 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:54,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:40:55,255 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:40:55,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55 WrapperNode [2024-11-04 20:40:55,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:40:55,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:40:55,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:40:55,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:40:55,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,483 INFO L138 Inliner]: procedures = 778, calls = 3252, calls flagged for inlining = 80, calls inlined = 5, statements flattened = 339 [2024-11-04 20:40:55,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:40:55,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:40:55,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:40:55,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:40:55,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,526 INFO L175 MemorySlicer]: Split 267 memory accesses to 4 slices as follows [2, 5, 257, 3]. 96 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 257 writes are split as follows [0, 0, 257, 0]. [2024-11-04 20:40:55,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:40:55,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:40:55,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:40:55,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:40:55,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:40:55,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:40:55,618 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 20:40:55,624 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 20:40:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:40:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:40:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:40:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:40:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:40:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:40:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:40:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:40:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:40:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:40:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 20:40:55,646 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 20:40:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 20:40:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 20:40:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 20:40:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:40:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:40:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_c_str_is_allocated [2024-11-04 20:40:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_c_str_is_allocated [2024-11-04 20:40:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-04 20:40:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-04 20:40:55,900 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:40:55,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:41:04,317 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2024-11-04 20:41:04,576 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-04 20:41:04,576 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:41:04,590 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:41:04,591 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-04 20:41:04,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:41:04 BoogieIcfgContainer [2024-11-04 20:41:04,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:41:04,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:41:04,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:41:04,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:41:04,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:40:51" (1/3) ... [2024-11-04 20:41:04,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8962aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:41:04, skipping insertion in model container [2024-11-04 20:41:04,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55" (2/3) ... [2024-11-04 20:41:04,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8962aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:41:04, skipping insertion in model container [2024-11-04 20:41:04,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:41:04" (3/3) ... [2024-11-04 20:41:04,600 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness.i [2024-11-04 20:41:04,616 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:41:04,616 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:41:04,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:41:04,677 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;@2aa0b256, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:41:04,677 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:41:04,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-04 20:41:04,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-04 20:41:04,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:41:04,695 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:41:04,696 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:41:04,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:41:04,702 INFO L85 PathProgramCache]: Analyzing trace with hash 997182196, now seen corresponding path program 1 times [2024-11-04 20:41:04,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:41:04,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462054437] [2024-11-04 20:41:04,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:41:04,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:41:04,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:41:04,718 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 20:41:04,720 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 20:41:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:41:51,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 1961 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:41:51,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:41:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 20:41:51,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:41:54,550 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 20:41:54,551 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:41:54,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462054437] [2024-11-04 20:41:54,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1462054437] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:41:54,552 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:41:54,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:41:54,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319750944] [2024-11-04 20:41:54,554 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:41:54,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:41:54,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:41:54,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:41:54,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:41:54,591 INFO L87 Difference]: Start difference. First operand has 71 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-04 20:41:54,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:41:54,623 INFO L93 Difference]: Finished difference Result 139 states and 186 transitions. [2024-11-04 20:41:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:41:54,628 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 67 [2024-11-04 20:41:54,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:41:54,637 INFO L225 Difference]: With dead ends: 139 [2024-11-04 20:41:54,637 INFO L226 Difference]: Without dead ends: 65 [2024-11-04 20:41:54,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 20:41:54,649 INFO L432 NwaCegarLoop]: 86 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, 86 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 20:41:54,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:41:54,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-04 20:41:54,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-04 20:41:54,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 39 states have internal predecessors, (41), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-04 20:41:54,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2024-11-04 20:41:54,692 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 67 [2024-11-04 20:41:54,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:41:54,694 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2024-11-04 20:41:54,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-04 20:41:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2024-11-04 20:41:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-04 20:41:54,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:41:54,715 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-04 20:41:54,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-04 20:41:54,915 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 20:41:54,916 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:41:54,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:41:54,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1071895061, now seen corresponding path program 1 times [2024-11-04 20:41:54,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:41:54,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1651277092] [2024-11-04 20:41:54,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:41:54,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:41:54,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:41:54,925 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 20:41:54,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process