/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 14:01:26,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 14:01:26,455 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 14:01:26,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 14:01:26,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 14:01:26,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 14:01:26,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 14:01:26,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 14:01:26,483 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 14:01:26,483 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 14:01:26,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 14:01:26,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 14:01:26,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 14:01:26,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 14:01:26,486 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 14:01:26,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 14:01:26,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 14:01:26,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 14:01:26,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 14:01:26,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 14:01:26,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 14:01:26,489 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 14:01:26,489 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 14:01:26,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 14:01:26,490 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 14:01:26,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 14:01:26,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 14:01:26,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 14:01:26,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 14:01:26,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 14:01:26,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 14:01:26,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:01:26,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 14:01:26,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 14:01:26,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 14:01:26,492 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 14:01:26,492 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 14:01:26,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 14:01:26,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 14:01:26,495 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 14:01:26,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 14:01:26,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 14:01:26,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 14:01:26,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 14:01:26,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 14:01:26,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 14:01:26,711 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 14:01:26,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2024-11-06 14:01:27,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 14:01:28,333 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 14:01:28,334 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2024-11-06 14:01:28,366 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/530f674c9/8bbe559546ce4737b92005f2fee370b9/FLAG723c48d63 [2024-11-06 14:01:28,378 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/530f674c9/8bbe559546ce4737b92005f2fee370b9 [2024-11-06 14:01:28,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 14:01:28,381 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 14:01:28,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 14:01:28,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 14:01:28,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 14:01:28,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:01:28" (1/1) ... [2024-11-06 14:01:28,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea6b145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:28, skipping insertion in model container [2024-11-06 14:01:28,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:01:28" (1/1) ... [2024-11-06 14:01:28,497 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:01:28,734 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_byte_buf_clean_up_secure_harness_negated.i[4502,4515] [2024-11-06 14:01:28,742 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_byte_buf_clean_up_secure_harness_negated.i[4562,4575] [2024-11-06 14:01:29,134 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,215 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,216 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,217 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,224 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,230 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,234 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,234 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,238 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,238 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,247 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,247 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,252 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,253 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,253 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,479 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,479 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,480 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,480 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,589 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,594 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,600 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,607 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,676 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,677 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,678 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,679 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,679 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:01:29,794 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 14:01:29,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:01:29,832 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_byte_buf_clean_up_secure_harness_negated.i[4502,4515] [2024-11-06 14:01:29,832 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_byte_buf_clean_up_secure_harness_negated.i[4562,4575] [2024-11-06 14:01:29,850 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,861 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,862 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,862 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,867 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,868 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,868 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,868 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,869 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,870 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,870 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,871 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,875 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,880 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,881 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,881 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,882 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:29,882 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,927 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,928 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,928 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,929 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,973 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,978 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,980 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:29,984 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:30,009 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:30,014 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:30,015 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:01:30,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:01:30,072 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 14:01:30,087 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_byte_buf_clean_up_secure_harness_negated.i[4502,4515] [2024-11-06 14:01:30,087 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_byte_buf_clean_up_secure_harness_negated.i[4562,4575] [2024-11-06 14:01:30,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,116 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,116 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,116 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,116 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8061] [2024-11-06 14:01:30,180 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,180 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:01:30,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8547-8558] [2024-11-06 14:01:30,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:01:30,334 INFO L204 MainTranslator]: Completed translation [2024-11-06 14:01:30,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30 WrapperNode [2024-11-06 14:01:30,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 14:01:30,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 14:01:30,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 14:01:30,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 14:01:30,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (1/1) ... [2024-11-06 14:01:30,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (1/1) ... [2024-11-06 14:01:30,463 INFO L138 Inliner]: procedures = 700, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 824 [2024-11-06 14:01:30,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 14:01:30,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 14:01:30,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 14:01:30,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 14:01:30,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (1/1) ... [2024-11-06 14:01:30,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (1/1) ... [2024-11-06 14:01:30,483 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (1/1) ... [2024-11-06 14:01:30,549 INFO L175 MemorySlicer]: Split 536 memory accesses to 5 slices as follows [2, 257, 238, 7, 32]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 497 writes are split as follows [0, 257, 232, 1, 7]. [2024-11-06 14:01:30,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (1/1) ... [2024-11-06 14:01:30,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (1/1) ... [2024-11-06 14:01:30,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (1/1) ... [2024-11-06 14:01:30,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (1/1) ... [2024-11-06 14:01:30,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (1/1) ... [2024-11-06 14:01:30,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (1/1) ... [2024-11-06 14:01:30,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 14:01:30,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 14:01:30,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 14:01:30,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 14:01:30,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (1/1) ... [2024-11-06 14:01:30,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:01:30,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:01:30,667 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) [2024-11-06 14:01:30,670 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 [2024-11-06 14:01:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-06 14:01:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-06 14:01:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 14:01:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 14:01:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 14:01:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 14:01:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 14:01:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 14:01:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 14:01:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 14:01:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 14:01:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 14:01:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 14:01:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 14:01:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 14:01:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-06 14:01:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-06 14:01:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-06 14:01:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-06 14:01:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-06 14:01:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 14:01:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 14:01:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-06 14:01:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-06 14:01:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 14:01:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 14:01:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 14:01:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 14:01:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 14:01:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 14:01:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 14:01:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 14:01:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 14:01:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 14:01:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 14:01:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 14:01:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 14:01:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 14:01:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 14:01:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 14:01:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 14:01:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 14:01:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 14:01:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 14:01:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 14:01:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-06 14:01:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-06 14:01:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 14:01:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 14:01:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 14:01:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 14:01:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 14:01:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 14:01:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 14:01:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 14:01:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 14:01:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 14:01:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 14:01:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 14:01:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 14:01:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 14:01:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 14:01:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 14:01:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-06 14:01:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 14:01:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 14:01:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 14:01:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-06 14:01:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-06 14:01:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-06 14:01:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-06 14:01:30,931 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 14:01:30,933 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 14:01:40,821 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-06 14:01:40,821 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 14:01:40,833 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 14:01:40,833 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 14:01:40,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:01:40 BoogieIcfgContainer [2024-11-06 14:01:40,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 14:01:40,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 14:01:40,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 14:01:40,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 14:01:40,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:01:28" (1/3) ... [2024-11-06 14:01:40,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332140a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:01:40, skipping insertion in model container [2024-11-06 14:01:40,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:01:30" (2/3) ... [2024-11-06 14:01:40,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332140a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:01:40, skipping insertion in model container [2024-11-06 14:01:40,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:01:40" (3/3) ... [2024-11-06 14:01:40,840 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness_negated.i [2024-11-06 14:01:40,850 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 14:01:40,851 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 14:01:40,891 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 14:01:40,894 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;@185ed88a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 14:01:40,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 14:01:40,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 80 states have (on average 1.225) internal successors, (98), 81 states have internal predecessors, (98), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-06 14:01:40,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-06 14:01:40,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:01:40,909 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 14:01:40,909 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:01:40,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:01:40,912 INFO L85 PathProgramCache]: Analyzing trace with hash -2095082959, now seen corresponding path program 1 times [2024-11-06 14:01:40,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:01:40,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1984694682] [2024-11-06 14:01:40,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:01:40,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:01:40,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:01:40,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 14:01:40,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 14:02:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:02:49,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 4120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-06 14:02:49,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:02:51,628 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-06 14:02:51,629 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:02:51,629 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:02:51,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984694682] [2024-11-06 14:02:51,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984694682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:02:51,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:02:51,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 14:02:51,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181380901] [2024-11-06 14:02:51,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:02:51,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 14:02:51,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:02:51,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 14:02:51,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-06 14:02:51,659 INFO L87 Difference]: Start difference. First operand has 120 states, 80 states have (on average 1.225) internal successors, (98), 81 states have internal predecessors, (98), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-06 14:02:53,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:02:53,323 INFO L93 Difference]: Finished difference Result 239 states and 331 transitions. [2024-11-06 14:02:53,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 14:02:53,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 77 [2024-11-06 14:02:53,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:02:53,336 INFO L225 Difference]: With dead ends: 239 [2024-11-06 14:02:53,336 INFO L226 Difference]: Without dead ends: 118 [2024-11-06 14:02:53,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-06 14:02:53,350 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 18 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-06 14:02:53,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 367 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-06 14:02:53,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-06 14:02:53,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-06 14:02:53,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 78 states have (on average 1.1923076923076923) internal successors, (93), 80 states have internal predecessors, (93), 28 states have call successors, (28), 10 states have call predecessors, (28), 11 states have return successors, (32), 27 states have call predecessors, (32), 27 states have call successors, (32) [2024-11-06 14:02:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 153 transitions. [2024-11-06 14:02:53,403 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 153 transitions. Word has length 77 [2024-11-06 14:02:53,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:02:53,404 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 153 transitions. [2024-11-06 14:02:53,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-06 14:02:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 153 transitions. [2024-11-06 14:02:53,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-06 14:02:53,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:02:53,407 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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] [2024-11-06 14:02:53,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 14:02:53,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:02:53,608 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:02:53,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:02:53,608 INFO L85 PathProgramCache]: Analyzing trace with hash 16386302, now seen corresponding path program 1 times [2024-11-06 14:02:53,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:02:53,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [129781585] [2024-11-06 14:02:53,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:02:53,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:02:53,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:02:53,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 14:02:53,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process