/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_byte_cursor_compare_lexical_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:34:32,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:34:32,925 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 20:34:32,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:34:32,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:34:32,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:34:32,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:34:32,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:34:32,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:34:32,947 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:34:32,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:34:32,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:34:32,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:34:32,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:34:32,950 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:34:32,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:34:32,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:34:32,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:34:32,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:34:32,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:34:32,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:34:32,955 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:34:32,955 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:34:32,955 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:34:32,956 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:34:32,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:34:32,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:34:32,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:34:32,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:34:32,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:34:32,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:34:32,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:34:32,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:34:32,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:34:32,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:34:32,957 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:34:32,957 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:34:32,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:34:32,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:34:32,958 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:34:32,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:34:32,959 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:34:33,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:34:33,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:34:33,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:34:33,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:34:33,178 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:34:33,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-04 20:34:34,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:34:34,773 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:34:34,774 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-04 20:34:34,812 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b28c70b0/0fa4dbd00a814f9f9bcc2ba41dd2a607/FLAG9abf2f3e1 [2024-11-04 20:34:34,832 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b28c70b0/0fa4dbd00a814f9f9bcc2ba41dd2a607 [2024-11-04 20:34:34,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:34:34,837 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:34:34,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:34:34,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:34:34,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:34:34,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:34:34" (1/1) ... [2024-11-04 20:34:34,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75870ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:34, skipping insertion in model container [2024-11-04 20:34:34,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:34:34" (1/1) ... [2024-11-04 20:34:34,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:34:35,231 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_cursor_compare_lexical_harness_negated.i[4505,4518] [2024-11-04 20:34:35,240 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_cursor_compare_lexical_harness_negated.i[4565,4578] [2024-11-04 20:34:35,744 WARN 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 20:34:35,829 WARN 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 20:34:35,829 WARN 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 20:34:35,830 WARN 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 20:34:35,835 WARN 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 20:34:35,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:35,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:35,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:35,838 WARN 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 20:34:35,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:35,839 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:35,841 WARN 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 20:34:35,841 WARN 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 20:34:35,843 WARN 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 20:34:35,843 WARN 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 20:34:35,855 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:35,855 WARN 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 20:34:35,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:35,856 WARN 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 20:34:35,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:35,858 WARN 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 20:34:35,858 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:35,858 WARN 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 20:34:36,173 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:34:36,174 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:34:36,174 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:34:36,174 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:34:36,275 WARN 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 20:34:36,291 WARN 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 20:34:36,294 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:34:36,299 WARN 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 20:34:36,348 WARN 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 20:34:36,349 WARN 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 20:34:36,350 WARN 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 20:34:36,351 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,351 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:34:36,631 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:34:36,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:34:36,670 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_cursor_compare_lexical_harness_negated.i[4505,4518] [2024-11-04 20:34:36,671 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_cursor_compare_lexical_harness_negated.i[4565,4578] [2024-11-04 20:34:36,691 WARN 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 20:34:36,702 WARN 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 20:34:36,702 WARN 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 20:34:36,702 WARN 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 20:34:36,705 WARN 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 20:34:36,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,707 WARN 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 20:34:36,707 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,707 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,711 WARN 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 20:34:36,711 WARN 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 20:34:36,712 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:34:36,712 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:34:36,718 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,718 WARN 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 20:34:36,718 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,719 WARN 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 20:34:36,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,719 WARN 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 20:34:36,720 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,720 WARN 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 20:34:36,765 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:34:36,765 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:34:36,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:34:36,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:34:36,785 WARN 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 20:34:36,792 WARN 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 20:34:36,795 WARN 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 20:34:36,797 WARN 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 20:34:36,830 WARN 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 20:34:36,830 WARN 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 20:34:36,831 WARN 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 20:34:36,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:34:36,883 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:34:36,899 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_cursor_compare_lexical_harness_negated.i[4505,4518] [2024-11-04 20:34:36,899 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_cursor_compare_lexical_harness_negated.i[4565,4578] [2024-11-04 20:34:36,931 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,932 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,932 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,932 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,932 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,936 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,936 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,937 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:36,937 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:37,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-04 20:34:37,027 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:37,027 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:34:37,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-04 20:34:37,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:34:37,244 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:34:37,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37 WrapperNode [2024-11-04 20:34:37,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:34:37,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:34:37,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:34:37,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:34:37,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (1/1) ... [2024-11-04 20:34:37,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (1/1) ... [2024-11-04 20:34:37,399 INFO L138 Inliner]: procedures = 700, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 926 [2024-11-04 20:34:37,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:34:37,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:34:37,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:34:37,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:34:37,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (1/1) ... [2024-11-04 20:34:37,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (1/1) ... [2024-11-04 20:34:37,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (1/1) ... [2024-11-04 20:34:37,474 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 257, 238, 6, 46, 4, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 4, 0, 5]. The 494 writes are split as follows [0, 257, 232, 2, 3, 0, 0]. [2024-11-04 20:34:37,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (1/1) ... [2024-11-04 20:34:37,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (1/1) ... [2024-11-04 20:34:37,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (1/1) ... [2024-11-04 20:34:37,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (1/1) ... [2024-11-04 20:34:37,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (1/1) ... [2024-11-04 20:34:37,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (1/1) ... [2024-11-04 20:34:37,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:34:37,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:34:37,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:34:37,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:34:37,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (1/1) ... [2024-11-04 20:34:37,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:34:37,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:34:37,585 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 20:34:37,586 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 20:34:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-04 20:34:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-04 20:34:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2024-11-04 20:34:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2024-11-04 20:34:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:34:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:34:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:34:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:34:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:34:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:34:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:34:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 20:34:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 20:34:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 20:34:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 20:34:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 20:34:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 20:34:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 20:34:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 20:34:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 20:34:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-04 20:34:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:34:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-04 20:34:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-04 20:34:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:34:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:34:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 20:34:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-04 20:34:37,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 20:34:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 20:34:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 20:34:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 20:34:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:34:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:34:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:34:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 20:34:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 20:34:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 20:34:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 20:34:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 20:34:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 20:34:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 20:34:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 20:34:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 20:34:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 20:34:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 20:34:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 20:34:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-04 20:34:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 20:34:37,667 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 20:34:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 20:34:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 20:34:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 20:34:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 20:34:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 20:34:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 20:34:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 20:34:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 20:34:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 20:34:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 20:34:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 20:34:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 20:34:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-04 20:34:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-04 20:34:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-04 20:34:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-04 20:34:37,950 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:34:37,952 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:34:47,182 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-04 20:34:47,182 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:34:47,200 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:34:47,200 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-04 20:34:47,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:34:47 BoogieIcfgContainer [2024-11-04 20:34:47,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:34:47,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:34:47,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:34:47,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:34:47,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:34:34" (1/3) ... [2024-11-04 20:34:47,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9b376f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:34:47, skipping insertion in model container [2024-11-04 20:34:47,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:34:37" (2/3) ... [2024-11-04 20:34:47,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9b376f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:34:47, skipping insertion in model container [2024-11-04 20:34:47,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:34:47" (3/3) ... [2024-11-04 20:34:47,209 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-04 20:34:47,222 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:34:47,222 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:34:47,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:34:47,292 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@569355de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:34:47,292 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:34:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 89 states have internal predecessors, (108), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-04 20:34:47,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-04 20:34:47,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:34:47,315 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:34:47,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:34:47,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:34:47,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1535283547, now seen corresponding path program 1 times [2024-11-04 20:34:47,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:34:47,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684861553] [2024-11-04 20:34:47,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:34:47,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:34:47,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:34:47,333 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 20:34:47,337 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 20:36:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:36:03,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 4242 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:36:03,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:36:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-04 20:36:03,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:36:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-04 20:36:05,486 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:36:05,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684861553] [2024-11-04 20:36:05,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1684861553] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:36:05,486 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:36:05,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:36:05,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755317005] [2024-11-04 20:36:05,488 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:36:05,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:36:05,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:36:05,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:36:05,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:36:05,513 INFO L87 Difference]: Start difference. First operand has 147 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 89 states have internal predecessors, (108), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-04 20:36:05,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:36:05,544 INFO L93 Difference]: Finished difference Result 290 states and 427 transitions. [2024-11-04 20:36:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:36:05,546 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 120 [2024-11-04 20:36:05,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:36:05,553 INFO L225 Difference]: With dead ends: 290 [2024-11-04 20:36:05,554 INFO L226 Difference]: Without dead ends: 141 [2024-11-04 20:36:05,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 238 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 20:36:05,560 INFO L432 NwaCegarLoop]: 198 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, 198 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 20:36:05,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:36:05,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-04 20:36:05,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-04 20:36:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 83 states have (on average 1.2048192771084338) internal successors, (100), 84 states have internal predecessors, (100), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-04 20:36:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 191 transitions. [2024-11-04 20:36:05,608 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 191 transitions. Word has length 120 [2024-11-04 20:36:05,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:36:05,610 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 191 transitions. [2024-11-04 20:36:05,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-04 20:36:05,610 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 191 transitions. [2024-11-04 20:36:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-04 20:36:05,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:36:05,613 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:36:05,636 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 20:36:05,813 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 20:36:05,814 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:36:05,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:36:05,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1615103693, now seen corresponding path program 1 times [2024-11-04 20:36:05,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:36:05,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [42517216] [2024-11-04 20:36:05,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:36:05,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:36:05,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:36:05,817 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 20:36:05,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process