/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_eq_c_str_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:35:18,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:35:18,534 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 20:35:18,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:35:18,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:35:18,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:35:18,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:35:18,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:35:18,572 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:35:18,573 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:35:18,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:35:18,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:35:18,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:35:18,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:35:18,577 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:35:18,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:35:18,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:35:18,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:35:18,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:35:18,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:35:18,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:35:18,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:35:18,579 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:35:18,580 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:35:18,580 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:35:18,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:35:18,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:35:18,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:35:18,581 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:35:18,581 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:35:18,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:35:18,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:35:18,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:35:18,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:35:18,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:35:18,583 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:35:18,583 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:35:18,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:35:18,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:35:18,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:35:18,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:35:18,587 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:35:18,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:35:18,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:35:18,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:35:18,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:35:18,836 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:35:18,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_cursor_eq_c_str_harness.i [2024-11-04 20:35:20,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:35:20,792 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:35:20,794 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_eq_c_str_harness.i [2024-11-04 20:35:20,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704191755/e3474bfe1d28487393a70f245a725d8c/FLAGeeff642f3 [2024-11-04 20:35:20,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704191755/e3474bfe1d28487393a70f245a725d8c [2024-11-04 20:35:20,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:35:20,866 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:35:20,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:35:20,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:35:20,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:35:20,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:35:20" (1/1) ... [2024-11-04 20:35:20,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71617133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:20, skipping insertion in model container [2024-11-04 20:35:20,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:35:20" (1/1) ... [2024-11-04 20:35:20,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:35:21,248 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_eq_c_str_harness.i[4498,4511] [2024-11-04 20:35:21,258 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_eq_c_str_harness.i[4558,4571] [2024-11-04 20:35:21,826 WARN 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 20:35:21,928 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:35:21,928 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:35:21,929 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:35:21,936 WARN 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 20:35:21,938 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:21,938 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:21,939 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:21,940 WARN 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 20:35:21,940 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:21,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:21,946 WARN 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 20:35:21,947 WARN 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 20:35:21,949 WARN 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 20:35:21,949 WARN 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 20:35:21,963 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:21,966 WARN 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 20:35:21,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:21,967 WARN 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 20:35:21,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:21,969 WARN 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 20:35:21,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:21,969 WARN 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 20:35:22,262 WARN 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 20:35:22,263 WARN 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 20:35:22,264 WARN 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 20:35:22,264 WARN 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 20:35:22,387 WARN 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 20:35:22,404 WARN 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 20:35:22,408 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:35:22,418 WARN 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 20:35:22,511 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:35:22,517 WARN 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 20:35:22,521 WARN 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 20:35:22,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:22,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:22,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:35:22,713 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:35:22,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:35:22,771 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_eq_c_str_harness.i[4498,4511] [2024-11-04 20:35:22,773 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_eq_c_str_harness.i[4558,4571] [2024-11-04 20:35:22,830 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 20:35:22,847 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:35:22,848 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:35:22,849 WARN 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 20:35:22,852 WARN 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 20:35:22,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:22,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:22,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:22,854 WARN 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 20:35:22,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:22,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:22,855 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 20:35:22,856 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 20:35:22,856 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 20:35:22,857 WARN 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 20:35:22,860 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:22,861 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:35:22,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:22,861 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:35:22,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:22,862 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:35:22,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:22,863 WARN 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 20:35:22,899 WARN 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 20:35:22,899 WARN 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 20:35:22,900 WARN 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 20:35:22,900 WARN 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 20:35:22,930 WARN 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 20:35:22,942 WARN 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 20:35:22,944 WARN 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 20:35:22,948 WARN 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 20:35:22,981 WARN 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 20:35:22,982 WARN 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 20:35:22,984 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:35:22,984 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:22,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:23,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:35:23,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:35:23,068 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_eq_c_str_harness.i[4498,4511] [2024-11-04 20:35:23,068 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_eq_c_str_harness.i[4558,4571] [2024-11-04 20:35:23,107 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:23,107 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:23,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:23,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:23,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:23,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:23,113 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:23,114 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:23,115 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:23,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-04 20:35:23,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:23,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:35:23,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-04 20:35:23,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:35:23,484 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:35:23,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23 WrapperNode [2024-11-04 20:35:23,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:35:23,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:35:23,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:35:23,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:35:23,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (1/1) ... [2024-11-04 20:35:23,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (1/1) ... [2024-11-04 20:35:23,700 INFO L138 Inliner]: procedures = 700, calls = 2625, calls flagged for inlining = 63, calls inlined = 9, statements flattened = 864 [2024-11-04 20:35:23,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:35:23,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:35:23,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:35:23,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:35:23,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (1/1) ... [2024-11-04 20:35:23,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (1/1) ... [2024-11-04 20:35:23,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (1/1) ... [2024-11-04 20:35:23,807 INFO L175 MemorySlicer]: Split 538 memory accesses to 7 slices as follows [2, 257, 238, 22, 6, 8, 5]. 48 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 0, 6, 2, 0, 0, 5]. The 492 writes are split as follows [0, 257, 232, 1, 2, 0, 0]. [2024-11-04 20:35:23,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (1/1) ... [2024-11-04 20:35:23,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (1/1) ... [2024-11-04 20:35:23,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (1/1) ... [2024-11-04 20:35:23,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (1/1) ... [2024-11-04 20:35:23,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (1/1) ... [2024-11-04 20:35:23,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (1/1) ... [2024-11-04 20:35:23,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:35:23,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:35:23,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:35:23,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:35:23,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (1/1) ... [2024-11-04 20:35:23,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:35:23,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:35:23,980 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 20:35:23,986 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 20:35:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2024-11-04 20:35:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2024-11-04 20:35:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-04 20:35:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-04 20:35:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:35:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:35:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:35:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:35:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:35:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:35:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:35:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 20:35:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 20:35:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 20:35:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 20:35:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 20:35:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 20:35:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 20:35:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 20:35:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 20:35:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-04 20:35:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 20:35:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 20:35:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 20:35:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 20:35:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 20:35:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 20:35:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-04 20:35:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:35:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:35:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:35:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:35:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-04 20:35:24,054 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-04 20:35:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:35:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:35:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:35:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 20:35:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 20:35:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 20:35:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 20:35:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:35:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:35:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:35:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:35:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 20:35:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 20:35:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 20:35:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 20:35:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 20:35:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 20:35:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-04 20:35:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-04 20:35:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-04 20:35:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 20:35:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 20:35:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 20:35:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 20:35:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 20:35:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 20:35:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 20:35:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 20:35:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 20:35:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 20:35:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 20:35:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 20:35:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 20:35:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 20:35:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:35:24,057 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:35:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:35:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 20:35:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 20:35:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 20:35:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 20:35:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 20:35:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 20:35:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 20:35:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 20:35:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 20:35:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 20:35:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 20:35:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 20:35:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 20:35:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 20:35:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 20:35:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 20:35:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 20:35:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 20:35:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 20:35:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 20:35:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-04 20:35:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:35:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:35:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:35:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:35:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 20:35:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 20:35:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-04 20:35:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 20:35:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 20:35:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 20:35:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 20:35:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 20:35:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 20:35:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 20:35:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 20:35:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 20:35:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 20:35:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 20:35:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 20:35:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 20:35:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 20:35:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-04 20:35:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-04 20:35:24,427 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:35:24,429 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:35:32,514 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2024-11-04 20:35:32,515 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:35:32,531 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:35:32,531 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-04 20:35:32,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:35:32 BoogieIcfgContainer [2024-11-04 20:35:32,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:35:32,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:35:32,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:35:32,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:35:32,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:35:20" (1/3) ... [2024-11-04 20:35:32,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5af14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:35:32, skipping insertion in model container [2024-11-04 20:35:32,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:35:23" (2/3) ... [2024-11-04 20:35:32,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5af14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:35:32, skipping insertion in model container [2024-11-04 20:35:32,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:35:32" (3/3) ... [2024-11-04 20:35:32,544 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_c_str_harness.i [2024-11-04 20:35:32,559 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:35:32,560 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:35:32,634 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:35:32,642 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;@28da860b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:35:32,642 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:35:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 79 states have (on average 1.2531645569620253) internal successors, (99), 81 states have internal predecessors, (99), 31 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-04 20:35:32,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-04 20:35:32,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:35:32,664 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:35:32,665 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:35:32,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:35:32,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1521352793, now seen corresponding path program 1 times [2024-11-04 20:35:32,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:35:32,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323107859] [2024-11-04 20:35:32,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:35:32,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:35:32,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:35:32,686 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 20:35:32,687 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 20:36:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:36:43,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 4173 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:36:43,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:36:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-04 20:36:43,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:36:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-04 20:36:45,973 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:36:45,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323107859] [2024-11-04 20:36:45,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1323107859] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:36:45,974 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:36:45,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:36:45,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950385848] [2024-11-04 20:36:45,976 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:36:45,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:36:45,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:36:46,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:36:46,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:36:46,013 INFO L87 Difference]: Start difference. First operand has 121 states, 79 states have (on average 1.2531645569620253) internal successors, (99), 81 states have internal predecessors, (99), 31 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-04 20:36:46,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:36:46,059 INFO L93 Difference]: Finished difference Result 237 states and 339 transitions. [2024-11-04 20:36:46,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:36:46,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 114 [2024-11-04 20:36:46,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:36:46,073 INFO L225 Difference]: With dead ends: 237 [2024-11-04 20:36:46,074 INFO L226 Difference]: Without dead ends: 116 [2024-11-04 20:36:46,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 226 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 20:36:46,080 INFO L432 NwaCegarLoop]: 158 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, 158 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 20:36:46,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:36:46,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-04 20:36:46,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-04 20:36:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 75 states have (on average 1.2133333333333334) internal successors, (91), 76 states have internal predecessors, (91), 31 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-04 20:36:46,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 152 transitions. [2024-11-04 20:36:46,194 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 152 transitions. Word has length 114 [2024-11-04 20:36:46,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:36:46,199 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 152 transitions. [2024-11-04 20:36:46,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-04 20:36:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 152 transitions. [2024-11-04 20:36:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-04 20:36:46,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:36:46,205 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:36:46,249 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 20:36:46,405 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 20:36:46,406 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:36:46,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:36:46,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1922874839, now seen corresponding path program 1 times [2024-11-04 20:36:46,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:36:46,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1154420588] [2024-11-04 20:36:46,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:36:46,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:36:46,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:36:46,411 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 20:36:46,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process