/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 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 14:51:26,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 14:51:26,773 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 14:51:26,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 14:51:26,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 14:51:26,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 14:51:26,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 14:51:26,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 14:51:26,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 14:51:26,810 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 14:51:26,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 14:51:26,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 14:51:26,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 14:51:26,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 14:51:26,811 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 14:51:26,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 14:51:26,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 14:51:26,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 14:51:26,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 14:51:26,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 14:51:26,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 14:51:26,815 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 14:51:26,815 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 14:51:26,816 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 14:51:26,816 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 14:51:26,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 14:51:26,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 14:51:26,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 14:51:26,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 14:51:26,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 14:51:26,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 14:51:26,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:51:26,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 14:51:26,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 14:51:26,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 14:51:26,819 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 14:51:26,819 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 14:51:26,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 14:51:26,820 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 14:51:26,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 14:51:26,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 14:51:26,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:51:27,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 14:51:27,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 14:51:27,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 14:51:27,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 14:51:27,069 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 14:51:27,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i [2024-11-04 14:51:28,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 14:51:28,893 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 14:51:28,894 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i [2024-11-04 14:51:28,927 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b77ae8889/794cb9a6e7f24018a483f7cbb0b0c80e/FLAG61996421e [2024-11-04 14:51:28,939 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b77ae8889/794cb9a6e7f24018a483f7cbb0b0c80e [2024-11-04 14:51:28,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 14:51:28,942 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 14:51:28,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 14:51:28,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 14:51:28,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 14:51:28,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:51:28" (1/1) ... [2024-11-04 14:51:28,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4494a9bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:28, skipping insertion in model container [2024-11-04 14:51:28,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:51:28" (1/1) ... [2024-11-04 14:51:29,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:51:29,338 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i[4494,4507] [2024-11-04 14:51:29,346 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i[4554,4567] [2024-11-04 14:51:29,834 WARN 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 14:51:29,937 WARN 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 14:51:29,937 WARN 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 14:51:29,938 WARN 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 14:51:29,950 WARN 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 14:51:29,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:29,956 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:29,956 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:29,957 WARN 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 14:51:29,957 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:29,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:29,960 WARN 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 14:51:29,961 WARN 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 14:51:29,962 WARN 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 14:51:29,962 WARN 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 14:51:29,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:29,980 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:51:29,981 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:29,982 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 14:51:29,983 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:29,983 WARN 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 14:51:29,984 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:29,984 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:51:30,286 WARN 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 14:51:30,287 WARN 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 14:51:30,288 WARN 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 14:51:30,288 WARN 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 14:51:30,402 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:51:30,417 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:51:30,418 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 14:51:30,418 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 14:51:30,418 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 14:51:30,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,420 WARN 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 14:51:30,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,433 WARN 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 14:51:30,440 WARN 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 14:51:30,453 WARN 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 14:51:30,509 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:51:30,511 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 14:51:30,513 WARN 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 14:51:30,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:51:30,649 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 14:51:30,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:51:30,692 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i[4494,4507] [2024-11-04 14:51:30,693 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i[4554,4567] [2024-11-04 14:51:30,724 WARN 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 14:51:30,735 WARN 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 14:51:30,736 WARN 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 14:51:30,736 WARN 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 14:51:30,742 WARN 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 14:51:30,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,744 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,745 WARN 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 14:51:30,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,746 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,747 WARN 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 14:51:30,748 WARN 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 14:51:30,753 WARN 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 14:51:30,753 WARN 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 14:51:30,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,765 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 14:51:30,765 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,765 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 14:51:30,766 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,767 WARN 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 14:51:30,767 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,767 WARN 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 14:51:30,824 WARN 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 14:51:30,824 WARN 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 14:51:30,827 WARN 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 14:51:30,827 WARN 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 14:51:30,859 WARN 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 14:51:30,871 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:51:30,871 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:51:30,871 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:51:30,872 WARN 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 14:51:30,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,872 WARN 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 14:51:30,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,876 WARN 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 14:51:30,879 WARN 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 14:51:30,884 WARN 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 14:51:30,915 WARN 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 14:51:30,916 WARN 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 14:51:30,922 WARN 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 14:51:30,922 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,922 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:30,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:51:30,989 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 14:51:31,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i[4494,4507] [2024-11-04 14:51:31,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i[4554,4567] [2024-11-04 14:51:31,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,042 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,045 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,046 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,046 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,046 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,106 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,106 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8315] [2024-11-04 14:51:31,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,140 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:51:31,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8801-8812] [2024-11-04 14:51:31,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:51:31,459 INFO L204 MainTranslator]: Completed translation [2024-11-04 14:51:31,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31 WrapperNode [2024-11-04 14:51:31,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 14:51:31,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 14:51:31,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 14:51:31,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 14:51:31,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (1/1) ... [2024-11-04 14:51:31,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (1/1) ... [2024-11-04 14:51:31,663 INFO L138 Inliner]: procedures = 701, calls = 2619, calls flagged for inlining = 60, calls inlined = 10, statements flattened = 962 [2024-11-04 14:51:31,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 14:51:31,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 14:51:31,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 14:51:31,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 14:51:31,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (1/1) ... [2024-11-04 14:51:31,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (1/1) ... [2024-11-04 14:51:31,692 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (1/1) ... [2024-11-04 14:51:31,744 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-04 14:51:31,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (1/1) ... [2024-11-04 14:51:31,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (1/1) ... [2024-11-04 14:51:31,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (1/1) ... [2024-11-04 14:51:31,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (1/1) ... [2024-11-04 14:51:31,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (1/1) ... [2024-11-04 14:51:31,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (1/1) ... [2024-11-04 14:51:31,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 14:51:31,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 14:51:31,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 14:51:31,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 14:51:31,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (1/1) ... [2024-11-04 14:51:31,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:51:31,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:51:31,855 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 14:51:31,858 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 14:51:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-04 14:51:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-04 14:51:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 14:51:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 14:51:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 14:51:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-04 14:51:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-04 14:51:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-04 14:51:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 14:51:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 14:51:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 14:51:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 14:51:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 14:51:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 14:51:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-04 14:51:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 14:51:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 14:51:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 14:51:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 14:51:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-04 14:51:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-04 14:51:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-04 14:51:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-04 14:51:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-04 14:51:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-04 14:51:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-04 14:51:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-04 14:51:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-04 14:51:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 14:51:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 14:51:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 14:51:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-04 14:51:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-04 14:51:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-04 14:51:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 14:51:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 14:51:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 14:51:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 14:51:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-04 14:51:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-04 14:51:32,192 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 14:51:32,194 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 14:51:41,363 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-04 14:51:41,364 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 14:51:41,380 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 14:51:41,380 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-04 14:51:41,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:51:41 BoogieIcfgContainer [2024-11-04 14:51:41,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 14:51:41,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 14:51:41,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 14:51:41,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 14:51:41,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 02:51:28" (1/3) ... [2024-11-04 14:51:41,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e62bd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:51:41, skipping insertion in model container [2024-11-04 14:51:41,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:51:31" (2/3) ... [2024-11-04 14:51:41,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e62bd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:51:41, skipping insertion in model container [2024-11-04 14:51:41,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:51:41" (3/3) ... [2024-11-04 14:51:41,388 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness.i [2024-11-04 14:51:41,403 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 14:51:41,403 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 14:51:41,468 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 14:51:41,475 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;@5b7119ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 14:51:41,476 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 14:51:41,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 103 states have (on average 1.2912621359223302) internal successors, (133), 103 states have internal predecessors, (133), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-04 14:51:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-04 14:51:41,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:51:41,494 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-11-04 14:51:41,494 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:51:41,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:51:41,501 INFO L85 PathProgramCache]: Analyzing trace with hash -463635459, now seen corresponding path program 1 times [2024-11-04 14:51:41,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:51:41,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654528574] [2024-11-04 14:51:41,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:51:41,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:51:41,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:51:41,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:51:41,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 14:52:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:52:57,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 4063 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 14:52:57,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:52:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-04 14:52:57,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:52:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-04 14:52:58,078 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:52:58,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654528574] [2024-11-04 14:52:58,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [654528574] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 14:52:58,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 14:52:58,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-04 14:52:58,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748654463] [2024-11-04 14:52:58,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 14:52:58,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 14:52:58,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:52:58,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 14:52:58,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 14:52:58,107 INFO L87 Difference]: Start difference. First operand has 152 states, 103 states have (on average 1.2912621359223302) internal successors, (133), 103 states have internal predecessors, (133), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-04 14:52:58,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:52:58,140 INFO L93 Difference]: Finished difference Result 294 states and 420 transitions. [2024-11-04 14:52:58,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 14:52:58,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-11-04 14:52:58,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:52:58,153 INFO L225 Difference]: With dead ends: 294 [2024-11-04 14:52:58,153 INFO L226 Difference]: Without dead ends: 145 [2024-11-04 14:52:58,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 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 14:52:58,164 INFO L432 NwaCegarLoop]: 201 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, 201 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 14:52:58,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 14:52:58,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-04 14:52:58,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-04 14:52:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 96 states have (on average 1.2395833333333333) internal successors, (119), 97 states have internal predecessors, (119), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-04 14:52:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 192 transitions. [2024-11-04 14:52:58,227 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 192 transitions. Word has length 48 [2024-11-04 14:52:58,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:52:58,228 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 192 transitions. [2024-11-04 14:52:58,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-04 14:52:58,228 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 192 transitions. [2024-11-04 14:52:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-04 14:52:58,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:52:58,231 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-04 14:52:58,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-04 14:52:58,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:52:58,432 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:52:58,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:52:58,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1070415274, now seen corresponding path program 1 times [2024-11-04 14:52:58,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:52:58,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646426686] [2024-11-04 14:52:58,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:52:58,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:52:58,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:52:58,435 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:52:58,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process