/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 05:30:10,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 05:30:10,987 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 05:30:10,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 05:30:10,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 05:30:11,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 05:30:11,015 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 05:30:11,016 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 05:30:11,016 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 05:30:11,019 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 05:30:11,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 05:30:11,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 05:30:11,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 05:30:11,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 05:30:11,020 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 05:30:11,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 05:30:11,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 05:30:11,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 05:30:11,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 05:30:11,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 05:30:11,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 05:30:11,022 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 05:30:11,022 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 05:30:11,022 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 05:30:11,022 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 05:30:11,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 05:30:11,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 05:30:11,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 05:30:11,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 05:30:11,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 05:30:11,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 05:30:11,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 05:30:11,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 05:30:11,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 05:30:11,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 05:30:11,024 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 05:30:11,024 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 05:30:11,024 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 05:30:11,024 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 05:30:11,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 05:30:11,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 05:30:11,025 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 05:30:11,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 05:30:11,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 05:30:11,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 05:30:11,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 05:30:11,210 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 05:30:11,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i [2024-11-06 05:30:12,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 05:30:12,750 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 05:30:12,751 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i [2024-11-06 05:30:12,789 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8247e1e/20c5426680874eab9ece071b67665fe8/FLAG7ed0ef384 [2024-11-06 05:30:13,000 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8247e1e/20c5426680874eab9ece071b67665fe8 [2024-11-06 05:30:13,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 05:30:13,003 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 05:30:13,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 05:30:13,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 05:30:13,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 05:30:13,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:30:13" (1/1) ... [2024-11-06 05:30:13,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1efb45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:13, skipping insertion in model container [2024-11-06 05:30:13,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:30:13" (1/1) ... [2024-11-06 05:30:13,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 05:30:13,307 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_ring_buffer_init_harness_negated.i[4494,4507] [2024-11-06 05:30:13,314 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_ring_buffer_init_harness_negated.i[4554,4567] [2024-11-06 05:30:13,732 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,805 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,806 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,808 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,818 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,823 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:13,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:13,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:13,825 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,825 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:13,825 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:13,828 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,828 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,829 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,830 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,842 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:13,843 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,843 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:13,843 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:13,845 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:13,846 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,847 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:13,848 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:13,848 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:13,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:13,849 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,090 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,090 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,091 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,091 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 05:30:14,284 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 05:30:14,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 05:30:14,334 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_ring_buffer_init_harness_negated.i[4494,4507] [2024-11-06 05:30:14,335 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_ring_buffer_init_harness_negated.i[4554,4567] [2024-11-06 05:30:14,360 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,376 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,376 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,377 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,382 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,383 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,385 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,386 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,387 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,387 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,394 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,394 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,399 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,399 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,400 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,400 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,401 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,401 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,401 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,401 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,440 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,440 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,441 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,441 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,469 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:30:14,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 05:30:14,509 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 05:30:14,523 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_ring_buffer_init_harness_negated.i[4494,4507] [2024-11-06 05:30:14,524 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_ring_buffer_init_harness_negated.i[4554,4567] [2024-11-06 05:30:14,560 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,569 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,569 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,573 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:30:14,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7559-7570] [2024-11-06 05:30:14,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 05:30:14,815 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-06 05:30:14,821 INFO L204 MainTranslator]: Completed translation [2024-11-06 05:30:14,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14 WrapperNode [2024-11-06 05:30:14,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 05:30:14,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 05:30:14,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 05:30:14,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 05:30:14,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (1/1) ... [2024-11-06 05:30:14,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (1/1) ... [2024-11-06 05:30:14,929 INFO L138 Inliner]: procedures = 698, calls = 1512, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 576 [2024-11-06 05:30:14,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 05:30:14,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 05:30:14,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 05:30:14,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 05:30:14,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (1/1) ... [2024-11-06 05:30:14,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (1/1) ... [2024-11-06 05:30:14,954 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (1/1) ... [2024-11-06 05:30:15,020 INFO L175 MemorySlicer]: Split 271 memory accesses to 4 slices as follows [2, 238, 26, 5]. 88 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 6, 5, 5]. The 237 writes are split as follows [0, 232, 5, 0]. [2024-11-06 05:30:15,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (1/1) ... [2024-11-06 05:30:15,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (1/1) ... [2024-11-06 05:30:15,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (1/1) ... [2024-11-06 05:30:15,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (1/1) ... [2024-11-06 05:30:15,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (1/1) ... [2024-11-06 05:30:15,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (1/1) ... [2024-11-06 05:30:15,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 05:30:15,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 05:30:15,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 05:30:15,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 05:30:15,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (1/1) ... [2024-11-06 05:30:15,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 05:30:15,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 05:30:15,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 05:30:15,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 05:30:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 05:30:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 05:30:15,124 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 05:30:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 05:30:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 05:30:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 05:30:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 05:30:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 05:30:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 05:30:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 05:30:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 05:30:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-06 05:30:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-06 05:30:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-06 05:30:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-06 05:30:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2024-11-06 05:30:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2024-11-06 05:30:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-06 05:30:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-06 05:30:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 05:30:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 05:30:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 05:30:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 05:30:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 05:30:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 05:30:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 05:30:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 05:30:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-06 05:30:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-06 05:30:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 05:30:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 05:30:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 05:30:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 05:30:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-06 05:30:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-06 05:30:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 05:30:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 05:30:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 05:30:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 05:30:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-06 05:30:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-06 05:30:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-06 05:30:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-06 05:30:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-06 05:30:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-06 05:30:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-06 05:30:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-06 05:30:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-06 05:30:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-06 05:30:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 05:30:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 05:30:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-06 05:30:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-06 05:30:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 05:30:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 05:30:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 05:30:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 05:30:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 05:30:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 05:30:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 05:30:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 05:30:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 05:30:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-06 05:30:15,130 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-06 05:30:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-06 05:30:15,130 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-06 05:30:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 05:30:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 05:30:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 05:30:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 05:30:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-06 05:30:15,131 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-06 05:30:15,380 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 05:30:15,382 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 05:30:22,616 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-06 05:30:22,616 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 05:30:22,629 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 05:30:22,629 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-06 05:30:22,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:30:22 BoogieIcfgContainer [2024-11-06 05:30:22,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 05:30:22,633 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 05:30:22,633 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 05:30:22,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 05:30:22,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 05:30:13" (1/3) ... [2024-11-06 05:30:22,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea32bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:30:22, skipping insertion in model container [2024-11-06 05:30:22,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:30:14" (2/3) ... [2024-11-06 05:30:22,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea32bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:30:22, skipping insertion in model container [2024-11-06 05:30:22,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:30:22" (3/3) ... [2024-11-06 05:30:22,637 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness_negated.i [2024-11-06 05:30:22,649 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 05:30:22,649 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-06 05:30:22,696 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 05:30:22,703 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;@40dbc4e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 05:30:22,703 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-06 05:30:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 97 states have (on average 1.2474226804123711) internal successors, (121), 100 states have internal predecessors, (121), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-06 05:30:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-06 05:30:22,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 05:30:22,716 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-06 05:30:22,717 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-06 05:30:22,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 05:30:22,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1864435119, now seen corresponding path program 1 times [2024-11-06 05:30:22,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 05:30:22,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077659827] [2024-11-06 05:30:22,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 05:30:22,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:30:22,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 05:30:22,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 05:30:22,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 05:30:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 05:30:29,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 2287 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 05:30:29,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 05:30:29,213 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-06 05:30:29,213 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 05:30:29,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 05:30:29,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077659827] [2024-11-06 05:30:29,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1077659827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 05:30:29,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 05:30:29,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 05:30:29,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50781359] [2024-11-06 05:30:29,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 05:30:29,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 05:30:29,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 05:30:29,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 05:30:29,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 05:30:29,260 INFO L87 Difference]: Start difference. First operand has 146 states, 97 states have (on average 1.2474226804123711) internal successors, (121), 100 states have internal predecessors, (121), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 05:30:29,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 05:30:29,295 INFO L93 Difference]: Finished difference Result 281 states and 368 transitions. [2024-11-06 05:30:29,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 05:30:29,297 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 86 [2024-11-06 05:30:29,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 05:30:29,306 INFO L225 Difference]: With dead ends: 281 [2024-11-06 05:30:29,307 INFO L226 Difference]: Without dead ends: 139 [2024-11-06 05:30:29,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 05:30:29,317 INFO L432 NwaCegarLoop]: 173 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, 173 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 [2024-11-06 05:30:29,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 05:30:29,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-06 05:30:29,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-06 05:30:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.1888888888888889) internal successors, (107), 93 states have internal predecessors, (107), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-06 05:30:29,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 166 transitions. [2024-11-06 05:30:29,364 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 166 transitions. Word has length 86 [2024-11-06 05:30:29,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 05:30:29,365 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 166 transitions. [2024-11-06 05:30:29,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 05:30:29,366 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 166 transitions. [2024-11-06 05:30:29,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-06 05:30:29,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 05:30:29,372 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1] [2024-11-06 05:30:29,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-06 05:30:29,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:30:29,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-06 05:30:29,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 05:30:29,574 INFO L85 PathProgramCache]: Analyzing trace with hash -60787664, now seen corresponding path program 1 times [2024-11-06 05:30:29,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 05:30:29,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173869375] [2024-11-06 05:30:29,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 05:30:29,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:30:29,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 05:30:29,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 05:30:29,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-06 05:30:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 05:30:35,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 2303 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 05:30:35,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 05:30:36,166 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-06 05:30:36,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 05:30:36,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 05:30:36,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173869375] [2024-11-06 05:30:36,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [173869375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 05:30:36,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 05:30:36,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 05:30:36,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159012396] [2024-11-06 05:30:36,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 05:30:36,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 05:30:36,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 05:30:36,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 05:30:36,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 05:30:36,169 INFO L87 Difference]: Start difference. First operand 139 states and 166 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-06 05:30:36,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 05:30:36,475 INFO L93 Difference]: Finished difference Result 262 states and 311 transitions. [2024-11-06 05:30:36,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 05:30:36,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 92 [2024-11-06 05:30:36,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 05:30:36,478 INFO L225 Difference]: With dead ends: 262 [2024-11-06 05:30:36,478 INFO L226 Difference]: Without dead ends: 140 [2024-11-06 05:30:36,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 05:30:36,480 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 05:30:36,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 05:30:36,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-06 05:30:36,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-06 05:30:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 91 states have (on average 1.1868131868131868) internal successors, (108), 94 states have internal predecessors, (108), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-06 05:30:36,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 167 transitions. [2024-11-06 05:30:36,499 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 167 transitions. Word has length 92 [2024-11-06 05:30:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 05:30:36,499 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 167 transitions. [2024-11-06 05:30:36,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-06 05:30:36,500 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 167 transitions. [2024-11-06 05:30:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-06 05:30:36,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 05:30:36,502 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1] [2024-11-06 05:30:36,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-06 05:30:36,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:30:36,703 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-06 05:30:36,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 05:30:36,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1929794159, now seen corresponding path program 1 times [2024-11-06 05:30:36,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 05:30:36,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112342544] [2024-11-06 05:30:36,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 05:30:36,707 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:30:36,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 05:30:36,710 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 05:30:36,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-06 05:30:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 05:30:42,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 05:30:42,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 05:30:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-06 05:30:43,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 05:30:48,904 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-06 05:30:48,905 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 05:30:48,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112342544] [2024-11-06 05:30:48,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112342544] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 05:30:48,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 05:30:48,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-06 05:30:48,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615426273] [2024-11-06 05:30:48,905 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 05:30:48,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 05:30:48,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 05:30:48,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 05:30:48,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-06 05:30:48,907 INFO L87 Difference]: Start difference. First operand 140 states and 167 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-06 05:30:50,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 05:30:50,378 INFO L93 Difference]: Finished difference Result 267 states and 318 transitions. [2024-11-06 05:30:50,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-06 05:30:50,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 93 [2024-11-06 05:30:50,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 05:30:50,381 INFO L225 Difference]: With dead ends: 267 [2024-11-06 05:30:50,381 INFO L226 Difference]: Without dead ends: 143 [2024-11-06 05:30:50,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-06 05:30:50,382 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-06 05:30:50,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1140 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-06 05:30:50,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-06 05:30:50,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-06 05:30:50,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 94 states have (on average 1.1808510638297873) internal successors, (111), 97 states have internal predecessors, (111), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-06 05:30:50,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 170 transitions. [2024-11-06 05:30:50,390 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 170 transitions. Word has length 93 [2024-11-06 05:30:50,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 05:30:50,390 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 170 transitions. [2024-11-06 05:30:50,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-06 05:30:50,390 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 170 transitions. [2024-11-06 05:30:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-06 05:30:50,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 05:30:50,392 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 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, 1] [2024-11-06 05:30:50,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-06 05:30:50,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:30:50,593 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-06 05:30:50,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 05:30:50,594 INFO L85 PathProgramCache]: Analyzing trace with hash -174832528, now seen corresponding path program 2 times [2024-11-06 05:30:50,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 05:30:50,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696829693] [2024-11-06 05:30:50,596 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 05:30:50,596 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:30:50,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 05:30:50,597 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 05:30:50,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-06 05:30:56,273 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-06 05:30:56,273 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 05:30:56,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 2205 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-06 05:30:56,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 05:30:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-06 05:30:58,634 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 05:30:58,634 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 05:30:58,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696829693] [2024-11-06 05:30:58,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696829693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 05:30:58,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 05:30:58,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 05:30:58,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041231787] [2024-11-06 05:30:58,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 05:30:58,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 05:30:58,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 05:30:58,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 05:30:58,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 05:30:58,636 INFO L87 Difference]: Start difference. First operand 143 states and 170 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-06 05:30:59,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 05:30:59,481 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2024-11-06 05:30:59,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 05:30:59,483 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2024-11-06 05:30:59,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 05:30:59,484 INFO L225 Difference]: With dead ends: 224 [2024-11-06 05:30:59,484 INFO L226 Difference]: Without dead ends: 149 [2024-11-06 05:30:59,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 05:30:59,486 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 2 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 05:30:59,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 805 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 05:30:59,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-06 05:30:59,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2024-11-06 05:30:59,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 98 states have (on average 1.1734693877551021) internal successors, (115), 101 states have internal predecessors, (115), 30 states have call successors, (30), 16 states have call predecessors, (30), 17 states have return successors, (30), 30 states have call predecessors, (30), 29 states have call successors, (30) [2024-11-06 05:30:59,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 175 transitions. [2024-11-06 05:30:59,504 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 175 transitions. Word has length 96 [2024-11-06 05:30:59,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 05:30:59,504 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 175 transitions. [2024-11-06 05:30:59,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-06 05:30:59,505 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 175 transitions. [2024-11-06 05:30:59,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-06 05:30:59,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 05:30:59,508 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 05:30:59,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-06 05:30:59,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:30:59,708 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-06 05:30:59,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 05:30:59,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1910613241, now seen corresponding path program 1 times [2024-11-06 05:30:59,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 05:30:59,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756918939] [2024-11-06 05:30:59,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 05:30:59,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:30:59,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 05:30:59,713 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 05:30:59,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-06 05:31:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 05:31:05,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 2359 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-06 05:31:05,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 05:31:08,293 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 35 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-06 05:31:08,293 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 05:31:17,324 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-06 05:31:17,324 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 05:31:17,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756918939] [2024-11-06 05:31:17,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756918939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 05:31:17,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 05:31:17,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-06 05:31:17,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791042152] [2024-11-06 05:31:17,325 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 05:31:17,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-06 05:31:17,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 05:31:17,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-06 05:31:17,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-06 05:31:17,326 INFO L87 Difference]: Start difference. First operand 148 states and 175 transitions. Second operand has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-06 05:31:23,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 05:31:23,338 INFO L93 Difference]: Finished difference Result 283 states and 337 transitions. [2024-11-06 05:31:23,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-06 05:31:23,339 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 102 [2024-11-06 05:31:23,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 05:31:23,341 INFO L225 Difference]: With dead ends: 283 [2024-11-06 05:31:23,341 INFO L226 Difference]: Without dead ends: 154 [2024-11-06 05:31:23,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2024-11-06 05:31:23,345 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-06 05:31:23,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 981 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-06 05:31:23,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-06 05:31:23,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-06 05:31:23,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 104 states have (on average 1.1634615384615385) internal successors, (121), 107 states have internal predecessors, (121), 30 states have call successors, (30), 16 states have call predecessors, (30), 17 states have return successors, (30), 30 states have call predecessors, (30), 29 states have call successors, (30) [2024-11-06 05:31:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 181 transitions. [2024-11-06 05:31:23,360 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 181 transitions. Word has length 102 [2024-11-06 05:31:23,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 05:31:23,360 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 181 transitions. [2024-11-06 05:31:23,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-06 05:31:23,360 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 181 transitions. [2024-11-06 05:31:23,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-06 05:31:23,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 05:31:23,362 INFO L215 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 05:31:23,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-06 05:31:23,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:31:23,563 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-06 05:31:23,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 05:31:23,563 INFO L85 PathProgramCache]: Analyzing trace with hash -493727897, now seen corresponding path program 2 times [2024-11-06 05:31:23,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 05:31:23,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827096579] [2024-11-06 05:31:23,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 05:31:23,565 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:31:23,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 05:31:23,566 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 05:31:23,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-06 05:31:29,441 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-06 05:31:29,441 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 05:31:29,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 05:31:29,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 05:31:30,124 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-06 05:31:30,125 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 05:31:30,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 05:31:30,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827096579] [2024-11-06 05:31:30,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827096579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 05:31:30,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 05:31:30,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 05:31:30,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406793858] [2024-11-06 05:31:30,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 05:31:30,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 05:31:30,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 05:31:30,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 05:31:30,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 05:31:30,126 INFO L87 Difference]: Start difference. First operand 154 states and 181 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 05:31:30,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 05:31:30,424 INFO L93 Difference]: Finished difference Result 214 states and 254 transitions. [2024-11-06 05:31:30,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 05:31:30,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2024-11-06 05:31:30,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 05:31:30,426 INFO L225 Difference]: With dead ends: 214 [2024-11-06 05:31:30,426 INFO L226 Difference]: Without dead ends: 154 [2024-11-06 05:31:30,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 05:31:30,427 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 05:31:30,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 05:31:30,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-06 05:31:30,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-06 05:31:30,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 104 states have (on average 1.1538461538461537) internal successors, (120), 107 states have internal predecessors, (120), 30 states have call successors, (30), 16 states have call predecessors, (30), 17 states have return successors, (30), 30 states have call predecessors, (30), 29 states have call successors, (30) [2024-11-06 05:31:30,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 180 transitions. [2024-11-06 05:31:30,435 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 180 transitions. Word has length 108 [2024-11-06 05:31:30,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 05:31:30,435 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 180 transitions. [2024-11-06 05:31:30,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 05:31:30,436 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 180 transitions. [2024-11-06 05:31:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-06 05:31:30,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 05:31:30,437 INFO L215 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 05:31:30,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-06 05:31:30,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:31:30,638 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-06 05:31:30,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 05:31:30,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1703406818, now seen corresponding path program 1 times [2024-11-06 05:31:30,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 05:31:30,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438453088] [2024-11-06 05:31:30,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 05:31:30,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 05:31:30,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 05:31:30,641 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 05:31:30,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-06 05:31:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 05:31:36,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 2493 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-06 05:31:36,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 05:31:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 35 proven. 55 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-06 05:31:45,127 INFO L311 TraceCheckSpWp]: Computing backward predicates...