/root/.sdkman/candidates/java/11.0.12-open/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 16:30:23,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 16:30:23,201 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-15 16:30:23,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 16:30:23,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 16:30:23,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 16:30:23,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 16:30:23,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 16:30:23,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 16:30:23,243 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 16:30:23,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 16:30:23,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 16:30:23,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 16:30:23,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 16:30:23,247 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 16:30:23,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 16:30:23,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 16:30:23,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 16:30:23,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 16:30:23,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 16:30:23,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 16:30:23,250 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 16:30:23,250 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 16:30:23,250 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 16:30:23,250 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 16:30:23,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 16:30:23,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 16:30:23,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 16:30:23,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 16:30:23,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 16:30:23,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 16:30:23,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 16:30:23,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 16:30:23,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 16:30:23,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 16:30:23,254 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 16:30:23,254 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 16:30:23,254 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 16:30:23,254 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 16:30:23,254 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 16:30:23,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 16:30:23,256 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 16:30:23,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 16:30:23,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 16:30:23,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 16:30:23,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 16:30:23,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 16:30:23,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i [2024-11-15 16:30:24,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 16:30:25,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 16:30:25,426 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i [2024-11-15 16:30:25,469 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/844d26329/6dd862a3e62d43cd898b8872483a7703/FLAG947b3c910 [2024-11-15 16:30:25,487 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/844d26329/6dd862a3e62d43cd898b8872483a7703 [2024-11-15 16:30:25,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 16:30:25,492 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 16:30:25,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 16:30:25,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 16:30:25,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 16:30:25,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:30:25" (1/1) ... [2024-11-15 16:30:25,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f78cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:25, skipping insertion in model container [2024-11-15 16:30:25,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:30:25" (1/1) ... [2024-11-15 16:30:25,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 16:30:25,957 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_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2024-11-15 16:30:25,966 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_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2024-11-15 16:30:26,692 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,867 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,868 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,868 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,878 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:26,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:26,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:26,884 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,884 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:26,885 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:26,890 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,891 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,895 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,896 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:26,907 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,907 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:26,907 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,908 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:26,909 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:26,909 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:26,911 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,220 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,221 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,221 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,222 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,324 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,333 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,340 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,340 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,340 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:30:27,445 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-15 16:30:27,495 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 16:30:27,500 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_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2024-11-15 16:30:27,500 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_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2024-11-15 16:30:27,524 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,563 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,563 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,564 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,566 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,567 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,567 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,568 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,568 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,568 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,569 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,570 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,570 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,571 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,572 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,576 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,576 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,576 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,577 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,578 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,615 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,616 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,619 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,619 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,650 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,656 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,659 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,660 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:30:27,660 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:30:27,708 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 16:30:27,728 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_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2024-11-15 16:30:27,728 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_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2024-11-15 16:30:27,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,784 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,784 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,784 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,791 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,792 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,792 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,793 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,870 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,871 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:30:27,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-15 16:30:27,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:30:28,070 INFO L204 MainTranslator]: Completed translation [2024-11-15 16:30:28,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28 WrapperNode [2024-11-15 16:30:28,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 16:30:28,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 16:30:28,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 16:30:28,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 16:30:28,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (1/1) ... [2024-11-15 16:30:28,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (1/1) ... [2024-11-15 16:30:28,241 INFO L138 Inliner]: procedures = 698, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 759 [2024-11-15 16:30:28,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 16:30:28,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 16:30:28,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 16:30:28,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 16:30:28,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (1/1) ... [2024-11-15 16:30:28,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (1/1) ... [2024-11-15 16:30:28,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (1/1) ... [2024-11-15 16:30:28,405 INFO L175 MemorySlicer]: Split 301 memory accesses to 5 slices as follows [2, 5, 238, 48, 8]. 79 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 5, 6, 0, 2]. The 252 writes are split as follows [0, 0, 232, 19, 1]. [2024-11-15 16:30:28,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (1/1) ... [2024-11-15 16:30:28,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (1/1) ... [2024-11-15 16:30:28,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (1/1) ... [2024-11-15 16:30:28,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (1/1) ... [2024-11-15 16:30:28,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (1/1) ... [2024-11-15 16:30:28,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (1/1) ... [2024-11-15 16:30:28,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 16:30:28,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 16:30:28,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 16:30:28,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 16:30:28,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (1/1) ... [2024-11-15 16:30:28,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 16:30:28,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:30:28,569 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) [2024-11-15 16:30:28,571 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 [2024-11-15 16:30:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-15 16:30:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-15 16:30:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-15 16:30:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-15 16:30:28,621 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-15 16:30:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-15 16:30:28,622 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-15 16:30:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 16:30:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-15 16:30:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-15 16:30:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-15 16:30:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-15 16:30:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-15 16:30:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-15 16:30:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-15 16:30:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-15 16:30:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-15 16:30:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-15 16:30:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-15 16:30:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-15 16:30:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-15 16:30:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-15 16:30:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-15 16:30:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-15 16:30:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-15 16:30:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-15 16:30:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-15 16:30:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-15 16:30:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-15 16:30:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 16:30:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-15 16:30:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-15 16:30:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-15 16:30:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-15 16:30:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-15 16:30:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 16:30:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 16:30:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-15 16:30:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-15 16:30:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-15 16:30:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-15 16:30:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-15 16:30:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-15 16:30:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-15 16:30:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-15 16:30:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-15 16:30:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-15 16:30:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-15 16:30:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-15 16:30:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-15 16:30:28,629 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-15 16:30:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-15 16:30:28,629 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-15 16:30:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-15 16:30:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-15 16:30:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-15 16:30:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-15 16:30:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-15 16:30:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-15 16:30:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-15 16:30:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-15 16:30:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-15 16:30:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-15 16:30:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-15 16:30:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-15 16:30:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-15 16:30:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-15 16:30:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-15 16:30:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-15 16:30:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-15 16:30:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-15 16:30:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-15 16:30:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-15 16:30:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-15 16:30:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-15 16:30:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-15 16:30:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-15 16:30:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-15 16:30:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-15 16:30:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-15 16:30:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-15 16:30:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-15 16:30:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-15 16:30:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-15 16:30:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-15 16:30:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-15 16:30:28,635 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-15 16:30:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-15 16:30:28,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-15 16:30:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-15 16:30:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-15 16:30:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-15 16:30:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-15 16:30:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-15 16:30:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-15 16:30:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-15 16:30:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-15 16:30:28,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-15 16:30:28,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-15 16:30:28,637 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-15 16:30:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-15 16:30:28,637 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-15 16:30:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-15 16:30:29,034 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 16:30:29,038 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 16:30:38,603 INFO L? ?]: Removed 152 outVars from TransFormulas that were not future-live. [2024-11-15 16:30:38,604 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 16:30:38,627 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 16:30:38,627 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-15 16:30:38,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:30:38 BoogieIcfgContainer [2024-11-15 16:30:38,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 16:30:38,631 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 16:30:38,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 16:30:38,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 16:30:38,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 04:30:25" (1/3) ... [2024-11-15 16:30:38,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e4aa70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 04:30:38, skipping insertion in model container [2024-11-15 16:30:38,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:30:28" (2/3) ... [2024-11-15 16:30:38,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e4aa70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 04:30:38, skipping insertion in model container [2024-11-15 16:30:38,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:30:38" (3/3) ... [2024-11-15 16:30:38,637 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness_negated.i [2024-11-15 16:30:38,655 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 16:30:38,655 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-15 16:30:38,738 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 16:30:38,744 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;@7f82e11c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 16:30:38,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 16:30:38,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 217 states, 139 states have (on average 1.2446043165467626) internal successors, (173), 139 states have internal predecessors, (173), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-15 16:30:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-15 16:30:38,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:30:38,768 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 16:30:38,769 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:30:38,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:30:38,775 INFO L85 PathProgramCache]: Analyzing trace with hash 652124503, now seen corresponding path program 1 times [2024-11-15 16:30:38,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:30:38,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512497045] [2024-11-15 16:30:38,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:38,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:30:44,795 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:30:44,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1509913559] [2024-11-15 16:30:44,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:44,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:30:44,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:30:44,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:30:44,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-15 16:30:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:30:52,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 2720 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-15 16:30:52,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:30:52,371 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-15 16:30:52,371 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:30:52,371 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:30:52,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512497045] [2024-11-15 16:30:52,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:30:52,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509913559] [2024-11-15 16:30:52,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509913559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:30:52,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:30:52,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 16:30:52,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679928195] [2024-11-15 16:30:52,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:30:52,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-15 16:30:52,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:30:52,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-15 16:30:52,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 16:30:52,420 INFO L87 Difference]: Start difference. First operand has 217 states, 139 states have (on average 1.2446043165467626) internal successors, (173), 139 states have internal predecessors, (173), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-15 16:30:52,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:30:52,470 INFO L93 Difference]: Finished difference Result 408 states and 598 transitions. [2024-11-15 16:30:52,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 16:30:52,473 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 142 [2024-11-15 16:30:52,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:30:52,488 INFO L225 Difference]: With dead ends: 408 [2024-11-15 16:30:52,488 INFO L226 Difference]: Without dead ends: 210 [2024-11-15 16:30:52,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 16:30:52,498 INFO L432 NwaCegarLoop]: 289 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, 289 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 [2024-11-15 16:30:52,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-15 16:30:52,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-15 16:30:52,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-15 16:30:52,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 131 states have (on average 1.213740458015267) internal successors, (159), 133 states have internal predecessors, (159), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-15 16:30:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 281 transitions. [2024-11-15 16:30:52,577 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 281 transitions. Word has length 142 [2024-11-15 16:30:52,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:30:52,580 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 281 transitions. [2024-11-15 16:30:52,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-15 16:30:52,581 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 281 transitions. [2024-11-15 16:30:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-15 16:30:52,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:30:52,585 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 16:30:52,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-15 16:30:52,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-15 16:30:52,787 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:30:52,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:30:52,788 INFO L85 PathProgramCache]: Analyzing trace with hash -21824476, now seen corresponding path program 1 times [2024-11-15 16:30:52,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:30:52,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559381607] [2024-11-15 16:30:52,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:52,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:30:58,068 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:30:58,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1104275507] [2024-11-15 16:30:58,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:58,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:30:58,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:30:58,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:30:58,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-15 16:31:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:31:05,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 2812 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-15 16:31:05,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:31:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-15 16:31:07,645 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:31:07,645 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:31:07,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559381607] [2024-11-15 16:31:07,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:31:07,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104275507] [2024-11-15 16:31:07,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104275507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:31:07,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:31:07,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 16:31:07,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289263493] [2024-11-15 16:31:07,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:31:07,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 16:31:07,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:31:07,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 16:31:07,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-15 16:31:07,649 INFO L87 Difference]: Start difference. First operand 210 states and 281 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-15 16:31:09,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:31:09,554 INFO L93 Difference]: Finished difference Result 389 states and 514 transitions. [2024-11-15 16:31:09,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 16:31:09,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 176 [2024-11-15 16:31:09,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:31:09,560 INFO L225 Difference]: With dead ends: 389 [2024-11-15 16:31:09,560 INFO L226 Difference]: Without dead ends: 210 [2024-11-15 16:31:09,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-15 16:31:09,563 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 7 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-15 16:31:09,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1355 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-15 16:31:09,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-15 16:31:09,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-15 16:31:09,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 131 states have (on average 1.2061068702290076) internal successors, (158), 133 states have internal predecessors, (158), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-15 16:31:09,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 280 transitions. [2024-11-15 16:31:09,590 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 280 transitions. Word has length 176 [2024-11-15 16:31:09,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:31:09,591 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 280 transitions. [2024-11-15 16:31:09,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-15 16:31:09,591 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 280 transitions. [2024-11-15 16:31:09,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-15 16:31:09,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:31:09,594 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 16:31:09,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-15 16:31:09,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-15 16:31:09,795 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:31:09,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:31:09,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1741263756, now seen corresponding path program 1 times [2024-11-15 16:31:09,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:31:09,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018141182] [2024-11-15 16:31:09,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:31:09,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:31:14,982 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:31:14,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1409000029] [2024-11-15 16:31:14,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:31:14,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:31:14,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:31:14,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:31:14,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-15 16:31:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:31:21,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 2822 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-15 16:31:21,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:31:24,639 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-15 16:31:24,639 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:31:24,639 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:31:24,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018141182] [2024-11-15 16:31:24,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:31:24,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409000029] [2024-11-15 16:31:24,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409000029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:31:24,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:31:24,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-15 16:31:24,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356768380] [2024-11-15 16:31:24,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:31:24,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-15 16:31:24,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:31:24,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-15 16:31:24,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-15 16:31:24,643 INFO L87 Difference]: Start difference. First operand 210 states and 280 transitions. Second operand has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-15 16:31:27,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:31:27,188 INFO L93 Difference]: Finished difference Result 392 states and 516 transitions. [2024-11-15 16:31:27,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 16:31:27,189 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 180 [2024-11-15 16:31:27,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:31:27,196 INFO L225 Difference]: With dead ends: 392 [2024-11-15 16:31:27,197 INFO L226 Difference]: Without dead ends: 212 [2024-11-15 16:31:27,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-15 16:31:27,202 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 8 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-15 16:31:27,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1620 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-15 16:31:27,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-15 16:31:27,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 211. [2024-11-15 16:31:27,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 132 states have (on average 1.2045454545454546) internal successors, (159), 134 states have internal predecessors, (159), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-15 16:31:27,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 281 transitions. [2024-11-15 16:31:27,233 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 281 transitions. Word has length 180 [2024-11-15 16:31:27,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:31:27,233 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 281 transitions. [2024-11-15 16:31:27,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-15 16:31:27,234 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 281 transitions. [2024-11-15 16:31:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-15 16:31:27,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:31:27,239 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 16:31:27,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-15 16:31:27,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:31:27,441 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:31:27,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:31:27,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1023679440, now seen corresponding path program 1 times [2024-11-15 16:31:27,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:31:27,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454718501] [2024-11-15 16:31:27,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:31:27,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:31:32,594 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:31:32,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [779550828] [2024-11-15 16:31:32,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:31:32,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:31:32,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:31:32,601 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:31:32,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-15 16:31:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:31:40,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 2844 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-15 16:31:40,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:31:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 154 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-15 16:31:43,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 16:31:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-15 16:31:57,321 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:31:57,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454718501] [2024-11-15 16:31:57,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:31:57,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779550828] [2024-11-15 16:31:57,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779550828] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 16:31:57,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-15 16:31:57,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-15 16:31:57,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501415318] [2024-11-15 16:31:57,323 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-15 16:31:57,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-15 16:31:57,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:31:57,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-15 16:31:57,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-15 16:31:57,327 INFO L87 Difference]: Start difference. First operand 211 states and 281 transitions. Second operand has 13 states, 11 states have (on average 8.545454545454545) internal successors, (94), 13 states have internal predecessors, (94), 6 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (41), 6 states have call predecessors, (41), 6 states have call successors, (41)