/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-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 16:29:45,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 16:29:45,463 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 16:29:45,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 16:29:45,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 16:29:45,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 16:29:45,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 16:29:45,481 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 16:29:45,482 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 16:29:45,482 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 16:29:45,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 16:29:45,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 16:29:45,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 16:29:45,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 16:29:45,483 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 16:29:45,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 16:29:45,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 16:29:45,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 16:29:45,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 16:29:45,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 16:29:45,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 16:29:45,486 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 16:29:45,486 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 16:29:45,486 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 16:29:45,487 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 16:29:45,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 16:29:45,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 16:29:45,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 16:29:45,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 16:29:45,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 16:29:45,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 16:29:45,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 16:29:45,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 16:29:45,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 16:29:45,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 16:29:45,489 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 16:29:45,489 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 16:29:45,489 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 16:29:45,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 16:29:45,489 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 16:29:45,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 16:29:45,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 16:29:45,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 16:29:45,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 16:29:45,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 16:29:45,714 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 16:29:45,715 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 16:29:45,715 INFO L431 ainManager$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-1.i [2024-11-15 16:29:47,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 16:29:47,437 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 16:29:47,437 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2024-11-15 16:29:47,463 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d44824e/40656e78b4e7492aac867b639abd5970/FLAGc41b9b407 [2024-11-15 16:29:47,612 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d44824e/40656e78b4e7492aac867b639abd5970 [2024-11-15 16:29:47,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 16:29:47,619 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 16:29:47,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 16:29:47,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 16:29:47,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 16:29:47,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:29:47" (1/1) ... [2024-11-15 16:29:47,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b580d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:47, skipping insertion in model container [2024-11-15 16:29:47,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:29:47" (1/1) ... [2024-11-15 16:29:47,738 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 16:29:47,957 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-1.i[4505,4518] [2024-11-15 16:29:47,963 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-1.i[4565,4578] [2024-11-15 16:29:48,386 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,498 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 16:29:48,498 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 16:29:48,499 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 16:29:48,505 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 16:29:48,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,511 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,511 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,511 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,513 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,513 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,518 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 16:29:48,519 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 16:29:48,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,526 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 16:29:48,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,530 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 16:29:48,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,531 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 16:29:48,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,532 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 16:29:48,741 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 16:29:48,741 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 16:29:48,742 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,742 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,803 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 16:29:48,813 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 16:29:48,817 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,817 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 16:29:48,817 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:29:48,881 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-15 16:29:48,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 16:29:48,907 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-1.i[4505,4518] [2024-11-15 16:29:48,907 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-1.i[4565,4578] [2024-11-15 16:29:48,921 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 16:29:48,941 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 16:29:48,941 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 16:29:48,942 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,944 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,945 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,945 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,945 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,946 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,946 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,946 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,948 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,948 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,949 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,949 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:29:48,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,952 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 16:29:48,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,953 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 16:29:48,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,953 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 16:29:48,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:48,954 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 16:29:49,063 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 16:29:49,063 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 16:29:49,063 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 16:29:49,064 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 16:29:49,092 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 16:29:49,101 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 16:29:49,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,108 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 16:29:49,109 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:29:49,163 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 16:29:49,179 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-1.i[4505,4518] [2024-11-15 16:29:49,180 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-1.i[4565,4578] [2024-11-15 16:29:49,221 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,276 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,276 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:29:49,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-15 16:29:49,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:29:49,410 INFO L204 MainTranslator]: Completed translation [2024-11-15 16:29:49,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49 WrapperNode [2024-11-15 16:29:49,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 16:29:49,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 16:29:49,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 16:29:49,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 16:29:49,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (1/1) ... [2024-11-15 16:29:49,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (1/1) ... [2024-11-15 16:29:49,519 INFO L138 Inliner]: procedures = 698, calls = 1512, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 733 [2024-11-15 16:29:49,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 16:29:49,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 16:29:49,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 16:29:49,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 16:29:49,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (1/1) ... [2024-11-15 16:29:49,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (1/1) ... [2024-11-15 16:29:49,544 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (1/1) ... [2024-11-15 16:29:49,610 INFO L175 MemorySlicer]: Split 287 memory accesses to 5 slices as follows [2, 238, 5, 35, 7]. 83 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 6, 5, 0, 1]. The 239 writes are split as follows [0, 232, 0, 6, 1]. [2024-11-15 16:29:49,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (1/1) ... [2024-11-15 16:29:49,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (1/1) ... [2024-11-15 16:29:49,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (1/1) ... [2024-11-15 16:29:49,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (1/1) ... [2024-11-15 16:29:49,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (1/1) ... [2024-11-15 16:29:49,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (1/1) ... [2024-11-15 16:29:49,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 16:29:49,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 16:29:49,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 16:29:49,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 16:29:49,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (1/1) ... [2024-11-15 16:29:49,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 16:29:49,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:29:49,719 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 16:29:49,721 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 16:29:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-15 16:29:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-15 16:29:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-15 16:29:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-15 16:29:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-15 16:29:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-15 16:29:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-15 16:29:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 16:29:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-15 16:29:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-15 16:29:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-15 16:29:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-15 16:29:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-15 16:29:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-15 16:29:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-15 16:29:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-15 16:29:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-15 16:29:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-15 16:29:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-15 16:29:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-15 16:29:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-15 16:29:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-15 16:29:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-15 16:29:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-15 16:29:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-15 16:29:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-15 16:29:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-15 16:29:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-15 16:29:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-15 16:29:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 16:29:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-15 16:29:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-15 16:29:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-15 16:29:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-15 16:29:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-15 16:29:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 16:29:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 16:29:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-15 16:29:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-15 16:29:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-15 16:29:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-15 16:29:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-15 16:29:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-15 16:29:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-15 16:29:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-15 16:29:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-15 16:29:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-15 16:29:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-15 16:29:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-15 16:29:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-15 16:29:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-15 16:29:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-15 16:29:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-15 16:29:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-15 16:29:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-15 16:29:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-15 16:29:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-15 16:29:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-15 16:29:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-15 16:29:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-15 16:29:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-15 16:29:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-15 16:29:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-15 16:29:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-15 16:29:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-15 16:29:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-15 16:29:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-15 16:29:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-15 16:29:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-15 16:29:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-15 16:29:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-15 16:29:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-15 16:29:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-15 16:29:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-15 16:29:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-15 16:29:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-15 16:29:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-15 16:29:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-15 16:29:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-15 16:29:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-15 16:29:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-15 16:29:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-15 16:29:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-15 16:29:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-15 16:29:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-15 16:29:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-15 16:29:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-15 16:29:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-15 16:29:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-15 16:29:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-15 16:29:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-15 16:29:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-15 16:29:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-15 16:29:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-15 16:29:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-15 16:29:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-15 16:29:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-15 16:29:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-15 16:29:50,118 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 16:29:50,119 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 16:29:58,098 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2024-11-15 16:29:58,098 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 16:29:58,115 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 16:29:58,115 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-15 16:29:58,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:29:58 BoogieIcfgContainer [2024-11-15 16:29:58,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 16:29:58,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 16:29:58,118 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 16:29:58,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 16:29:58,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 04:29:47" (1/3) ... [2024-11-15 16:29:58,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1b84af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 04:29:58, skipping insertion in model container [2024-11-15 16:29:58,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:29:49" (2/3) ... [2024-11-15 16:29:58,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1b84af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 04:29:58, skipping insertion in model container [2024-11-15 16:29:58,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:29:58" (3/3) ... [2024-11-15 16:29:58,123 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness-1.i [2024-11-15 16:29:58,135 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 16:29:58,135 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-15 16:29:58,192 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 16:29:58,198 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;@5d57c992, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 16:29:58,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 16:29:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 132 states have internal predecessors, (166), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-15 16:29:58,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-15 16:29:58,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:29:58,217 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-11-15 16:29:58,217 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:29:58,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:29:58,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1079394742, now seen corresponding path program 1 times [2024-11-15 16:29:58,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:29:58,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055006339] [2024-11-15 16:29:58,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:29:58,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:30:03,203 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:30:03,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1081423132] [2024-11-15 16:30:03,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:03,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:30:03,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:30:03,212 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 16:30:03,217 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 16:30:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:30:09,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 2432 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-15 16:30:09,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:30:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-15 16:30:09,645 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:30:09,645 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:30:09,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055006339] [2024-11-15 16:30:09,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:30:09,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081423132] [2024-11-15 16:30:09,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081423132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:30:09,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:30:09,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 16:30:09,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272248951] [2024-11-15 16:30:09,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:30:09,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-15 16:30:09,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:30:09,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-15 16:30:09,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 16:30:09,683 INFO L87 Difference]: Start difference. First operand has 204 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 132 states have internal predecessors, (166), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-15 16:30:09,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:30:09,717 INFO L93 Difference]: Finished difference Result 399 states and 583 transitions. [2024-11-15 16:30:09,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 16:30:09,719 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2024-11-15 16:30:09,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:30:09,729 INFO L225 Difference]: With dead ends: 399 [2024-11-15 16:30:09,729 INFO L226 Difference]: Without dead ends: 197 [2024-11-15 16:30:09,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 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 16:30:09,736 INFO L432 NwaCegarLoop]: 270 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, 270 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 16:30:09,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-15 16:30:09,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-15 16:30:09,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-11-15 16:30:09,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 124 states have (on average 1.2258064516129032) internal successors, (152), 126 states have internal predecessors, (152), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-15 16:30:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 262 transitions. [2024-11-15 16:30:09,775 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 262 transitions. Word has length 110 [2024-11-15 16:30:09,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:30:09,776 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 262 transitions. [2024-11-15 16:30:09,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-15 16:30:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 262 transitions. [2024-11-15 16:30:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-15 16:30:09,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:30:09,778 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 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] [2024-11-15 16:30:09,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-15 16:30:09,979 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 16:30:09,979 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:30:09,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:30:09,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1166699883, now seen corresponding path program 1 times [2024-11-15 16:30:09,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:30:09,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314285490] [2024-11-15 16:30:09,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:09,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:30:14,521 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:30:14,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [673152572] [2024-11-15 16:30:14,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:14,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:30:14,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:30:14,524 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 16:30:14,528 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 16:30:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:30:20,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-15 16:30:20,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:30:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-15 16:30:22,731 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:30:22,731 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:30:22,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314285490] [2024-11-15 16:30:22,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:30:22,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673152572] [2024-11-15 16:30:22,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673152572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:30:22,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:30:22,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 16:30:22,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299455225] [2024-11-15 16:30:22,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:30:22,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 16:30:22,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:30:22,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 16:30:22,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-15 16:30:22,738 INFO L87 Difference]: Start difference. First operand 197 states and 262 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-15 16:30:24,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:30:24,932 INFO L93 Difference]: Finished difference Result 380 states and 499 transitions. [2024-11-15 16:30:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 16:30:24,944 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 144 [2024-11-15 16:30:24,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:30:24,947 INFO L225 Difference]: With dead ends: 380 [2024-11-15 16:30:24,947 INFO L226 Difference]: Without dead ends: 197 [2024-11-15 16:30:24,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-15 16:30:24,951 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 7 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-15 16:30:24,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1260 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-15 16:30:24,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-15 16:30:24,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-11-15 16:30:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 124 states have (on average 1.217741935483871) internal successors, (151), 126 states have internal predecessors, (151), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-15 16:30:24,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 261 transitions. [2024-11-15 16:30:24,990 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 261 transitions. Word has length 144 [2024-11-15 16:30:24,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:30:24,990 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 261 transitions. [2024-11-15 16:30:24,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-15 16:30:24,991 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 261 transitions. [2024-11-15 16:30:24,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-15 16:30:24,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:30:24,994 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 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] [2024-11-15 16:30:25,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-15 16:30:25,195 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 16:30:25,195 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:30:25,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:30:25,195 INFO L85 PathProgramCache]: Analyzing trace with hash 694560411, now seen corresponding path program 1 times [2024-11-15 16:30:25,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:30:25,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626961683] [2024-11-15 16:30:25,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:25,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:30:29,612 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:30:29,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [272215782] [2024-11-15 16:30:29,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:29,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:30:29,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:30:29,616 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 16:30:29,619 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 16:30:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:30:35,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 2534 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 16:30:35,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:30:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-15 16:30:36,465 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:30:36,465 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:30:36,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626961683] [2024-11-15 16:30:36,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:30:36,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272215782] [2024-11-15 16:30:36,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272215782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:30:36,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:30:36,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-15 16:30:36,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571619080] [2024-11-15 16:30:36,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:30:36,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-15 16:30:36,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:30:36,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-15 16:30:36,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 16:30:36,467 INFO L87 Difference]: Start difference. First operand 197 states and 261 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-15 16:30:37,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:30:37,101 INFO L93 Difference]: Finished difference Result 300 states and 401 transitions. [2024-11-15 16:30:37,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 16:30:37,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 148 [2024-11-15 16:30:37,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:30:37,105 INFO L225 Difference]: With dead ends: 300 [2024-11-15 16:30:37,106 INFO L226 Difference]: Without dead ends: 201 [2024-11-15 16:30:37,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 16:30:37,107 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 0 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-15 16:30:37,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1030 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-15 16:30:37,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-15 16:30:37,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2024-11-15 16:30:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 127 states have (on average 1.2125984251968505) internal successors, (154), 129 states have internal predecessors, (154), 56 states have call successors, (56), 16 states have call predecessors, (56), 17 states have return successors, (57), 55 states have call predecessors, (57), 54 states have call successors, (57) [2024-11-15 16:30:37,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 267 transitions. [2024-11-15 16:30:37,119 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 267 transitions. Word has length 148 [2024-11-15 16:30:37,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:30:37,120 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 267 transitions. [2024-11-15 16:30:37,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-15 16:30:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 267 transitions. [2024-11-15 16:30:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-15 16:30:37,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:30:37,122 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 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] [2024-11-15 16:30:37,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-15 16:30:37,323 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 16:30:37,323 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:30:37,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:30:37,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1291193502, now seen corresponding path program 1 times [2024-11-15 16:30:37,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:30:37,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963577823] [2024-11-15 16:30:37,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:37,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:30:41,572 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:30:41,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2011110265] [2024-11-15 16:30:41,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:41,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:30:41,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:30:41,577 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 16:30:41,583 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 16:30:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:30:47,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 2567 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 16:30:47,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:30:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-11-15 16:30:48,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:30:48,719 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:30:48,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963577823] [2024-11-15 16:30:48,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:30:48,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011110265] [2024-11-15 16:30:48,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011110265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:30:48,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:30:48,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-15 16:30:48,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616469372] [2024-11-15 16:30:48,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:30:48,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-15 16:30:48,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:30:48,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-15 16:30:48,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 16:30:48,721 INFO L87 Difference]: Start difference. First operand 201 states and 267 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-15 16:30:50,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:30:50,455 INFO L93 Difference]: Finished difference Result 209 states and 275 transitions. [2024-11-15 16:30:50,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 16:30:50,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-11-15 16:30:50,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:30:50,458 INFO L225 Difference]: With dead ends: 209 [2024-11-15 16:30:50,459 INFO L226 Difference]: Without dead ends: 207 [2024-11-15 16:30:50,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-15 16:30:50,469 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 3 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-15 16:30:50,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1021 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-15 16:30:50,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-15 16:30:50,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 206. [2024-11-15 16:30:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 130 states have (on average 1.2076923076923076) internal successors, (157), 133 states have internal predecessors, (157), 57 states have call successors, (57), 17 states have call predecessors, (57), 18 states have return successors, (58), 55 states have call predecessors, (58), 55 states have call successors, (58) [2024-11-15 16:30:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 272 transitions. [2024-11-15 16:30:50,494 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 272 transitions. Word has length 149 [2024-11-15 16:30:50,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:30:50,494 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 272 transitions. [2024-11-15 16:30:50,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-15 16:30:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 272 transitions. [2024-11-15 16:30:50,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-15 16:30:50,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:30:50,496 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 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] [2024-11-15 16:30:50,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-15 16:30:50,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:30:50,701 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:30:50,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:30:50,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1293040544, now seen corresponding path program 1 times [2024-11-15 16:30:50,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:30:50,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38039208] [2024-11-15 16:30:50,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:50,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:30:55,001 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:30:55,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1720555313] [2024-11-15 16:30:55,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:30:55,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:30:55,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:30:55,003 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:30:55,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-15 16:31:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:31:01,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 2570 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-15 16:31:01,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:31:04,210 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-15 16:31:04,210 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:31:04,210 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:31:04,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38039208] [2024-11-15 16:31:04,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:31:04,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720555313] [2024-11-15 16:31:04,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720555313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:31:04,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:31:04,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-15 16:31:04,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022802572] [2024-11-15 16:31:04,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:31:04,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-15 16:31:04,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:31:04,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-15 16:31:04,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-15 16:31:04,212 INFO L87 Difference]: Start difference. First operand 206 states and 272 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-15 16:31:07,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:31:07,191 INFO L93 Difference]: Finished difference Result 401 states and 522 transitions. [2024-11-15 16:31:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 16:31:07,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 149 [2024-11-15 16:31:07,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:31:07,196 INFO L225 Difference]: With dead ends: 401 [2024-11-15 16:31:07,196 INFO L226 Difference]: Without dead ends: 208 [2024-11-15 16:31:07,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-15 16:31:07,199 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 8 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-15 16:31:07,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1506 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-15 16:31:07,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-15 16:31:07,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 207. [2024-11-15 16:31:07,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 131 states have (on average 1.2061068702290076) internal successors, (158), 134 states have internal predecessors, (158), 57 states have call successors, (57), 17 states have call predecessors, (57), 18 states have return successors, (58), 55 states have call predecessors, (58), 55 states have call successors, (58) [2024-11-15 16:31:07,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 273 transitions. [2024-11-15 16:31:07,216 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 273 transitions. Word has length 149 [2024-11-15 16:31:07,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:31:07,217 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 273 transitions. [2024-11-15 16:31:07,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-15 16:31:07,217 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 273 transitions. [2024-11-15 16:31:07,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-15 16:31:07,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:31:07,218 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 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] [2024-11-15 16:31:07,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-15 16:31:07,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:31:07,423 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:31:07,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:31:07,424 INFO L85 PathProgramCache]: Analyzing trace with hash -24208932, now seen corresponding path program 1 times [2024-11-15 16:31:07,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:31:07,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321766264] [2024-11-15 16:31:07,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:31:07,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:31:11,678 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:31:11,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [52943186] [2024-11-15 16:31:11,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:31:11,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:31:11,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:31:11,680 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:31:11,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-15 16:31:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:31:17,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 2592 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-15 16:31:17,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:31:21,790 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 160 proven. 1 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-15 16:31:21,794 INFO L311 TraceCheckSpWp]: Computing backward predicates...