/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 15:11:08,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 15:11:08,738 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 15:11:08,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 15:11:08,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 15:11:08,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 15:11:08,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 15:11:08,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 15:11:08,772 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 15:11:08,773 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 15:11:08,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 15:11:08,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 15:11:08,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 15:11:08,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 15:11:08,777 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 15:11:08,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 15:11:08,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 15:11:08,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 15:11:08,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 15:11:08,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 15:11:08,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 15:11:08,780 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 15:11:08,780 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 15:11:08,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 15:11:08,780 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 15:11:08,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 15:11:08,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 15:11:08,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 15:11:08,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 15:11:08,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 15:11:08,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 15:11:08,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 15:11:08,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 15:11:08,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 15:11:08,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 15:11:08,782 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 15:11:08,783 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 15:11:08,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 15:11:08,783 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 15:11:08,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 15:11:08,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 15:11:08,784 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:11:09,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 15:11:09,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 15:11:09,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 15:11:09,031 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 15:11:09,031 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 15:11:09,032 INFO L431 ainManager$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.i [2024-11-04 15:11:10,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 15:11:10,833 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 15:11:10,833 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2024-11-04 15:11:10,876 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21909724a/3c72c545e3e44f3fafd932d99979fecb/FLAG10c8912cd [2024-11-04 15:11:10,893 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21909724a/3c72c545e3e44f3fafd932d99979fecb [2024-11-04 15:11:10,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 15:11:10,897 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 15:11:10,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 15:11:10,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 15:11:10,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 15:11:10,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 03:11:10" (1/1) ... [2024-11-04 15:11:10,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344898a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:10, skipping insertion in model container [2024-11-04 15:11:10,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 03:11:10" (1/1) ... [2024-11-04 15:11:11,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 15:11:11,314 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4505,4518] [2024-11-04 15:11:11,323 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.i[4565,4578] [2024-11-04 15:11:11,858 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:11,986 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:11,987 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:11,988 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:11,994 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:11,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:11,996 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:11,996 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:11,997 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:11,997 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:11,998 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,000 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,001 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,003 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,003 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,012 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,012 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,012 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,013 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,018 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,019 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,019 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,020 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,296 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,297 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,297 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,297 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,395 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,419 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,436 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,438 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,439 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 15:11:12,577 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 15:11:12,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 15:11:12,640 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.i[4505,4518] [2024-11-04 15:11:12,641 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.i[4565,4578] [2024-11-04 15:11:12,667 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,701 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,701 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,702 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,709 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,711 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,711 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,717 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,717 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,718 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,723 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,728 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,729 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,729 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,729 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,733 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,734 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,791 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,791 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,791 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,817 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,829 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,835 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,836 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:11:12,836 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 15:11:12,883 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 15:11:12,900 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.i[4505,4518] [2024-11-04 15:11:12,901 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.i[4565,4578] [2024-11-04 15:11:12,946 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,947 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,947 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,947 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,955 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:12,955 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:13,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:13,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:11:13,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-04 15:11:13,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 15:11:13,266 INFO L204 MainTranslator]: Completed translation [2024-11-04 15:11:13,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13 WrapperNode [2024-11-04 15:11:13,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 15:11:13,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 15:11:13,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 15:11:13,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 15:11:13,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (1/1) ... [2024-11-04 15:11:13,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (1/1) ... [2024-11-04 15:11:13,404 INFO L138 Inliner]: procedures = 698, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 759 [2024-11-04 15:11:13,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 15:11:13,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 15:11:13,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 15:11:13,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 15:11:13,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (1/1) ... [2024-11-04 15:11:13,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (1/1) ... [2024-11-04 15:11:13,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (1/1) ... [2024-11-04 15:11:13,531 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]. [2024-11-04 15:11:13,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (1/1) ... [2024-11-04 15:11:13,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (1/1) ... [2024-11-04 15:11:13,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (1/1) ... [2024-11-04 15:11:13,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (1/1) ... [2024-11-04 15:11:13,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (1/1) ... [2024-11-04 15:11:13,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (1/1) ... [2024-11-04 15:11:13,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 15:11:13,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 15:11:13,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 15:11:13,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 15:11:13,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (1/1) ... [2024-11-04 15:11:13,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 15:11:13,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:11:13,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-04 15:11:13,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-04 15:11:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-04 15:11:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-04 15:11:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 15:11:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-04 15:11:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-04 15:11:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 15:11:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 15:11:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 15:11:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 15:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 15:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 15:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 15:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 15:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 15:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 15:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 15:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 15:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 15:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 15:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 15:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 15:11:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 15:11:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-04 15:11:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-04 15:11:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 15:11:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 15:11:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 15:11:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 15:11:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 15:11:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 15:11:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 15:11:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 15:11:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 15:11:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 15:11:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 15:11:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 15:11:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 15:11:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 15:11:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 15:11:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 15:11:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 15:11:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 15:11:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 15:11:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 15:11:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 15:11:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 15:11:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 15:11:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 15:11:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 15:11:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-04 15:11:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-04 15:11:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 15:11:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 15:11:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 15:11:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 15:11:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 15:11:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 15:11:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 15:11:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-04 15:11:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-04 15:11:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-04 15:11:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-04 15:11:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 15:11:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 15:11:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 15:11:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 15:11:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 15:11:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 15:11:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 15:11:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 15:11:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 15:11:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 15:11:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 15:11:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 15:11:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 15:11:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 15:11:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 15:11:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 15:11:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 15:11:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 15:11:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 15:11:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 15:11:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 15:11:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 15:11:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 15:11:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 15:11:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 15:11:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 15:11:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 15:11:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 15:11:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 15:11:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 15:11:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 15:11:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 15:11:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 15:11:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 15:11:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 15:11:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 15:11:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 15:11:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-04 15:11:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-04 15:11:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-04 15:11:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-04 15:11:14,131 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 15:11:14,134 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 15:11:23,640 INFO L? ?]: Removed 152 outVars from TransFormulas that were not future-live. [2024-11-04 15:11:23,640 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 15:11:23,665 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 15:11:23,666 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-04 15:11:23,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 03:11:23 BoogieIcfgContainer [2024-11-04 15:11:23,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 15:11:23,670 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 15:11:23,670 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 15:11:23,674 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 15:11:23,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 03:11:10" (1/3) ... [2024-11-04 15:11:23,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2824b92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 03:11:23, skipping insertion in model container [2024-11-04 15:11:23,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:11:13" (2/3) ... [2024-11-04 15:11:23,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2824b92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 03:11:23, skipping insertion in model container [2024-11-04 15:11:23,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 03:11:23" (3/3) ... [2024-11-04 15:11:23,679 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness.i [2024-11-04 15:11:23,698 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 15:11:23,698 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 15:11:23,785 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 15:11:23,791 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;@7e8dda3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 15:11:23,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 15:11:23,799 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) [2024-11-04 15:11:23,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-04 15:11:23,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 15:11:23,819 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] [2024-11-04 15:11:23,820 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 15:11:23,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 15:11:23,825 INFO L85 PathProgramCache]: Analyzing trace with hash 652124503, now seen corresponding path program 1 times [2024-11-04 15:11:23,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 15:11:23,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729951948] [2024-11-04 15:11:23,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 15:11:23,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:11:23,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:11:23,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 15:11:23,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 15:11:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 15:11:31,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 2720 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 15:11:31,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 15:11:31,444 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-04 15:11:31,444 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 15:11:35,804 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-04 15:11:35,805 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 15:11:35,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729951948] [2024-11-04 15:11:35,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1729951948] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 15:11:35,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 15:11:35,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-04 15:11:35,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407957562] [2024-11-04 15:11:35,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 15:11:35,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 15:11:35,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 15:11:35,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 15:11:35,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 15:11:35,851 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) [2024-11-04 15:11:35,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 15:11:35,913 INFO L93 Difference]: Finished difference Result 408 states and 598 transitions. [2024-11-04 15:11:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 15:11:35,917 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 [2024-11-04 15:11:35,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 15:11:35,933 INFO L225 Difference]: With dead ends: 408 [2024-11-04 15:11:35,933 INFO L226 Difference]: Without dead ends: 210 [2024-11-04 15:11:35,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 15:11:35,952 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 [2024-11-04 15:11:35,953 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] [2024-11-04 15:11:35,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-04 15:11:36,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-04 15:11:36,020 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) [2024-11-04 15:11:36,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 281 transitions. [2024-11-04 15:11:36,026 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 281 transitions. Word has length 142 [2024-11-04 15:11:36,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 15:11:36,031 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 281 transitions. [2024-11-04 15:11:36,032 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) [2024-11-04 15:11:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 281 transitions. [2024-11-04 15:11:36,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-04 15:11:36,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 15:11:36,039 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] [2024-11-04 15:11:36,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-04 15:11:36,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:11:36,241 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 15:11:36,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 15:11:36,242 INFO L85 PathProgramCache]: Analyzing trace with hash -21824476, now seen corresponding path program 1 times [2024-11-04 15:11:36,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 15:11:36,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477833848] [2024-11-04 15:11:36,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 15:11:36,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:11:36,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:11:36,244 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 15:11:36,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-04 15:11:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 15:11:44,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 2812 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-04 15:11:44,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 15:11:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-04 15:11:46,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 15:11:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-04 15:11:55,613 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 15:11:55,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477833848] [2024-11-04 15:11:55,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1477833848] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 15:11:55,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 15:11:55,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2024-11-04 15:11:55,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815980239] [2024-11-04 15:11:55,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 15:11:55,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 15:11:55,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 15:11:55,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 15:11:55,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-04 15:11:55,618 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) [2024-11-04 15:11:57,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 15:11:57,789 INFO L93 Difference]: Finished difference Result 389 states and 514 transitions. [2024-11-04 15:11:57,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 15:11:57,792 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 [2024-11-04 15:11:57,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 15:11:57,795 INFO L225 Difference]: With dead ends: 389 [2024-11-04 15:11:57,795 INFO L226 Difference]: Without dead ends: 210 [2024-11-04 15:11:57,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-04 15:11:57,798 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 7 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.7s IncrementalHoareTripleChecker+Time [2024-11-04 15:11:57,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1355 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-04 15:11:57,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-04 15:11:57,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-04 15:11:57,822 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) [2024-11-04 15:11:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 280 transitions. [2024-11-04 15:11:57,826 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 280 transitions. Word has length 176 [2024-11-04 15:11:57,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 15:11:57,826 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 280 transitions. [2024-11-04 15:11:57,827 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) [2024-11-04 15:11:57,827 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 280 transitions. [2024-11-04 15:11:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-04 15:11:57,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 15:11:57,830 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] [2024-11-04 15:11:57,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-04 15:11:58,031 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 [2024-11-04 15:11:58,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 15:11:58,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 15:11:58,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1741263756, now seen corresponding path program 1 times [2024-11-04 15:11:58,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 15:11:58,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640761585] [2024-11-04 15:11:58,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 15:11:58,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:11:58,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:11:58,035 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) [2024-11-04 15:11:58,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-04 15:12:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 15:12:04,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 2822 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 15:12:04,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 15:12:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-04 15:12:05,427 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 15:12:13,231 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-04 15:12:13,232 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 15:12:13,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640761585] [2024-11-04 15:12:13,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [640761585] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 15:12:13,232 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 15:12:13,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-04 15:12:13,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525715076] [2024-11-04 15:12:13,233 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 15:12:13,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 15:12:13,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 15:12:13,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 15:12:13,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-04 15:12:13,235 INFO L87 Difference]: Start difference. First operand 210 states and 280 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-04 15:12:15,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 15:12:15,386 INFO L93 Difference]: Finished difference Result 218 states and 288 transitions. [2024-11-04 15:12:15,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 15:12:15,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2024-11-04 15:12:15,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 15:12:15,392 INFO L225 Difference]: With dead ends: 218 [2024-11-04 15:12:15,392 INFO L226 Difference]: Without dead ends: 216 [2024-11-04 15:12:15,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-04 15:12:15,393 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 6 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-04 15:12:15,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1366 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-04 15:12:15,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-04 15:12:15,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2024-11-04 15:12:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 134 states have (on average 1.2014925373134329) internal successors, (161), 137 states have internal predecessors, (161), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-04 15:12:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 285 transitions. [2024-11-04 15:12:15,429 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 285 transitions. Word has length 180 [2024-11-04 15:12:15,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 15:12:15,430 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 285 transitions. [2024-11-04 15:12:15,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-04 15:12:15,431 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 285 transitions. [2024-11-04 15:12:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-04 15:12:15,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 15:12:15,434 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] [2024-11-04 15:12:15,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-04 15:12:15,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:12:15,637 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 15:12:15,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 15:12:15,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1739416714, now seen corresponding path program 1 times [2024-11-04 15:12:15,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 15:12:15,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [981976569] [2024-11-04 15:12:15,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 15:12:15,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:12:15,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:12:15,640 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) [2024-11-04 15:12:15,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-04 15:12:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 15:12:22,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 2825 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 15:12:22,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 15:12:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-04 15:12:24,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 15:12:35,457 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-04 15:12:35,457 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 15:12:35,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [981976569] [2024-11-04 15:12:35,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [981976569] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 15:12:35,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 15:12:35,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-11-04 15:12:35,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222675084] [2024-11-04 15:12:35,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 15:12:35,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 15:12:35,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 15:12:35,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 15:12:35,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-04 15:12:35,460 INFO L87 Difference]: Start difference. First operand 215 states and 285 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) [2024-11-04 15:12:37,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 15:12:37,693 INFO L93 Difference]: Finished difference Result 402 states and 526 transitions. [2024-11-04 15:12:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-04 15:12:37,694 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 [2024-11-04 15:12:37,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 15:12:37,697 INFO L225 Difference]: With dead ends: 402 [2024-11-04 15:12:37,698 INFO L226 Difference]: Without dead ends: 217 [2024-11-04 15:12:37,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-04 15:12:37,699 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 9 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-04 15:12:37,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1351 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-04 15:12:37,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-04 15:12:37,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 216. [2024-11-04 15:12:37,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 135 states have (on average 1.2) internal successors, (162), 138 states have internal predecessors, (162), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-04 15:12:37,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 286 transitions. [2024-11-04 15:12:37,713 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 286 transitions. Word has length 180 [2024-11-04 15:12:37,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 15:12:37,714 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 286 transitions. [2024-11-04 15:12:37,714 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) [2024-11-04 15:12:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 286 transitions. [2024-11-04 15:12:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-04 15:12:37,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 15:12:37,716 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] [2024-11-04 15:12:37,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-04 15:12:37,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:12:37,917 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 15:12:37,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 15:12:37,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1021832398, now seen corresponding path program 1 times [2024-11-04 15:12:37,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 15:12:37,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412845291] [2024-11-04 15:12:37,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 15:12:37,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:12:37,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:12:37,919 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) [2024-11-04 15:12:37,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process