/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 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_top_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:53:21,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:53:21,092 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 20:53:21,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:53:21,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:53:21,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:53:21,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:53:21,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:53:21,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:53:21,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:53:21,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:53:21,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:53:21,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:53:21,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:53:21,139 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:53:21,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:53:21,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:53:21,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:53:21,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:53:21,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:53:21,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:53:21,145 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:53:21,145 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:53:21,145 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:53:21,145 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:53:21,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:53:21,146 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:53:21,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:53:21,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:53:21,147 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:53:21,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:53:21,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:53:21,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:53:21,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:53:21,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:53:21,148 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:53:21,148 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:53:21,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:53:21,149 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:53:21,149 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:53:21,149 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:53:21,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:53:21,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:53:21,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:53:21,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:53:21,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:53:21,429 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:53:21,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_top_harness_negated.i [2024-11-04 20:53:22,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:53:23,374 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:53:23,374 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_top_harness_negated.i [2024-11-04 20:53:23,411 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef75c38c6/96663926c813409a9273d841bc0f3c58/FLAG7d1814f6d [2024-11-04 20:53:23,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef75c38c6/96663926c813409a9273d841bc0f3c58 [2024-11-04 20:53:23,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:53:23,434 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:53:23,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:53:23,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:53:23,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:53:23,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:53:23" (1/1) ... [2024-11-04 20:53:23,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b08ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:23, skipping insertion in model container [2024-11-04 20:53:23,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:53:23" (1/1) ... [2024-11-04 20:53:23,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:53:23,855 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_top_harness_negated.i[4496,4509] [2024-11-04 20:53:23,864 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_top_harness_negated.i[4556,4569] [2024-11-04 20:53:24,505 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:53:24,685 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 20:53:24,685 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 20:53:24,686 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 20:53:24,693 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 20:53:24,695 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:24,696 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:24,696 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:24,697 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 20:53:24,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:24,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:24,701 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 20:53:24,701 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 20:53:24,704 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 20:53:24,704 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 20:53:24,720 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:24,720 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 20:53:24,721 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:24,721 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 20:53:24,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:24,723 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 20:53:24,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:24,724 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:53:25,491 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 20:53:25,492 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 20:53:25,493 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 20:53:25,493 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 20:53:25,727 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 20:53:25,743 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 20:53:25,758 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:25,759 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 20:53:25,759 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:25,835 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 20:53:25,835 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 20:53:25,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:53:25,906 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:53:25,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:53:25,965 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_top_harness_negated.i[4496,4509] [2024-11-04 20:53:25,966 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_top_harness_negated.i[4556,4569] [2024-11-04 20:53:26,007 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 20:53:26,053 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 20:53:26,054 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 20:53:26,054 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 20:53:26,058 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 20:53:26,059 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,060 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,060 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,060 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 20:53:26,061 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,061 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,063 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:53:26,064 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:53:26,065 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 20:53:26,065 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 20:53:26,070 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,070 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 20:53:26,071 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,071 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 20:53:26,072 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,073 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 20:53:26,073 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,073 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 20:53:26,129 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 20:53:26,130 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 20:53:26,132 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 20:53:26,134 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 20:53:26,169 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 20:53:26,176 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 20:53:26,183 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,184 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 20:53:26,184 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,231 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 20:53:26,231 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 20:53:26,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:53:26,257 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:53:26,273 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_top_harness_negated.i[4496,4509] [2024-11-04 20:53:26,274 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_top_harness_negated.i[4556,4569] [2024-11-04 20:53:26,336 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,337 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,337 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,338 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,338 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,351 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,353 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,353 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,435 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,436 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:53:26,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-04 20:53:26,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:53:26,682 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:53:26,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26 WrapperNode [2024-11-04 20:53:26,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:53:26,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:53:26,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:53:26,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:53:26,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (1/1) ... [2024-11-04 20:53:26,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (1/1) ... [2024-11-04 20:53:26,884 INFO L138 Inliner]: procedures = 698, calls = 1548, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 722 [2024-11-04 20:53:26,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:53:26,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:53:26,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:53:26,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:53:26,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (1/1) ... [2024-11-04 20:53:26,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (1/1) ... [2024-11-04 20:53:26,923 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (1/1) ... [2024-11-04 20:53:27,051 INFO L175 MemorySlicer]: Split 340 memory accesses to 7 slices as follows [7, 238, 2, 2, 6, 82, 3]. 70 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [5, 6, 2, 1, 0, 10, 1]. The 253 writes are split as follows [0, 232, 0, 1, 2, 17, 1]. [2024-11-04 20:53:27,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (1/1) ... [2024-11-04 20:53:27,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (1/1) ... [2024-11-04 20:53:27,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (1/1) ... [2024-11-04 20:53:27,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (1/1) ... [2024-11-04 20:53:27,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (1/1) ... [2024-11-04 20:53:27,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (1/1) ... [2024-11-04 20:53:27,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:53:27,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:53:27,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:53:27,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:53:27,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (1/1) ... [2024-11-04 20:53:27,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:53:27,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:53:27,214 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 20:53:27,220 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 20:53:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-04 20:53:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-04 20:53:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:53:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-04 20:53:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-04 20:53:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-04 20:53:27,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-04 20:53:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:53:27,251 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:53:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:53:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:53:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:53:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:53:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 20:53:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 20:53:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 20:53:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 20:53:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 20:53:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 20:53:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 20:53:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 20:53:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 20:53:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-04 20:53:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 20:53:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 20:53:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 20:53:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 20:53:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 20:53:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 20:53:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-04 20:53:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 20:53:27,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 20:53:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:53:27,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:53:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:53:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:53:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-04 20:53:27,254 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-04 20:53:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:53:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:53:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:53:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 20:53:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 20:53:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 20:53:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 20:53:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:53:27,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:53:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:53:27,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:53:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 20:53:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 20:53:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 20:53:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 20:53:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 20:53:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 20:53:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-04 20:53:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-04 20:53:27,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-04 20:53:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 20:53:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 20:53:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 20:53:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 20:53:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 20:53:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 20:53:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 20:53:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-04 20:53:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-04 20:53:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 20:53:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 20:53:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 20:53:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 20:53:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 20:53:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 20:53:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 20:53:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 20:53:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 20:53:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-04 20:53:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-04 20:53:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-04 20:53:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-04 20:53:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:53:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:53:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:53:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 20:53:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 20:53:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 20:53:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 20:53:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 20:53:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 20:53:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 20:53:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 20:53:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-04 20:53:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:53:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:53:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:53:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:53:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 20:53:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 20:53:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-04 20:53:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 20:53:27,265 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 20:53:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 20:53:27,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 20:53:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 20:53:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 20:53:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 20:53:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 20:53:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 20:53:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 20:53:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 20:53:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 20:53:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 20:53:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 20:53:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 20:53:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 20:53:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-04 20:53:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-04 20:53:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-04 20:53:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-04 20:53:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-04 20:53:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-04 20:53:27,719 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:53:27,728 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:53:36,016 INFO L? ?]: Removed 161 outVars from TransFormulas that were not future-live. [2024-11-04 20:53:36,016 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:53:36,041 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:53:36,041 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-04 20:53:36,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:53:36 BoogieIcfgContainer [2024-11-04 20:53:36,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:53:36,045 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:53:36,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:53:36,049 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:53:36,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:53:23" (1/3) ... [2024-11-04 20:53:36,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1935c5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:53:36, skipping insertion in model container [2024-11-04 20:53:36,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:53:26" (2/3) ... [2024-11-04 20:53:36,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1935c5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:53:36, skipping insertion in model container [2024-11-04 20:53:36,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:53:36" (3/3) ... [2024-11-04 20:53:36,052 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_top_harness_negated.i [2024-11-04 20:53:36,070 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:53:36,070 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:53:36,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:53:36,180 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;@172d5c3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:53:36,181 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:53:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 208 states, 132 states have (on average 1.2196969696969697) internal successors, (161), 132 states have internal predecessors, (161), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-04 20:53:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-04 20:53:36,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:53:36,211 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 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] [2024-11-04 20:53:36,212 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:53:36,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:53:36,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1920431684, now seen corresponding path program 1 times [2024-11-04 20:53:36,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:53:36,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149456977] [2024-11-04 20:53:36,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:53:36,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:53:36,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:53:36,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:53:36,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 20:53:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:53:44,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 2805 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:53:44,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:53:44,069 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-04 20:53:44,069 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:53:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-04 20:53:48,589 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:53:48,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149456977] [2024-11-04 20:53:48,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [149456977] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:53:48,590 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:53:48,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:53:48,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437110986] [2024-11-04 20:53:48,593 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:53:48,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:53:48,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:53:48,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:53:48,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:53:48,633 INFO L87 Difference]: Start difference. First operand has 208 states, 132 states have (on average 1.2196969696969697) internal successors, (161), 132 states have internal predecessors, (161), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-04 20:53:48,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:53:48,685 INFO L93 Difference]: Finished difference Result 393 states and 552 transitions. [2024-11-04 20:53:48,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:53:48,689 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 148 [2024-11-04 20:53:48,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:53:48,698 INFO L225 Difference]: With dead ends: 393 [2024-11-04 20:53:48,699 INFO L226 Difference]: Without dead ends: 203 [2024-11-04 20:53:48,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 294 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 20:53:48,713 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 [2024-11-04 20:53:48,714 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] [2024-11-04 20:53:48,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-04 20:53:48,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-04 20:53:48,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 128 states have internal predecessors, (152), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-04 20:53:48,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 265 transitions. [2024-11-04 20:53:48,767 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 265 transitions. Word has length 148 [2024-11-04 20:53:48,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:53:48,769 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 265 transitions. [2024-11-04 20:53:48,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-04 20:53:48,769 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 265 transitions. [2024-11-04 20:53:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-04 20:53:48,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:53:48,773 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 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] [2024-11-04 20:53:48,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-04 20:53:48,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:53:48,974 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:53:48,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:53:48,975 INFO L85 PathProgramCache]: Analyzing trace with hash 146647490, now seen corresponding path program 1 times [2024-11-04 20:53:48,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:53:48,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968622124] [2024-11-04 20:53:48,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:53:48,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:53:48,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:53:48,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:53:48,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 20:53:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:53:56,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 2805 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 20:53:56,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:53:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-04 20:53:59,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:54:06,548 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-04 20:54:06,548 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:54:06,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968622124] [2024-11-04 20:54:06,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [968622124] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:54:06,549 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:54:06,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2024-11-04 20:54:06,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555064218] [2024-11-04 20:54:06,549 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:54:06,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 20:54:06,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:54:06,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 20:54:06,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:54:06,552 INFO L87 Difference]: Start difference. First operand 203 states and 265 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-04 20:54:10,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:54:10,109 INFO L93 Difference]: Finished difference Result 357 states and 466 transitions. [2024-11-04 20:54:10,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 20:54:10,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 148 [2024-11-04 20:54:10,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:54:10,113 INFO L225 Difference]: With dead ends: 357 [2024-11-04 20:54:10,113 INFO L226 Difference]: Without dead ends: 203 [2024-11-04 20:54:10,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:54:10,115 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 19 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-04 20:54:10,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 1193 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-04 20:54:10,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-04 20:54:10,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-04 20:54:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 127 states have (on average 1.188976377952756) internal successors, (151), 128 states have internal predecessors, (151), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-04 20:54:10,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 264 transitions. [2024-11-04 20:54:10,134 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 264 transitions. Word has length 148 [2024-11-04 20:54:10,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:54:10,135 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 264 transitions. [2024-11-04 20:54:10,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-04 20:54:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 264 transitions. [2024-11-04 20:54:10,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-04 20:54:10,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:54:10,138 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 3, 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] [2024-11-04 20:54:10,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-04 20:54:10,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:54:10,339 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:54:10,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:54:10,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1305118524, now seen corresponding path program 1 times [2024-11-04 20:54:10,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:54:10,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [93690526] [2024-11-04 20:54:10,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:54:10,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:54:10,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:54:10,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:54:10,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 20:54:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:54:16,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 2835 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 20:54:16,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:54:20,831 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-04 20:54:20,832 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:54:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-04 20:54:30,344 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:54:30,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [93690526] [2024-11-04 20:54:30,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [93690526] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 20:54:30,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 20:54:30,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-11-04 20:54:30,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628181909] [2024-11-04 20:54:30,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 20:54:30,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 20:54:30,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:54:30,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 20:54:30,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-04 20:54:30,346 INFO L87 Difference]: Start difference. First operand 203 states and 264 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-04 20:54:38,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:54:38,843 INFO L93 Difference]: Finished difference Result 376 states and 498 transitions. [2024-11-04 20:54:38,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-04 20:54:38,844 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 156 [2024-11-04 20:54:38,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:54:38,849 INFO L225 Difference]: With dead ends: 376 [2024-11-04 20:54:38,849 INFO L226 Difference]: Without dead ends: 205 [2024-11-04 20:54:38,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-04 20:54:38,852 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 46 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-04 20:54:38,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1355 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-11-04 20:54:38,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-04 20:54:38,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-04 20:54:38,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 128 states have (on average 1.1875) internal successors, (152), 130 states have internal predecessors, (152), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-04 20:54:38,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 271 transitions. [2024-11-04 20:54:38,889 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 271 transitions. Word has length 156 [2024-11-04 20:54:38,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:54:38,890 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 271 transitions. [2024-11-04 20:54:38,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-04 20:54:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 271 transitions. [2024-11-04 20:54:38,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-04 20:54:38,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:54:38,893 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:54:38,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-04 20:54:39,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:54:39,094 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:54:39,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:54:39,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1346001346, now seen corresponding path program 1 times [2024-11-04 20:54:39,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:54:39,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010357420] [2024-11-04 20:54:39,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:54:39,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:54:39,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:54:39,098 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:54:39,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-04 20:54:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:54:45,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 2935 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 20:54:45,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:54:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-04 20:54:48,723 INFO L311 TraceCheckSpWp]: Computing backward predicates...