./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 78600a0192aa5022cfa892dc75b9c3e66d227a70dec366d4a7d6798475c28388 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:18:21,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:18:21,963 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:18:21,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:18:21,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:18:22,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:18:22,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:18:22,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:18:22,008 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:18:22,009 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:18:22,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:18:22,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:18:22,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:18:22,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:18:22,013 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:18:22,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:18:22,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:18:22,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:18:22,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:18:22,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:18:22,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:18:22,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:18:22,019 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:18:22,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:18:22,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:18:22,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:18:22,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:18:22,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:18:22,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:18:22,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:18:22,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:18:22,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:18:22,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:18:22,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:18:22,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:18:22,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:18:22,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:18:22,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:18:22,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:18:22,023 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78600a0192aa5022cfa892dc75b9c3e66d227a70dec366d4a7d6798475c28388 [2024-11-09 03:18:22,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:18:22,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:18:22,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:18:22,409 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:18:22,409 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:18:22,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i [2024-11-09 03:18:23,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:18:24,400 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:18:24,401 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i [2024-11-09 03:18:24,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/631df9497/1dea5754f144492fa3a7b7d434959710/FLAGd050abafd [2024-11-09 03:18:24,454 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/631df9497/1dea5754f144492fa3a7b7d434959710 [2024-11-09 03:18:24,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:18:24,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:18:24,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:18:24,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:18:24,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:18:24,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:18:24" (1/1) ... [2024-11-09 03:18:24,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55244eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:24, skipping insertion in model container [2024-11-09 03:18:24,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:18:24" (1/1) ... [2024-11-09 03:18:24,578 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:18:24,877 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i[4506,4519] [2024-11-09 03:18:24,886 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i[4566,4579] [2024-11-09 03:18:25,740 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,743 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,744 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,746 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,747 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,766 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,767 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,769 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,769 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,771 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,351 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,359 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,430 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,431 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,432 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,432 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,432 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,433 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,433 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,434 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,434 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,434 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,435 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,435 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,435 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,439 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,440 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,440 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,441 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,457 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,458 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,471 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,476 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,477 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:18:26,525 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:18:26,542 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i[4506,4519] [2024-11-09 03:18:26,543 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i[4566,4579] [2024-11-09 03:18:26,584 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,584 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,585 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,585 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,586 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,594 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,709 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,760 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7818-7829] [2024-11-09 03:18:26,800 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,801 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,801 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,803 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,819 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,822 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,826 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:18:27,061 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:18:27,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27 WrapperNode [2024-11-09 03:18:27,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:18:27,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:18:27,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:18:27,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:18:27,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:27,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:27,249 INFO L138 Inliner]: procedures = 688, calls = 1968, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 746 [2024-11-09 03:18:27,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:18:27,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:18:27,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:18:27,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:18:27,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:27,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:27,280 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:27,373 INFO L175 MemorySlicer]: Split 356 memory accesses to 5 slices as follows [2, 3, 262, 76, 13]. 74 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 1, 11, 0, 11]. The 262 writes are split as follows [0, 1, 242, 19, 0]. [2024-11-09 03:18:27,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:27,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:27,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:27,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:27,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:27,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:27,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:18:27,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:18:27,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:18:27,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:18:27,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:27,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:18:27,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:18:27,544 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) [2024-11-09 03:18:27,556 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 [2024-11-09 03:18:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-09 03:18:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-09 03:18:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:18:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 03:18:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 03:18:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 03:18:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 03:18:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:18:27,645 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:18:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:18:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:18:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:18:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:18:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:18:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:18:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:18:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:18:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:18:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:18:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:18:27,647 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:18:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:18:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:18:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:18:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:18:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:18:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:18:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:18:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:18:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:18:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:18:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:18:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:18:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:18:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:18:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:18:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 03:18:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 03:18:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:18:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:18:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:18:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:18:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:18:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:18:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:18:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-09 03:18:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-09 03:18:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-09 03:18:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-09 03:18:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:18:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:18:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:18:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:18:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:18:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:18:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:18:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:18:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:18:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:18:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:18:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:18:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:18:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:18:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:18:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:18:27,655 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:18:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 03:18:27,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 03:18:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_using_uint64_impl [2024-11-09 03:18:27,656 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_using_uint64_impl [2024-11-09 03:18:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:18:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:18:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:18:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:18:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:18:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 03:18:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 03:18:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:18:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:18:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:18:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:18:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:18:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-09 03:18:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-09 03:18:27,977 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:18:27,979 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:18:34,617 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-09 03:18:34,617 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:18:34,640 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:18:34,642 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 03:18:34,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:34 BoogieIcfgContainer [2024-11-09 03:18:34,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:18:34,646 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:18:34,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:18:34,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:18:34,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:18:24" (1/3) ... [2024-11-09 03:18:34,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e77adea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:18:34, skipping insertion in model container [2024-11-09 03:18:34,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (2/3) ... [2024-11-09 03:18:34,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e77adea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:18:34, skipping insertion in model container [2024-11-09 03:18:34,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:34" (3/3) ... [2024-11-09 03:18:34,654 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_remove_node_harness.i [2024-11-09 03:18:34,672 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:18:34,673 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:18:34,755 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:18:34,762 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;@76a93b1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:18:34,762 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:18:34,769 INFO L276 IsEmpty]: Start isEmpty. Operand has 248 states, 162 states have (on average 1.271604938271605) internal successors, (206), 163 states have internal predecessors, (206), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 03:18:34,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 03:18:34,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:18:34,795 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:18:34,796 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:18:34,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:18:34,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1715384061, now seen corresponding path program 1 times [2024-11-09 03:18:34,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:18:34,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509613862] [2024-11-09 03:18:34,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:18:34,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:18:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:18:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:18:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:18:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:18:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:18:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:18:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:18:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:18:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:18:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:18:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:18:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:18:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:18:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:18:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:18:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:18:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:18:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:18:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:18:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 03:18:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 03:18:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 03:18:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:18:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 03:18:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 03:18:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-09 03:18:42,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:18:42,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509613862] [2024-11-09 03:18:42,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509613862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:18:42,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:18:42,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 03:18:42,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437647528] [2024-11-09 03:18:42,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:18:42,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:18:42,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:18:42,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:18:42,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:18:42,307 INFO L87 Difference]: Start difference. First operand has 248 states, 162 states have (on average 1.271604938271605) internal successors, (206), 163 states have internal predecessors, (206), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 03:18:46,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:18:50,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:18:55,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:19:03,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:03,159 INFO L93 Difference]: Finished difference Result 553 states and 824 transitions. [2024-11-09 03:19:03,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:19:03,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2024-11-09 03:19:03,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:03,182 INFO L225 Difference]: With dead ends: 553 [2024-11-09 03:19:03,182 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 03:19:03,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:19:03,205 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 363 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 317 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:03,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 277 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 338 Invalid, 3 Unknown, 0 Unchecked, 20.0s Time] [2024-11-09 03:19:03,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 03:19:03,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 243. [2024-11-09 03:19:03,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 158 states have (on average 1.2531645569620253) internal successors, (198), 159 states have internal predecessors, (198), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-09 03:19:03,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 327 transitions. [2024-11-09 03:19:03,312 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 327 transitions. Word has length 147 [2024-11-09 03:19:03,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:03,317 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 327 transitions. [2024-11-09 03:19:03,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 03:19:03,318 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 327 transitions. [2024-11-09 03:19:03,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 03:19:03,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:03,328 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:19:03,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:19:03,328 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:03,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:03,329 INFO L85 PathProgramCache]: Analyzing trace with hash -2013094911, now seen corresponding path program 1 times [2024-11-09 03:19:03,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:03,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848180126] [2024-11-09 03:19:03,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:03,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:19:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:08,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:08,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:19:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:08,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:19:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:08,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:19:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:09,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:19:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:19:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:09,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:19:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:09,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:19:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:09,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:19:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:09,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:19:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:09,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:09,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:09,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:19:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:09,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:09,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:19:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:19:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:19:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:19:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 03:19:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 03:19:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 03:19:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:19:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 03:19:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 03:19:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,385 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 03:19:10,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:19:10,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848180126] [2024-11-09 03:19:10,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848180126] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:19:10,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227630143] [2024-11-09 03:19:10,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:10,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:10,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:19:10,389 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) [2024-11-09 03:19:10,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 03:19:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:15,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 4446 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 03:19:15,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:19:15,977 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-09 03:19:15,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:19:15,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227630143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:19:15,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:19:15,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2024-11-09 03:19:15,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486240272] [2024-11-09 03:19:15,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:19:15,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:19:15,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:19:15,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:19:15,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:19:15,982 INFO L87 Difference]: Start difference. First operand 243 states and 327 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 03:19:16,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:16,095 INFO L93 Difference]: Finished difference Result 462 states and 624 transitions. [2024-11-09 03:19:16,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:19:16,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2024-11-09 03:19:16,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:16,101 INFO L225 Difference]: With dead ends: 462 [2024-11-09 03:19:16,101 INFO L226 Difference]: Without dead ends: 244 [2024-11-09 03:19:16,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:19:16,104 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 0 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:16,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 648 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 03:19:16,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-09 03:19:16,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-11-09 03:19:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 159 states have (on average 1.251572327044025) internal successors, (199), 160 states have internal predecessors, (199), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-09 03:19:16,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 328 transitions. [2024-11-09 03:19:16,141 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 328 transitions. Word has length 147 [2024-11-09 03:19:16,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:16,142 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 328 transitions. [2024-11-09 03:19:16,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 03:19:16,142 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 328 transitions. [2024-11-09 03:19:16,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 03:19:16,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:16,149 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:19:16,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 03:19:16,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:16,351 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:16,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:16,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1196603455, now seen corresponding path program 1 times [2024-11-09 03:19:16,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:16,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900619324] [2024-11-09 03:19:16,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:16,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:19:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:19:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:19:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:19:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:19:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:19:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:19:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:19:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:19:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:19:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:19:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:23,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:24,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:19:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:24,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:19:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:24,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:19:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:19:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 03:19:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 03:19:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 03:19:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:19:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 03:19:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 03:19:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-09 03:19:25,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:19:25,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900619324] [2024-11-09 03:19:25,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900619324] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:19:25,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258674056] [2024-11-09 03:19:25,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:25,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:25,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:19:25,549 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) [2024-11-09 03:19:25,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 03:19:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:31,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 4452 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 03:19:31,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:19:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 03:19:32,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 03:19:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-09 03:19:35,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258674056] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 03:19:35,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 03:19:35,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 10 [2024-11-09 03:19:35,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687498123] [2024-11-09 03:19:35,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 03:19:35,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 03:19:35,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:19:35,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 03:19:35,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 03:19:35,437 INFO L87 Difference]: Start difference. First operand 244 states and 328 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (31), 5 states have call predecessors, (31), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-09 03:19:39,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:19:43,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []