./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_sift_either_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 3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:15:11,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:15:11,415 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:15:11,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:15:11,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:15:11,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:15:11,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:15:11,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:15:11,444 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:15:11,444 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:15:11,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:15:11,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:15:11,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:15:11,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:15:11,445 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:15:11,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:15:11,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:15:11,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:15:11,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:15:11,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:15:11,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:15:11,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:15:11,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:15:11,447 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:15:11,447 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:15:11,447 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:15:11,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:15:11,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:15:11,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:15:11,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:15:11,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:15:11,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:15:11,448 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:15:11,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:15:11,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:15:11,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:15:11,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:15:11,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:15:11,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:15:11,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:15:11,449 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1 [2025-03-08 18:15:11,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:15:11,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:15:11,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:15:11,668 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:15:11,668 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:15:11,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2025-03-08 18:15:12,826 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22fe55c24/d027005153124be7a52966b69b9f521b/FLAGdd1f725ce [2025-03-08 18:15:13,277 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:15:13,278 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2025-03-08 18:15:13,309 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22fe55c24/d027005153124be7a52966b69b9f521b/FLAGdd1f725ce [2025-03-08 18:15:13,391 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22fe55c24/d027005153124be7a52966b69b9f521b [2025-03-08 18:15:13,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:15:13,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:15:13,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:15:13,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:15:13,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:15:13,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:15:13" (1/1) ... [2025-03-08 18:15:13,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4778b0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:13, skipping insertion in model container [2025-03-08 18:15:13,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:15:13" (1/1) ... [2025-03-08 18:15:13,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:15:13,670 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_sift_either_harness.i[4506,4519] [2025-03-08 18:15:13,678 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_sift_either_harness.i[4566,4579] [2025-03-08 18:15:14,262 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,268 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,268 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,269 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,286 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,288 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,290 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,678 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,751 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,761 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,761 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,762 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:15:14,812 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:15:14,827 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_sift_either_harness.i[4506,4519] [2025-03-08 18:15:14,828 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_sift_either_harness.i[4566,4579] [2025-03-08 18:15:14,892 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,894 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,902 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,904 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,904 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,904 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,969 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2025-03-08 18:15:14,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:14,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:15,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:15:15,183 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:15:15,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15 WrapperNode [2025-03-08 18:15:15,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:15:15,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:15:15,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:15:15,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:15:15,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (1/1) ... [2025-03-08 18:15:15,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (1/1) ... [2025-03-08 18:15:15,300 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 947 [2025-03-08 18:15:15,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:15:15,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:15:15,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:15:15,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:15:15,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (1/1) ... [2025-03-08 18:15:15,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (1/1) ... [2025-03-08 18:15:15,317 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (1/1) ... [2025-03-08 18:15:15,399 INFO L175 MemorySlicer]: Split 347 memory accesses to 6 slices as follows [238, 2, 18, 17, 3, 69]. 69 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [6, 2, 5, 4, 1, 0]. The 259 writes are split as follows [232, 0, 6, 3, 1, 17]. [2025-03-08 18:15:15,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (1/1) ... [2025-03-08 18:15:15,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (1/1) ... [2025-03-08 18:15:15,430 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (1/1) ... [2025-03-08 18:15:15,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (1/1) ... [2025-03-08 18:15:15,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (1/1) ... [2025-03-08 18:15:15,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (1/1) ... [2025-03-08 18:15:15,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:15:15,462 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:15:15,462 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:15:15,462 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:15:15,463 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (1/1) ... [2025-03-08 18:15:15,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:15:15,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:15,490 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) [2025-03-08 18:15:15,495 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 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_either [2025-03-08 18:15:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_either [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-08 18:15:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-08 18:15:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-08 18:15:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-08 18:15:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:15:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-08 18:15:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:15:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:15:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:15:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-08 18:15:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 18:15:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:15:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:15:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-08 18:15:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:15:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:15:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:15:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-08 18:15:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-08 18:15:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-08 18:15:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-08 18:15:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:15:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:15:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 18:15:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 18:15:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:15:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:15:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:15:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:15:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:15:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:15:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:15:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:15:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:15:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:15:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:15:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:15:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:15:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-08 18:15:15,513 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-08 18:15:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:15:15,513 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:15:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:15:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:15:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:15:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:15:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:15:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:15:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:15:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:15:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:15:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:15:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:15:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:15:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:15:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:15:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:15:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:15:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:15:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:15:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:15:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:15:15,759 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:15:15,761 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:15:15,797 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-08 18:15:15,804 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-08 18:15:15,830 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:15:15,891 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-03-08 18:15:15,900 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-08 18:15:15,966 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8277: havoc aws_priority_queue_backpointers_valid_#t~ret875#1;havoc aws_priority_queue_backpointers_valid_#t~short876#1; [2025-03-08 18:15:16,112 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-03-08 18:15:16,115 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:15:16,124 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8191: havoc ~node~1.base, ~node~1.offset; [2025-03-08 18:15:16,142 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-08 18:15:16,142 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-03-08 18:15:16,158 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-08 18:15:16,164 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7397: havoc #t~ret682.base, #t~ret682.offset; [2025-03-08 18:15:16,204 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8087: call ULTIMATE.dealloc(~#parent_item~0.base, ~#parent_item~0.offset);havoc ~#parent_item~0.base, ~#parent_item~0.offset;call ULTIMATE.dealloc(~#child_item~0.base, ~#child_item~0.offset);havoc ~#child_item~0.base, ~#child_item~0.offset; [2025-03-08 18:15:21,614 INFO L? ?]: Removed 216 outVars from TransFormulas that were not future-live. [2025-03-08 18:15:21,615 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:15:21,631 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:15:21,631 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:15:21,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:15:21 BoogieIcfgContainer [2025-03-08 18:15:21,632 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:15:21,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:15:21,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:15:21,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:15:21,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:15:13" (1/3) ... [2025-03-08 18:15:21,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2289ac78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:15:21, skipping insertion in model container [2025-03-08 18:15:21,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:15" (2/3) ... [2025-03-08 18:15:21,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2289ac78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:15:21, skipping insertion in model container [2025-03-08 18:15:21,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:15:21" (3/3) ... [2025-03-08 18:15:21,639 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_either_harness.i [2025-03-08 18:15:21,651 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:15:21,652 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_sift_either_harness.i that has 26 procedures, 363 locations, 1 initial locations, 6 loop locations, and 2 error locations. [2025-03-08 18:15:21,727 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:15:21,737 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;@7177fff0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:15:21,738 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 18:15:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 363 states, 215 states have (on average 1.2325581395348837) internal successors, (265), 218 states have internal predecessors, (265), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2025-03-08 18:15:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-08 18:15:21,757 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:21,758 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 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] [2025-03-08 18:15:21,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:21,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:21,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1699224695, now seen corresponding path program 1 times [2025-03-08 18:15:21,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:21,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482402967] [2025-03-08 18:15:21,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:21,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:26,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-08 18:15:26,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-08 18:15:26,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:26,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-03-08 18:15:26,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:26,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482402967] [2025-03-08 18:15:26,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482402967] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:26,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410107821] [2025-03-08 18:15:26,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:26,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:26,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:26,967 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) [2025-03-08 18:15:26,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:15:31,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-08 18:15:31,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-08 18:15:31,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:31,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:31,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 4408 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:15:31,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:15:31,704 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-08 18:15:31,705 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:15:31,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410107821] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:31,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:15:31,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:15:31,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680257504] [2025-03-08 18:15:31,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:15:31,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:15:31,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:15:31,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:15:31,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:15:31,726 INFO L87 Difference]: Start difference. First operand has 363 states, 215 states have (on average 1.2325581395348837) internal successors, (265), 218 states have internal predecessors, (265), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 18:15:31,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:31,790 INFO L93 Difference]: Finished difference Result 701 states and 1052 transitions. [2025-03-08 18:15:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:15:31,791 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2025-03-08 18:15:31,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:31,801 INFO L225 Difference]: With dead ends: 701 [2025-03-08 18:15:31,802 INFO L226 Difference]: Without dead ends: 356 [2025-03-08 18:15:31,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:15:31,812 INFO L435 NwaCegarLoop]: 498 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, 498 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 [2025-03-08 18:15:31,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 18:15:31,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-03-08 18:15:31,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2025-03-08 18:15:31,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 210 states have (on average 1.2142857142857142) internal successors, (255), 212 states have internal predecessors, (255), 120 states have call successors, (120), 25 states have call predecessors, (120), 24 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2025-03-08 18:15:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 493 transitions. [2025-03-08 18:15:31,885 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 493 transitions. Word has length 138 [2025-03-08 18:15:31,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:31,888 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 493 transitions. [2025-03-08 18:15:31,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 18:15:31,889 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 493 transitions. [2025-03-08 18:15:31,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-08 18:15:31,895 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:31,895 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 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] [2025-03-08 18:15:31,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 18:15:32,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 18:15:32,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:32,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:32,097 INFO L85 PathProgramCache]: Analyzing trace with hash 416501516, now seen corresponding path program 1 times [2025-03-08 18:15:32,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:32,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455872261] [2025-03-08 18:15:32,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:32,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:35,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-08 18:15:35,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-08 18:15:35,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:35,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:36,788 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-03-08 18:15:36,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:36,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455872261] [2025-03-08 18:15:36,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455872261] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:36,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996005991] [2025-03-08 18:15:36,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:36,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:36,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:36,792 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) [2025-03-08 18:15:36,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:15:40,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-08 18:15:41,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-08 18:15:41,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:41,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:41,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 4408 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 18:15:41,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:15:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2025-03-08 18:15:41,586 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:15:41,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996005991] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:41,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:15:41,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-08 18:15:41,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314318714] [2025-03-08 18:15:41,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:15:41,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 18:15:41,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:15:41,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 18:15:41,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 18:15:41,591 INFO L87 Difference]: Start difference. First operand 356 states and 493 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 18:15:41,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:41,688 INFO L93 Difference]: Finished difference Result 440 states and 601 transitions. [2025-03-08 18:15:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 18:15:41,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2025-03-08 18:15:41,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:41,692 INFO L225 Difference]: With dead ends: 440 [2025-03-08 18:15:41,692 INFO L226 Difference]: Without dead ends: 357 [2025-03-08 18:15:41,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 18:15:41,693 INFO L435 NwaCegarLoop]: 492 mSDtfsCounter, 0 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 18:15:41,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 979 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 18:15:41,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-03-08 18:15:41,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2025-03-08 18:15:41,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 211 states have (on average 1.2132701421800949) internal successors, (256), 213 states have internal predecessors, (256), 120 states have call successors, (120), 25 states have call predecessors, (120), 24 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2025-03-08 18:15:41,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 494 transitions. [2025-03-08 18:15:41,721 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 494 transitions. Word has length 138 [2025-03-08 18:15:41,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:41,724 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 494 transitions. [2025-03-08 18:15:41,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 18:15:41,724 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 494 transitions. [2025-03-08 18:15:41,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-08 18:15:41,728 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:41,728 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 4, 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] [2025-03-08 18:15:41,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 18:15:41,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-08 18:15:41,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:41,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:41,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1214115799, now seen corresponding path program 1 times [2025-03-08 18:15:41,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:41,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743345309] [2025-03-08 18:15:41,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:41,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:45,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-08 18:15:45,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-08 18:15:45,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:45,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2025-03-08 18:15:46,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:46,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743345309] [2025-03-08 18:15:46,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743345309] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:46,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944642483] [2025-03-08 18:15:46,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:46,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:46,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:46,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:15:46,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 18:15:50,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-08 18:15:50,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-08 18:15:50,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:50,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:51,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 4532 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-08 18:15:51,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:15:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-08 18:15:52,005 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:15:52,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944642483] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:52,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:15:52,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-08 18:15:52,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840737273] [2025-03-08 18:15:52,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:15:52,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 18:15:52,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:15:52,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 18:15:52,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-08 18:15:52,006 INFO L87 Difference]: Start difference. First operand 357 states and 494 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2025-03-08 18:15:54,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:54,358 INFO L93 Difference]: Finished difference Result 668 states and 934 transitions. [2025-03-08 18:15:54,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:15:54,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 157 [2025-03-08 18:15:54,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:54,364 INFO L225 Difference]: With dead ends: 668 [2025-03-08 18:15:54,364 INFO L226 Difference]: Without dead ends: 359 [2025-03-08 18:15:54,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-08 18:15:54,367 INFO L435 NwaCegarLoop]: 442 mSDtfsCounter, 492 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-03-08 18:15:54,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 1726 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-03-08 18:15:54,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-03-08 18:15:54,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2025-03-08 18:15:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 212 states have (on average 1.2122641509433962) internal successors, (257), 215 states have internal predecessors, (257), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (126), 118 states have call predecessors, (126), 118 states have call successors, (126) [2025-03-08 18:15:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 503 transitions. [2025-03-08 18:15:54,386 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 503 transitions. Word has length 157 [2025-03-08 18:15:54,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:54,387 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 503 transitions. [2025-03-08 18:15:54,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2025-03-08 18:15:54,387 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 503 transitions. [2025-03-08 18:15:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-03-08 18:15:54,389 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:54,389 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 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] [2025-03-08 18:15:54,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-08 18:15:54,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:54,590 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:54,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:54,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1136208583, now seen corresponding path program 1 times [2025-03-08 18:15:54,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:54,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428150731] [2025-03-08 18:15:54,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:54,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:58,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-03-08 18:15:58,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-03-08 18:15:58,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:58,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:59,383 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2025-03-08 18:15:59,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:59,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428150731] [2025-03-08 18:15:59,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428150731] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:59,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494604566] [2025-03-08 18:15:59,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:59,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:59,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:59,386 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:15:59,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 18:16:03,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-03-08 18:16:03,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-03-08 18:16:03,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:03,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:03,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 4582 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:16:03,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:16:05,696 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-08 18:16:05,696 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:16:05,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494604566] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:16:05,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:16:05,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-08 18:16:05,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740358209] [2025-03-08 18:16:05,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:16:05,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 18:16:05,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:16:05,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 18:16:05,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-08 18:16:05,698 INFO L87 Difference]: Start difference. First operand 359 states and 503 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2025-03-08 18:16:10,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:16:10,721 INFO L93 Difference]: Finished difference Result 691 states and 989 transitions. [2025-03-08 18:16:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 18:16:10,722 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 165 [2025-03-08 18:16:10,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:16:10,725 INFO L225 Difference]: With dead ends: 691 [2025-03-08 18:16:10,726 INFO L226 Difference]: Without dead ends: 380 [2025-03-08 18:16:10,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-03-08 18:16:10,730 INFO L435 NwaCegarLoop]: 425 mSDtfsCounter, 542 mSDsluCounter, 2057 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 2482 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-08 18:16:10,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 2482 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2025-03-08 18:16:10,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-03-08 18:16:10,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 378. [2025-03-08 18:16:10,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 228 states have (on average 1.2236842105263157) internal successors, (279), 231 states have internal predecessors, (279), 122 states have call successors, (122), 25 states have call predecessors, (122), 26 states have return successors, (139), 121 states have call predecessors, (139), 120 states have call successors, (139) [2025-03-08 18:16:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 540 transitions. [2025-03-08 18:16:10,764 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 540 transitions. Word has length 165 [2025-03-08 18:16:10,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:16:10,765 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 540 transitions. [2025-03-08 18:16:10,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2025-03-08 18:16:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 540 transitions. [2025-03-08 18:16:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2025-03-08 18:16:10,766 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:16:10,767 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 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, 1, 1, 1, 1] [2025-03-08 18:16:10,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-08 18:16:10,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:16:10,967 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:16:10,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:16:10,968 INFO L85 PathProgramCache]: Analyzing trace with hash 60619573, now seen corresponding path program 1 times [2025-03-08 18:16:10,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:16:10,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957892434] [2025-03-08 18:16:10,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:16:10,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:16:14,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-08 18:16:14,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-08 18:16:14,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:14,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2025-03-08 18:16:15,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:16:15,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957892434] [2025-03-08 18:16:15,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957892434] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:16:15,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358419474] [2025-03-08 18:16:15,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:16:15,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:16:15,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:16:15,720 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:16:15,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 18:16:19,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-08 18:16:20,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-08 18:16:20,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:20,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:20,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 4709 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:16:20,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:16:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-08 18:16:21,746 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:16:21,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358419474] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:16:21,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:16:21,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-08 18:16:21,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548326922] [2025-03-08 18:16:21,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:16:21,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 18:16:21,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:16:21,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 18:16:21,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-08 18:16:21,747 INFO L87 Difference]: Start difference. First operand 378 states and 540 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2025-03-08 18:16:25,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:16:25,054 INFO L93 Difference]: Finished difference Result 714 states and 1037 transitions. [2025-03-08 18:16:25,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 18:16:25,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 180 [2025-03-08 18:16:25,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:16:25,058 INFO L225 Difference]: With dead ends: 714 [2025-03-08 18:16:25,058 INFO L226 Difference]: Without dead ends: 384 [2025-03-08 18:16:25,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:16:25,061 INFO L435 NwaCegarLoop]: 434 mSDtfsCounter, 508 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 2102 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:16:25,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 2102 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-03-08 18:16:25,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2025-03-08 18:16:25,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 378. [2025-03-08 18:16:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 228 states have (on average 1.2236842105263157) internal successors, (279), 231 states have internal predecessors, (279), 122 states have call successors, (122), 25 states have call predecessors, (122), 26 states have return successors, (139), 121 states have call predecessors, (139), 120 states have call successors, (139) [2025-03-08 18:16:25,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 540 transitions. [2025-03-08 18:16:25,079 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 540 transitions. Word has length 180 [2025-03-08 18:16:25,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:16:25,080 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 540 transitions. [2025-03-08 18:16:25,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2025-03-08 18:16:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 540 transitions. [2025-03-08 18:16:25,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-08 18:16:25,084 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:16:25,084 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:16:25,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-08 18:16:25,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:16:25,285 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:16:25,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:16:25,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1287504403, now seen corresponding path program 1 times [2025-03-08 18:16:25,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:16:25,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341239308] [2025-03-08 18:16:25,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:16:25,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:16:28,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-08 18:16:28,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-08 18:16:28,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:28,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2025-03-08 18:16:30,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:16:30,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341239308] [2025-03-08 18:16:30,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341239308] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:16:30,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015461006] [2025-03-08 18:16:30,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:16:30,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:16:30,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:16:30,482 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:16:30,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-08 18:16:34,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-08 18:16:35,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-08 18:16:35,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:35,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:35,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 4781 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-08 18:16:35,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:16:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-08 18:16:37,546 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:16:37,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015461006] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:16:37,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:16:37,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-03-08 18:16:37,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769955214] [2025-03-08 18:16:37,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:16:37,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 18:16:37,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:16:37,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 18:16:37,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:16:37,549 INFO L87 Difference]: Start difference. First operand 378 states and 540 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2025-03-08 18:16:43,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:16:43,994 INFO L93 Difference]: Finished difference Result 725 states and 1047 transitions. [2025-03-08 18:16:43,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 18:16:43,994 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 196 [2025-03-08 18:16:43,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:16:43,998 INFO L225 Difference]: With dead ends: 725 [2025-03-08 18:16:43,998 INFO L226 Difference]: Without dead ends: 395 [2025-03-08 18:16:43,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-08 18:16:44,001 INFO L435 NwaCegarLoop]: 419 mSDtfsCounter, 564 mSDsluCounter, 2419 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 2838 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-03-08 18:16:44,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 2838 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2025-03-08 18:16:44,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2025-03-08 18:16:44,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 378. [2025-03-08 18:16:44,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 228 states have (on average 1.2236842105263157) internal successors, (279), 231 states have internal predecessors, (279), 122 states have call successors, (122), 25 states have call predecessors, (122), 26 states have return successors, (139), 121 states have call predecessors, (139), 120 states have call successors, (139) [2025-03-08 18:16:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 540 transitions. [2025-03-08 18:16:44,021 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 540 transitions. Word has length 196 [2025-03-08 18:16:44,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:16:44,021 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 540 transitions. [2025-03-08 18:16:44,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2025-03-08 18:16:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 540 transitions. [2025-03-08 18:16:44,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-03-08 18:16:44,023 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:16:44,024 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 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, 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] [2025-03-08 18:16:44,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0