./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_remove_harness_negated.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 fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:21:15,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:21:15,276 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:21:15,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:21:15,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:21:15,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:21:15,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:21:15,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:21:15,307 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:21:15,307 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:21:15,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:21:15,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:21:15,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:21:15,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:21:15,308 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:21:15,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:21:15,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:21:15,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:21:15,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:21:15,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:21:15,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:21:15,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:21:15,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:21:15,309 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:21:15,310 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:21:15,310 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:21:15,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:21:15,310 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:21:15,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:21:15,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:21:15,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:21:15,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:21:15,311 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:21:15,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:21:15,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:21:15,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:21:15,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:21:15,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:21:15,311 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:21:15,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:21:15,311 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 -> fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee [2025-03-17 07:21:15,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:21:15,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:21:15,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:21:15,566 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:21:15,566 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:21:15,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2025-03-17 07:21:16,720 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca1713d77/a827e3fe55ff4755be9f5c00e9ec4a4d/FLAG863a54e6c [2025-03-17 07:21:17,225 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:21:17,225 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2025-03-17 07:21:17,267 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca1713d77/a827e3fe55ff4755be9f5c00e9ec4a4d/FLAG863a54e6c [2025-03-17 07:21:17,297 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca1713d77/a827e3fe55ff4755be9f5c00e9ec4a4d [2025-03-17 07:21:17,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:21:17,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:21:17,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:21:17,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:21:17,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:21:17,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:21:17" (1/1) ... [2025-03-17 07:21:17,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ec57db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:17, skipping insertion in model container [2025-03-17 07:21:17,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:21:17" (1/1) ... [2025-03-17 07:21:17,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:21:17,632 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_remove_harness_negated.i[4499,4512] [2025-03-17 07:21:17,641 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_remove_harness_negated.i[4559,4572] [2025-03-17 07:21:18,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,217 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,217 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,218 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,657 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,657 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,658 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,658 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,658 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,666 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,666 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,666 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,678 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,680 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:21:18,742 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:21:18,751 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_remove_harness_negated.i[4499,4512] [2025-03-17 07:21:18,756 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_remove_harness_negated.i[4559,4572] [2025-03-17 07:21:18,814 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,827 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,827 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,892 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-03-17 07:21:18,923 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,931 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,931 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,935 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,944 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,944 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,945 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:18,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:21:19,113 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:21:19,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19 WrapperNode [2025-03-17 07:21:19,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:21:19,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:21:19,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:21:19,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:21:19,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (1/1) ... [2025-03-17 07:21:19,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (1/1) ... [2025-03-17 07:21:19,222 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1082 [2025-03-17 07:21:19,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:21:19,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:21:19,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:21:19,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:21:19,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (1/1) ... [2025-03-17 07:21:19,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (1/1) ... [2025-03-17 07:21:19,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (1/1) ... [2025-03-17 07:21:19,331 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 3, 13, 264, 17, 97]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 1, 11, 12, 4, 0]. The 262 writes are split as follows [0, 1, 0, 240, 3, 18]. [2025-03-17 07:21:19,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (1/1) ... [2025-03-17 07:21:19,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (1/1) ... [2025-03-17 07:21:19,356 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (1/1) ... [2025-03-17 07:21:19,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (1/1) ... [2025-03-17 07:21:19,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (1/1) ... [2025-03-17 07:21:19,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (1/1) ... [2025-03-17 07:21:19,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:21:19,392 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:21:19,392 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:21:19,392 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:21:19,396 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (1/1) ... [2025-03-17 07:21:19,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:21:19,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:19,425 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) [2025-03-17 07:21:19,430 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 [2025-03-17 07:21:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-17 07:21:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-17 07:21:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-17 07:21:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-17 07:21:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:21:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-17 07:21:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-17 07:21:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-17 07:21:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-17 07:21:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:21:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:21:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-17 07:21:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-17 07:21:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:21:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:21:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:21:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:21:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:21:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:21:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:21:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:21:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:21:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:21:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:21:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:21:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:21:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:21:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:21:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:21:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-03-17 07:21:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-03-17 07:21:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:21:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:21:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:21:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:21:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:21:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-17 07:21:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-17 07:21:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:21:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:21:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-17 07:21:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:21:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 07:21:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-17 07:21:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-17 07:21:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-17 07:21:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:21:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:21:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:21:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:21:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:21:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:21:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:21:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-03-17 07:21:19,453 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-03-17 07:21:19,770 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:21:19,773 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:21:19,815 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-17 07:21:19,820 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-17 07:21:19,850 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:21:19,890 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-17 07:21:20,013 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8240: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-03-17 07:21:20,086 INFO L1322 $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; [2025-03-17 07:21:20,089 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:21:20,133 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-03-17 07:21:20,238 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8350: call ULTIMATE.dealloc(~#backpointer~0#1.base, ~#backpointer~0#1.offset);havoc ~#backpointer~0#1.base, ~#backpointer~0#1.offset; [2025-03-17 07:21:20,260 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-17 07:21:20,260 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-03-17 07:21:20,275 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-17 07:21:20,280 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-03-17 07:21:20,308 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8050: 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; [2025-03-17 07:21:20,386 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2025-03-17 07:21:26,210 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8385-2: havoc aws_priority_queue_remove_#t~ret928#1; [2025-03-17 07:21:26,210 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8387-2: havoc aws_priority_queue_remove_#t~ret930#1; [2025-03-17 07:21:26,453 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-03-17 07:21:26,453 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-03-17 07:21:26,571 INFO L? ?]: Removed 258 outVars from TransFormulas that were not future-live. [2025-03-17 07:21:26,572 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:21:26,591 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:21:26,591 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:21:26,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:21:26 BoogieIcfgContainer [2025-03-17 07:21:26,592 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:21:26,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:21:26,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:21:26,600 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:21:26,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:21:17" (1/3) ... [2025-03-17 07:21:26,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65de2141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:21:26, skipping insertion in model container [2025-03-17 07:21:26,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:19" (2/3) ... [2025-03-17 07:21:26,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65de2141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:21:26, skipping insertion in model container [2025-03-17 07:21:26,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:21:26" (3/3) ... [2025-03-17 07:21:26,604 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness_negated.i [2025-03-17 07:21:26,614 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:21:26,616 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_remove_harness_negated.i that has 34 procedures, 476 locations, 1 initial locations, 12 loop locations, and 2 error locations. [2025-03-17 07:21:26,671 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:21:26,680 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;@4c289d7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:21:26,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-17 07:21:26,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 456 states, 259 states have (on average 1.250965250965251) internal successors, (324), 264 states have internal predecessors, (324), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2025-03-17 07:21:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-03-17 07:21:26,698 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:21:26,699 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:21:26,699 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:21:26,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:21:26,703 INFO L85 PathProgramCache]: Analyzing trace with hash 283453556, now seen corresponding path program 1 times [2025-03-17 07:21:26,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:21:26,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862937666] [2025-03-17 07:21:26,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:26,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:21:30,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-03-17 07:21:31,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-03-17 07:21:31,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:31,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:31,714 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-03-17 07:21:31,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:21:31,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862937666] [2025-03-17 07:21:31,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862937666] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:21:31,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111533681] [2025-03-17 07:21:31,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:31,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:21:31,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:31,719 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) [2025-03-17 07:21:31,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:21:35,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-03-17 07:21:36,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-03-17 07:21:36,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:36,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:36,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 4516 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:21:36,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:21:36,358 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-03-17 07:21:36,358 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:21:36,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111533681] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:21:36,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:21:36,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:21:36,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092639169] [2025-03-17 07:21:36,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:21:36,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:21:36,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:21:36,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:21:36,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:21:36,387 INFO L87 Difference]: Start difference. First operand has 456 states, 259 states have (on average 1.250965250965251) internal successors, (324), 264 states have internal predecessors, (324), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-17 07:21:36,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:21:36,461 INFO L93 Difference]: Finished difference Result 886 states and 1385 transitions. [2025-03-17 07:21:36,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:21:36,463 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 167 [2025-03-17 07:21:36,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:21:36,474 INFO L225 Difference]: With dead ends: 886 [2025-03-17 07:21:36,474 INFO L226 Difference]: Without dead ends: 451 [2025-03-17 07:21:36,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:21:36,481 INFO L435 NwaCegarLoop]: 647 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, 647 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 [2025-03-17 07:21:36,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:21:36,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-03-17 07:21:36,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2025-03-17 07:21:36,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 256 states have (on average 1.2265625) internal successors, (314), 259 states have internal predecessors, (314), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2025-03-17 07:21:36,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 644 transitions. [2025-03-17 07:21:36,547 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 644 transitions. Word has length 167 [2025-03-17 07:21:36,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:21:36,548 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 644 transitions. [2025-03-17 07:21:36,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-17 07:21:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 644 transitions. [2025-03-17 07:21:36,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-03-17 07:21:36,552 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:21:36,552 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 07:21:36,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 07:21:36,753 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 [2025-03-17 07:21:36,754 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:21:36,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:21:36,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1410979292, now seen corresponding path program 1 times [2025-03-17 07:21:36,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:21:36,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655796392] [2025-03-17 07:21:36,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:36,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:21:40,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-17 07:21:40,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-17 07:21:40,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:40,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-03-17 07:21:42,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:21:42,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655796392] [2025-03-17 07:21:42,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655796392] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:21:42,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38463346] [2025-03-17 07:21:42,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:42,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:21:42,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:42,077 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) [2025-03-17 07:21:42,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:21:46,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-17 07:21:46,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-17 07:21:46,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:46,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:46,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 4600 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 07:21:46,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:21:47,803 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-03-17 07:21:47,803 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:21:47,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38463346] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:21:47,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:21:47,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-17 07:21:47,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283944681] [2025-03-17 07:21:47,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:21:47,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:21:47,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:21:47,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:21:47,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:21:47,805 INFO L87 Difference]: Start difference. First operand 451 states and 644 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-03-17 07:21:49,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:21:49,364 INFO L93 Difference]: Finished difference Result 856 states and 1240 transitions. [2025-03-17 07:21:49,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:21:49,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 183 [2025-03-17 07:21:49,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:21:49,370 INFO L225 Difference]: With dead ends: 856 [2025-03-17 07:21:49,370 INFO L226 Difference]: Without dead ends: 453 [2025-03-17 07:21:49,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:21:49,374 INFO L435 NwaCegarLoop]: 610 mSDtfsCounter, 42 mSDsluCounter, 1732 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 2342 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-17 07:21:49,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 2342 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-17 07:21:49,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2025-03-17 07:21:49,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2025-03-17 07:21:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 257 states have (on average 1.2256809338521402) internal successors, (315), 261 states have internal predecessors, (315), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2025-03-17 07:21:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 658 transitions. [2025-03-17 07:21:49,399 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 658 transitions. Word has length 183 [2025-03-17 07:21:49,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:21:49,399 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 658 transitions. [2025-03-17 07:21:49,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-03-17 07:21:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 658 transitions. [2025-03-17 07:21:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-17 07:21:49,401 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:21:49,402 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 07:21:49,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 07:21:49,602 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 [2025-03-17 07:21:49,602 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:21:49,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:21:49,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1093642780, now seen corresponding path program 1 times [2025-03-17 07:21:49,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:21:49,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738240781] [2025-03-17 07:21:49,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:49,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:21:53,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-17 07:21:53,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-17 07:21:53,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:53,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:54,840 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2025-03-17 07:21:54,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:21:54,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738240781] [2025-03-17 07:21:54,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738240781] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:21:54,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144675744] [2025-03-17 07:21:54,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:54,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:21:54,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:54,843 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) [2025-03-17 07:21:54,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 07:21:59,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-17 07:21:59,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-17 07:21:59,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:59,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:59,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 4650 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:21:59,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:22:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-03-17 07:22:00,700 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:22:00,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144675744] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:22:00,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:22:00,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-03-17 07:22:00,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144379738] [2025-03-17 07:22:00,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:22:00,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 07:22:00,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:22:00,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 07:22:00,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-03-17 07:22:00,704 INFO L87 Difference]: Start difference. First operand 453 states and 658 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2025-03-17 07:22:04,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:04,693 INFO L93 Difference]: Finished difference Result 879 states and 1311 transitions. [2025-03-17 07:22:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 07:22:04,694 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 191 [2025-03-17 07:22:04,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:04,698 INFO L225 Difference]: With dead ends: 879 [2025-03-17 07:22:04,698 INFO L226 Difference]: Without dead ends: 474 [2025-03-17 07:22:04,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-17 07:22:04,701 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 69 mSDsluCounter, 2797 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 3384 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2025-03-17 07:22:04,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 3384 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2025-03-17 07:22:04,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2025-03-17 07:22:04,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 472. [2025-03-17 07:22:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 273 states have (on average 1.2344322344322345) internal successors, (337), 277 states have internal predecessors, (337), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-03-17 07:22:04,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 701 transitions. [2025-03-17 07:22:04,732 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 701 transitions. Word has length 191 [2025-03-17 07:22:04,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:04,734 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 701 transitions. [2025-03-17 07:22:04,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2025-03-17 07:22:04,734 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 701 transitions. [2025-03-17 07:22:04,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2025-03-17 07:22:04,737 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:04,737 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 07:22:04,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 07:22:04,937 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 [2025-03-17 07:22:04,938 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:04,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:04,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1029775404, now seen corresponding path program 1 times [2025-03-17 07:22:04,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:04,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039012851] [2025-03-17 07:22:04,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:04,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:22:08,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-03-17 07:22:08,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-03-17 07:22:08,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:08,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:10,047 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-03-17 07:22:10,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:22:10,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039012851] [2025-03-17 07:22:10,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039012851] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:22:10,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104063775] [2025-03-17 07:22:10,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:10,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:22:10,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:22:10,050 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) [2025-03-17 07:22:10,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 07:22:14,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-03-17 07:22:14,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-03-17 07:22:14,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:14,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:14,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 4777 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:22:14,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:22:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-03-17 07:22:15,890 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:22:15,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104063775] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:22:15,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:22:15,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-03-17 07:22:15,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591166202] [2025-03-17 07:22:15,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:22:15,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 07:22:15,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:22:15,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 07:22:15,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-17 07:22:15,892 INFO L87 Difference]: Start difference. First operand 472 states and 701 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-17 07:22:18,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:18,244 INFO L93 Difference]: Finished difference Result 902 states and 1370 transitions. [2025-03-17 07:22:18,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 07:22:18,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 206 [2025-03-17 07:22:18,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:18,249 INFO L225 Difference]: With dead ends: 902 [2025-03-17 07:22:18,249 INFO L226 Difference]: Without dead ends: 478 [2025-03-17 07:22:18,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-17 07:22:18,252 INFO L435 NwaCegarLoop]: 604 mSDtfsCounter, 59 mSDsluCounter, 2280 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-03-17 07:22:18,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 2884 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-03-17 07:22:18,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2025-03-17 07:22:18,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 472. [2025-03-17 07:22:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 273 states have (on average 1.2344322344322345) internal successors, (337), 277 states have internal predecessors, (337), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-03-17 07:22:18,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 701 transitions. [2025-03-17 07:22:18,281 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 701 transitions. Word has length 206 [2025-03-17 07:22:18,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:18,282 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 701 transitions. [2025-03-17 07:22:18,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-17 07:22:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 701 transitions. [2025-03-17 07:22:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2025-03-17 07:22:18,284 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:18,285 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:22:18,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 07:22:18,489 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 [2025-03-17 07:22:18,489 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:18,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:18,490 INFO L85 PathProgramCache]: Analyzing trace with hash -151829786, now seen corresponding path program 1 times [2025-03-17 07:22:18,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:18,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63765885] [2025-03-17 07:22:18,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:18,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:22:22,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-03-17 07:22:22,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-03-17 07:22:22,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:22,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-03-17 07:22:24,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:22:24,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63765885] [2025-03-17 07:22:24,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63765885] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:22:24,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063107788] [2025-03-17 07:22:24,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:24,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:22:24,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:22:24,034 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) [2025-03-17 07:22:24,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 07:22:28,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-03-17 07:22:29,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-03-17 07:22:29,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:29,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:29,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 4849 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 07:22:29,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:22:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-17 07:22:31,031 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:22:31,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063107788] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:22:31,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:22:31,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2025-03-17 07:22:31,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789652784] [2025-03-17 07:22:31,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:22:31,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 07:22:31,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:22:31,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 07:22:31,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-17 07:22:31,036 INFO L87 Difference]: Start difference. First operand 472 states and 701 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2025-03-17 07:22:36,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:36,355 INFO L93 Difference]: Finished difference Result 913 states and 1375 transitions. [2025-03-17 07:22:36,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 07:22:36,356 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 222 [2025-03-17 07:22:36,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:36,361 INFO L225 Difference]: With dead ends: 913 [2025-03-17 07:22:36,362 INFO L226 Difference]: Without dead ends: 489 [2025-03-17 07:22:36,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-03-17 07:22:36,365 INFO L435 NwaCegarLoop]: 581 mSDtfsCounter, 94 mSDsluCounter, 3315 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 3896 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2025-03-17 07:22:36,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 3896 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2025-03-17 07:22:36,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2025-03-17 07:22:36,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 472. [2025-03-17 07:22:36,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 273 states have (on average 1.2344322344322345) internal successors, (337), 277 states have internal predecessors, (337), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-03-17 07:22:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 701 transitions. [2025-03-17 07:22:36,389 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 701 transitions. Word has length 222 [2025-03-17 07:22:36,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:36,390 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 701 transitions. [2025-03-17 07:22:36,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2025-03-17 07:22:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 701 transitions. [2025-03-17 07:22:36,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2025-03-17 07:22:36,393 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:36,393 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 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, 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] [2025-03-17 07:22:36,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 07:22:36,593 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 [2025-03-17 07:22:36,595 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:36,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:36,595 INFO L85 PathProgramCache]: Analyzing trace with hash -471599630, now seen corresponding path program 2 times [2025-03-17 07:22:36,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:36,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281666033] [2025-03-17 07:22:36,596 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 07:22:36,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:22:40,326 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 237 statements into 2 equivalence classes. [2025-03-17 07:22:40,403 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 26 of 237 statements. [2025-03-17 07:22:40,403 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 07:22:40,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:42,486 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2025-03-17 07:22:42,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:22:42,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281666033] [2025-03-17 07:22:42,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281666033] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:22:42,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:22:42,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 07:22:42,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422632792] [2025-03-17 07:22:42,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:22:42,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 07:22:42,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:22:42,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 07:22:42,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 07:22:42,489 INFO L87 Difference]: Start difference. First operand 472 states and 701 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2025-03-17 07:22:42,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:42,999 INFO L93 Difference]: Finished difference Result 480 states and 709 transitions. [2025-03-17 07:22:42,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 07:22:42,999 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) Word has length 237 [2025-03-17 07:22:43,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:43,003 INFO L225 Difference]: With dead ends: 480 [2025-03-17 07:22:43,003 INFO L226 Difference]: Without dead ends: 478 [2025-03-17 07:22:43,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-17 07:22:43,005 INFO L435 NwaCegarLoop]: 641 mSDtfsCounter, 3 mSDsluCounter, 2537 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3178 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 07:22:43,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3178 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 07:22:43,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2025-03-17 07:22:43,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 477. [2025-03-17 07:22:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 276 states have (on average 1.2318840579710144) internal successors, (340), 280 states have internal predecessors, (340), 169 states have call successors, (169), 29 states have call predecessors, (169), 30 states have return successors, (197), 168 states have call predecessors, (197), 167 states have call successors, (197) [2025-03-17 07:22:43,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 706 transitions. [2025-03-17 07:22:43,025 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 706 transitions. Word has length 237 [2025-03-17 07:22:43,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:43,026 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 706 transitions. [2025-03-17 07:22:43,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2025-03-17 07:22:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 706 transitions. [2025-03-17 07:22:43,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-03-17 07:22:43,028 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:43,028 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 07:22:43,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 07:22:43,028 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:43,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:43,028 INFO L85 PathProgramCache]: Analyzing trace with hash -989974344, now seen corresponding path program 3 times [2025-03-17 07:22:43,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:43,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225668477] [2025-03-17 07:22:43,029 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 07:22:43,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms