./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_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_pop_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 c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:20:59,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:20:59,746 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:20:59,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:20:59,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:20:59,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:20:59,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:20:59,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:20:59,772 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:20:59,773 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:20:59,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:20:59,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:20:59,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:20:59,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:20:59,774 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:20:59,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:20:59,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:20:59,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:20:59,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:20:59,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:20:59,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:20:59,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:20:59,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:20:59,775 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:20:59,775 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:20:59,775 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:20:59,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:20:59,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:20:59,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:20:59,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:20:59,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:20:59,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:20:59,776 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:20:59,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:20:59,776 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:20:59,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:20:59,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:20:59,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:20:59,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:20:59,776 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:20:59,776 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 -> c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 [2025-03-17 07:20:59,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:20:59,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:20:59,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:20:59,986 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:20:59,986 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:20:59,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2025-03-17 07:21:01,099 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28cba4dc0/c56525effc874cc5976c9d07ff0d01da/FLAGff9f9ca69 [2025-03-17 07:21:01,588 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:21:01,589 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2025-03-17 07:21:01,625 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28cba4dc0/c56525effc874cc5976c9d07ff0d01da/FLAGff9f9ca69 [2025-03-17 07:21:01,673 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28cba4dc0/c56525effc874cc5976c9d07ff0d01da [2025-03-17 07:21:01,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:21:01,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:21:01,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:21:01,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:21:01,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:21:01,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:21:01" (1/1) ... [2025-03-17 07:21:01,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39207bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:01, skipping insertion in model container [2025-03-17 07:21:01,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:21:01" (1/1) ... [2025-03-17 07:21:01,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:21:01,907 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_pop_harness_negated.i[4496,4509] [2025-03-17 07:21:01,913 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_pop_harness_negated.i[4556,4569] [2025-03-17 07:21:02,336 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,338 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,347 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,349 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,352 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,691 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,747 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,751 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,756 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,756 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,756 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:21:02,814 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:21:02,824 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_pop_harness_negated.i[4496,4509] [2025-03-17 07:21:02,825 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_pop_harness_negated.i[4556,4569] [2025-03-17 07:21:02,895 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,904 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,904 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,905 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-03-17 07:21:02,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:02,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:03,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:03,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:03,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:03,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:21:03,137 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:21:03,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03 WrapperNode [2025-03-17 07:21:03,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:21:03,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:21:03,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:21:03,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:21:03,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (1/1) ... [2025-03-17 07:21:03,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (1/1) ... [2025-03-17 07:21:03,261 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1055 [2025-03-17 07:21:03,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:21:03,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:21:03,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:21:03,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:21:03,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (1/1) ... [2025-03-17 07:21:03,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (1/1) ... [2025-03-17 07:21:03,275 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (1/1) ... [2025-03-17 07:21:03,360 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [261, 2, 13, 17, 96, 3]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [12, 2, 11, 4, 0, 1]. The 262 writes are split as follows [240, 0, 0, 3, 18, 1]. [2025-03-17 07:21:03,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (1/1) ... [2025-03-17 07:21:03,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (1/1) ... [2025-03-17 07:21:03,387 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (1/1) ... [2025-03-17 07:21:03,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (1/1) ... [2025-03-17 07:21:03,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (1/1) ... [2025-03-17 07:21:03,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (1/1) ... [2025-03-17 07:21:03,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:21:03,419 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:21:03,419 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:21:03,419 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:21:03,419 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (1/1) ... [2025-03-17 07:21:03,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:21:03,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:03,448 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 07:21:03,450 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 07:21:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-17 07:21:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-17 07:21:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-17 07:21:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-17 07:21:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:21:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-17 07:21:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-17 07:21:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-17 07:21:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-17 07:21:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:21:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:21:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-17 07:21:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-17 07:21:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:21:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:21:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:21:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-03-17 07:21:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-03-17 07:21:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:21:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:21:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:21:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:21:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:21:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:21:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:21:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:21:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-17 07:21:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-17 07:21:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-17 07:21:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-17 07:21:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:21:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:21:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:21:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:21:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-17 07:21:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-17 07:21:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:21:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:21:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:21:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:21:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:21:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:21:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:21:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:21:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 07:21:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 07:21:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-17 07:21:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-17 07:21:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-17 07:21:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 07:21:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 07:21:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 07:21:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 07:21:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 07:21:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 07:21:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:21:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-17 07:21:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-03-17 07:21:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:21:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-17 07:21:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:21:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:21:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-17 07:21:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-17 07:21:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:21:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:21:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-03-17 07:21:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-03-17 07:21:03,767 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:21:03,771 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:21:03,813 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-17 07:21:03,818 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-17 07:21:03,845 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:21:03,880 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 07:21:03,942 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 07:21:04,014 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 07:21:04,016 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:21:04,069 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-03-17 07:21:04,161 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 07:21:04,193 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-17 07:21:04,193 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-03-17 07:21:04,208 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-17 07:21:04,214 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-03-17 07:21:04,243 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 07:21:04,328 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2025-03-17 07:21:09,406 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8397-2: havoc aws_priority_queue_pop_#t~ret938#1; [2025-03-17 07:21:09,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-03-17 07:21:09,658 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-03-17 07:21:09,764 INFO L? ?]: Removed 249 outVars from TransFormulas that were not future-live. [2025-03-17 07:21:09,765 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:21:09,785 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:21:09,789 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:21:09,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:21:09 BoogieIcfgContainer [2025-03-17 07:21:09,790 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:21:09,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:21:09,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:21:09,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:21:09,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:21:01" (1/3) ... [2025-03-17 07:21:09,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38910f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:21:09, skipping insertion in model container [2025-03-17 07:21:09,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:03" (2/3) ... [2025-03-17 07:21:09,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38910f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:21:09, skipping insertion in model container [2025-03-17 07:21:09,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:21:09" (3/3) ... [2025-03-17 07:21:09,798 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness_negated.i [2025-03-17 07:21:09,809 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:21:09,810 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_pop_harness_negated.i that has 34 procedures, 464 locations, 1 initial locations, 11 loop locations, and 2 error locations. [2025-03-17 07:21:09,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:21:09,876 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;@3bc2d616, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:21:09,877 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-17 07:21:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 444 states, 252 states have (on average 1.242063492063492) internal successors, (313), 255 states have internal predecessors, (313), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2025-03-17 07:21:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-17 07:21:09,891 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:21:09,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:21:09,892 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:21:09,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:21:09,898 INFO L85 PathProgramCache]: Analyzing trace with hash 839358566, now seen corresponding path program 1 times [2025-03-17 07:21:09,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:21:09,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712536551] [2025-03-17 07:21:09,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:09,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:21:14,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-17 07:21:14,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-17 07:21:14,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:14,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-03-17 07:21:14,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:21:14,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712536551] [2025-03-17 07:21:14,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712536551] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:21:14,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307248391] [2025-03-17 07:21:14,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:14,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:21:14,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:14,851 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 07:21:14,854 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 07:21:18,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-17 07:21:19,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-17 07:21:19,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:19,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:19,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 4536 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:21:19,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:21:19,488 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-03-17 07:21:19,489 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:21:19,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307248391] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:21:19,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:21:19,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:21:19,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053390761] [2025-03-17 07:21:19,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:21:19,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:21:19,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:21:19,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:21:19,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:21:19,516 INFO L87 Difference]: Start difference. First operand has 444 states, 252 states have (on average 1.242063492063492) internal successors, (313), 255 states have internal predecessors, (313), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-17 07:21:19,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:21:19,577 INFO L93 Difference]: Finished difference Result 862 states and 1344 transitions. [2025-03-17 07:21:19,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:21:19,579 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2025-03-17 07:21:19,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:21:19,587 INFO L225 Difference]: With dead ends: 862 [2025-03-17 07:21:19,587 INFO L226 Difference]: Without dead ends: 439 [2025-03-17 07:21:19,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 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 07:21:19,597 INFO L435 NwaCegarLoop]: 630 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, 630 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 07:21:19,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:21:19,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-03-17 07:21:19,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2025-03-17 07:21:19,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 248 states have (on average 1.2298387096774193) internal successors, (305), 251 states have internal predecessors, (305), 162 states have call successors, (162), 28 states have call predecessors, (162), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2025-03-17 07:21:19,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 627 transitions. [2025-03-17 07:21:19,674 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 627 transitions. Word has length 160 [2025-03-17 07:21:19,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:21:19,676 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 627 transitions. [2025-03-17 07:21:19,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-17 07:21:19,676 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 627 transitions. [2025-03-17 07:21:19,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-17 07:21:19,682 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:21:19,682 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:21:19,697 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 07:21:19,883 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 07:21:19,883 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:21:19,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:21:19,884 INFO L85 PathProgramCache]: Analyzing trace with hash -587032823, now seen corresponding path program 1 times [2025-03-17 07:21:19,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:21:19,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830149438] [2025-03-17 07:21:19,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:19,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:21:23,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-17 07:21:23,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-17 07:21:23,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:23,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-03-17 07:21:24,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:21:24,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830149438] [2025-03-17 07:21:24,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830149438] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:21:24,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335450522] [2025-03-17 07:21:24,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:24,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:21:24,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:24,828 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 07:21:24,830 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 07:21:29,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-17 07:21:29,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-17 07:21:29,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:29,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:29,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 4536 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 07:21:29,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:21:30,362 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 07:21:30,362 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:21:30,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335450522] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:21:30,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:21:30,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-17 07:21:30,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134110519] [2025-03-17 07:21:30,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:21:30,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:21:30,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:21:30,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:21:30,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:21:30,365 INFO L87 Difference]: Start difference. First operand 439 states and 627 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-03-17 07:21:31,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:21:31,869 INFO L93 Difference]: Finished difference Result 832 states and 1206 transitions. [2025-03-17 07:21:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:21:31,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 160 [2025-03-17 07:21:31,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:21:31,875 INFO L225 Difference]: With dead ends: 832 [2025-03-17 07:21:31,875 INFO L226 Difference]: Without dead ends: 441 [2025-03-17 07:21:31,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 158 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 07:21:31,877 INFO L435 NwaCegarLoop]: 593 mSDtfsCounter, 33 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 2287 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-17 07:21:31,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 2287 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-17 07:21:31,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-17 07:21:31,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2025-03-17 07:21:31,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 249 states have (on average 1.2289156626506024) internal successors, (306), 253 states have internal predecessors, (306), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (173), 160 states have call predecessors, (173), 160 states have call successors, (173) [2025-03-17 07:21:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 641 transitions. [2025-03-17 07:21:31,903 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 641 transitions. Word has length 160 [2025-03-17 07:21:31,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:21:31,903 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 641 transitions. [2025-03-17 07:21:31,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-03-17 07:21:31,904 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 641 transitions. [2025-03-17 07:21:31,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-03-17 07:21:31,908 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:21:31,909 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:21:31,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 07:21:32,109 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 07:21:32,109 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:21:32,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:21:32,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1174434009, now seen corresponding path program 1 times [2025-03-17 07:21:32,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:21:32,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63650582] [2025-03-17 07:21:32,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:32,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:21:35,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-17 07:21:35,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-17 07:21:35,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:35,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-03-17 07:21:37,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:21:37,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63650582] [2025-03-17 07:21:37,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63650582] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:21:37,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569111656] [2025-03-17 07:21:37,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:37,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:21:37,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:37,332 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 07:21:37,334 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 07:21:41,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-17 07:21:41,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-17 07:21:41,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:41,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:42,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:21:42,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:21:43,598 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 07:21:43,599 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:21:43,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569111656] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:21:43,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:21:43,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2025-03-17 07:21:43,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450074941] [2025-03-17 07:21:43,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:21:43,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 07:21:43,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:21:43,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 07:21:43,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2025-03-17 07:21:43,600 INFO L87 Difference]: Start difference. First operand 441 states and 641 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2025-03-17 07:21:47,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:21:47,734 INFO L93 Difference]: Finished difference Result 855 states and 1277 transitions. [2025-03-17 07:21:47,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 07:21:47,735 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 168 [2025-03-17 07:21:47,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:21:47,739 INFO L225 Difference]: With dead ends: 855 [2025-03-17 07:21:47,739 INFO L226 Difference]: Without dead ends: 462 [2025-03-17 07:21:47,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2025-03-17 07:21:47,742 INFO L435 NwaCegarLoop]: 572 mSDtfsCounter, 60 mSDsluCounter, 2733 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 3305 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2025-03-17 07:21:47,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 3305 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2025-03-17 07:21:47,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2025-03-17 07:21:47,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460. [2025-03-17 07:21:47,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 265 states have (on average 1.2377358490566037) internal successors, (328), 269 states have internal predecessors, (328), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2025-03-17 07:21:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 684 transitions. [2025-03-17 07:21:47,767 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 684 transitions. Word has length 168 [2025-03-17 07:21:47,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:21:47,768 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 684 transitions. [2025-03-17 07:21:47,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2025-03-17 07:21:47,768 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 684 transitions. [2025-03-17 07:21:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-03-17 07:21:47,770 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:21:47,770 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:21:47,788 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 07:21:47,970 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 07:21:47,971 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:21:47,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:21:47,971 INFO L85 PathProgramCache]: Analyzing trace with hash -606395575, now seen corresponding path program 1 times [2025-03-17 07:21:47,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:21:47,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954373706] [2025-03-17 07:21:47,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:47,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:21:51,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-17 07:21:51,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-17 07:21:51,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:51,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-03-17 07:21:53,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:21:53,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954373706] [2025-03-17 07:21:53,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954373706] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:21:53,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020320835] [2025-03-17 07:21:53,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:53,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:21:53,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:53,252 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 07:21:53,252 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 07:21:57,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-17 07:21:57,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-17 07:21:57,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:57,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:57,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 4713 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:21:57,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:21:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 07:21:59,176 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:21:59,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020320835] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:21:59,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:21:59,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2025-03-17 07:21:59,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467556954] [2025-03-17 07:21:59,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:21:59,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 07:21:59,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:21:59,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 07:21:59,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-03-17 07:21:59,178 INFO L87 Difference]: Start difference. First operand 460 states and 684 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2025-03-17 07:22:01,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:01,593 INFO L93 Difference]: Finished difference Result 878 states and 1336 transitions. [2025-03-17 07:22:01,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 07:22:01,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 183 [2025-03-17 07:22:01,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:01,598 INFO L225 Difference]: With dead ends: 878 [2025-03-17 07:22:01,599 INFO L226 Difference]: Without dead ends: 466 [2025-03-17 07:22:01,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-03-17 07:22:01,601 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 50 mSDsluCounter, 2225 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 2812 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-03-17 07:22:01,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 2812 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-03-17 07:22:01,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2025-03-17 07:22:01,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 460. [2025-03-17 07:22:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 265 states have (on average 1.2377358490566037) internal successors, (328), 269 states have internal predecessors, (328), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2025-03-17 07:22:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 684 transitions. [2025-03-17 07:22:01,621 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 684 transitions. Word has length 183 [2025-03-17 07:22:01,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:01,622 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 684 transitions. [2025-03-17 07:22:01,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2025-03-17 07:22:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 684 transitions. [2025-03-17 07:22:01,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-03-17 07:22:01,623 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:01,624 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:22:01,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 07:22:01,824 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 07:22:01,824 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:01,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:01,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1773744729, now seen corresponding path program 1 times [2025-03-17 07:22:01,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:01,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767770963] [2025-03-17 07:22:01,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:01,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:22:05,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-03-17 07:22:05,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-03-17 07:22:05,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:05,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:06,841 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 07:22:06,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:22:06,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767770963] [2025-03-17 07:22:06,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767770963] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:22:06,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547348425] [2025-03-17 07:22:06,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:06,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:22:06,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:22:06,844 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 07:22:06,845 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 07:22:11,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-03-17 07:22:11,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-03-17 07:22:11,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:11,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:11,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 4785 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 07:22:11,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:22:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2025-03-17 07:22:13,621 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:22:13,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547348425] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:22:13,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:22:13,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2025-03-17 07:22:13,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296770001] [2025-03-17 07:22:13,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:22:13,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 07:22:13,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:22:13,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 07:22:13,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-17 07:22:13,623 INFO L87 Difference]: Start difference. First operand 460 states and 684 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2025-03-17 07:22:19,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:19,108 INFO L93 Difference]: Finished difference Result 889 states and 1341 transitions. [2025-03-17 07:22:19,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 07:22:19,109 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 199 [2025-03-17 07:22:19,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:19,116 INFO L225 Difference]: With dead ends: 889 [2025-03-17 07:22:19,116 INFO L226 Difference]: Without dead ends: 477 [2025-03-17 07:22:19,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-03-17 07:22:19,121 INFO L435 NwaCegarLoop]: 564 mSDtfsCounter, 85 mSDsluCounter, 3226 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 3790 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2025-03-17 07:22:19,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 3790 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2025-03-17 07:22:19,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2025-03-17 07:22:19,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 460. [2025-03-17 07:22:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 265 states have (on average 1.2377358490566037) internal successors, (328), 269 states have internal predecessors, (328), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2025-03-17 07:22:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 684 transitions. [2025-03-17 07:22:19,143 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 684 transitions. Word has length 199 [2025-03-17 07:22:19,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:19,144 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 684 transitions. [2025-03-17 07:22:19,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2025-03-17 07:22:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 684 transitions. [2025-03-17 07:22:19,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2025-03-17 07:22:19,147 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:19,147 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:22:19,168 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 07:22:19,347 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 07:22:19,348 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:19,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:19,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1867659589, now seen corresponding path program 2 times [2025-03-17 07:22:19,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:19,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428825546] [2025-03-17 07:22:19,349 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 07:22:19,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:22:22,801 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 214 statements into 2 equivalence classes. [2025-03-17 07:22:22,902 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 26 of 214 statements. [2025-03-17 07:22:22,902 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 07:22:22,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:25,313 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2025-03-17 07:22:25,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:22:25,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428825546] [2025-03-17 07:22:25,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428825546] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:22:25,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:22:25,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 07:22:25,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938399843] [2025-03-17 07:22:25,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:22:25,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 07:22:25,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:22:25,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 07:22:25,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 07:22:25,315 INFO L87 Difference]: Start difference. First operand 460 states and 684 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2025-03-17 07:22:25,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:25,887 INFO L93 Difference]: Finished difference Result 468 states and 692 transitions. [2025-03-17 07:22:25,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 07:22:25,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 214 [2025-03-17 07:22:25,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:25,892 INFO L225 Difference]: With dead ends: 468 [2025-03-17 07:22:25,892 INFO L226 Difference]: Without dead ends: 466 [2025-03-17 07:22:25,892 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 07:22:25,893 INFO L435 NwaCegarLoop]: 624 mSDtfsCounter, 3 mSDsluCounter, 2469 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3093 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 07:22:25,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3093 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 07:22:25,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2025-03-17 07:22:25,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 465. [2025-03-17 07:22:25,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 268 states have (on average 1.2350746268656716) internal successors, (331), 272 states have internal predecessors, (331), 165 states have call successors, (165), 29 states have call predecessors, (165), 30 states have return successors, (193), 164 states have call predecessors, (193), 163 states have call successors, (193) [2025-03-17 07:22:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 689 transitions. [2025-03-17 07:22:25,913 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 689 transitions. Word has length 214 [2025-03-17 07:22:25,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:25,915 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 689 transitions. [2025-03-17 07:22:25,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2025-03-17 07:22:25,916 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 689 transitions. [2025-03-17 07:22:25,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2025-03-17 07:22:25,918 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:25,918 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:22:25,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 07:22:25,918 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:25,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:25,919 INFO L85 PathProgramCache]: Analyzing trace with hash 2047181455, now seen corresponding path program 3 times [2025-03-17 07:22:25,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:25,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165095949] [2025-03-17 07:22:25,919 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 07:22:25,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:22:29,729 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 229 statements into 9 equivalence classes. [2025-03-17 07:22:30,579 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 229 statements. [2025-03-17 07:22:30,579 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 07:22:30,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat