./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:26:06,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:26:06,681 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:26:06,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:26:06,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:26:06,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:26:06,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:26:06,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:26:06,713 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:26:06,713 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:26:06,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:26:06,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:26:06,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:26:06,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:26:06,715 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:26:06,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:26:06,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:26:06,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:26:06,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:26:06,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:26:06,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:26:06,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:26:06,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:26:06,715 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:26:06,716 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:26:06,716 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:26:06,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:26:06,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:26:06,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:26:06,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:26:06,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:26:06,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:26:06,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:26:06,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:26:06,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:26:06,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:26:06,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:26:06,717 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:26:06,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:26:06,717 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:26:06,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:26:06,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:26:06,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:26:06,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:26:06,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:26:06,717 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-jdk21/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 -> dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee [2025-01-09 17:26:06,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:26:06,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:26:06,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:26:06,955 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:26:06,955 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:26:06,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2025-01-09 17:26:08,190 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/21f74e044/e17e2c0498e8442ab7073d8faeee8010/FLAG7cde91620 [2025-01-09 17:26:08,728 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:26:08,728 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2025-01-09 17:26:08,758 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/21f74e044/e17e2c0498e8442ab7073d8faeee8010/FLAG7cde91620 [2025-01-09 17:26:08,770 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/21f74e044/e17e2c0498e8442ab7073d8faeee8010 [2025-01-09 17:26:08,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:26:08,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:26:08,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:26:08,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:26:08,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:26:08,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:26:08" (1/1) ... [2025-01-09 17:26:08,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378fba94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:08, skipping insertion in model container [2025-01-09 17:26:08,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:26:08" (1/1) ... [2025-01-09 17:26:08,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:26:08,966 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2025-01-09 17:26:08,971 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2025-01-09 17:26:09,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,450 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,450 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,453 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,455 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,883 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,884 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,885 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,885 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,888 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,888 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:09,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:26:09,957 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:26:09,970 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2025-01-09 17:26:09,971 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2025-01-09 17:26:10,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,062 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2025-01-09 17:26:10,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:10,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:26:10,332 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:26:10,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10 WrapperNode [2025-01-09 17:26:10,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:26:10,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:26:10,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:26:10,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:26:10,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,431 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1174 [2025-01-09 17:26:10,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:26:10,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:26:10,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:26:10,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:26:10,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,456 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,553 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [104, 2, 238, 24, 9, 7]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [0, 2, 6, 5, 1, 2]. The 268 writes are split as follows [26, 0, 232, 8, 1, 1]. [2025-01-09 17:26:10,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,602 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:26:10,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:26:10,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:26:10,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:26:10,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (1/1) ... [2025-01-09 17:26:10,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:26:10,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:10,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:26:10,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:26:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-01-09 17:26:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-01-09 17:26:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-01-09 17:26:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-01-09 17:26:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-01-09 17:26:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-01-09 17:26:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:26:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-01-09 17:26:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-01-09 17:26:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-01-09 17:26:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-01-09 17:26:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:26:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 17:26:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-01-09 17:26:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:26:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:26:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:26:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-01-09 17:26:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:26:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:26:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:26:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:26:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:26:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:26:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:26:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:26:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:26:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:26:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:26:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:26:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:26:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:26:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:26:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:26:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:26:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:26:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-01-09 17:26:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-01-09 17:26:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-01-09 17:26:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-01-09 17:26:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-01-09 17:26:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-01-09 17:26:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:26:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:26:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:26:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:26:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:26:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:26:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:26:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:26:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:26:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:26:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:26:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:26:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:26:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:26:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-01-09 17:26:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-01-09 17:26:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:26:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2025-01-09 17:26:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-01-09 17:26:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:26:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:26:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:26:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:26:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:26:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-01-09 17:26:10,712 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-01-09 17:26:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:26:10,712 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:26:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:26:10,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:26:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:26:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:26:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:26:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:26:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:26:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:26:11,044 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:26:11,048 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:26:17,246 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2025-01-09 17:26:17,246 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:26:17,267 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:26:17,267 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 17:26:17,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:26:17 BoogieIcfgContainer [2025-01-09 17:26:17,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:26:17,269 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:26:17,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:26:17,273 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:26:17,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:26:08" (1/3) ... [2025-01-09 17:26:17,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aba8e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:26:17, skipping insertion in model container [2025-01-09 17:26:17,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:10" (2/3) ... [2025-01-09 17:26:17,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aba8e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:26:17, skipping insertion in model container [2025-01-09 17:26:17,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:26:17" (3/3) ... [2025-01-09 17:26:17,275 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2025-01-09 17:26:17,297 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:26:17,299 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_ref_harness.i that has 40 procedures, 565 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-01-09 17:26:17,358 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:26:17,369 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;@664e31f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:26:17,370 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-09 17:26:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 549 states, 313 states have (on average 1.233226837060703) internal successors, (386), 316 states have internal predecessors, (386), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) [2025-01-09 17:26:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-01-09 17:26:17,395 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:17,396 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 17:26:17,396 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:17,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:17,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1979758718, now seen corresponding path program 1 times [2025-01-09 17:26:17,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:17,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456995570] [2025-01-09 17:26:17,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:17,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:21,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-09 17:26:22,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-09 17:26:22,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:22,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:23,454 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-01-09 17:26:23,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:23,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456995570] [2025-01-09 17:26:23,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456995570] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:23,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278153238] [2025-01-09 17:26:23,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:23,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:23,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:23,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:26:23,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 17:26:27,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-09 17:26:27,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-09 17:26:27,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:27,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:27,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 4665 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 17:26:27,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-01-09 17:26:29,036 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:29,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278153238] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:29,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:29,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 17:26:29,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465901325] [2025-01-09 17:26:29,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:29,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:26:29,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:29,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:26:29,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 17:26:29,073 INFO L87 Difference]: Start difference. First operand has 549 states, 313 states have (on average 1.233226837060703) internal successors, (386), 316 states have internal predecessors, (386), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2025-01-09 17:26:31,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:31,460 INFO L93 Difference]: Finished difference Result 1072 states and 1660 transitions. [2025-01-09 17:26:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:26:31,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 192 [2025-01-09 17:26:31,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:31,478 INFO L225 Difference]: With dead ends: 1072 [2025-01-09 17:26:31,479 INFO L226 Difference]: Without dead ends: 544 [2025-01-09 17:26:31,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:26:31,490 INFO L435 NwaCegarLoop]: 726 mSDtfsCounter, 765 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-01-09 17:26:31,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [773 Valid, 2871 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-01-09 17:26:31,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2025-01-09 17:26:31,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2025-01-09 17:26:31,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 308 states have (on average 1.224025974025974) internal successors, (377), 311 states have internal predecessors, (377), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (205), 197 states have call predecessors, (205), 197 states have call successors, (205) [2025-01-09 17:26:31,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 781 transitions. [2025-01-09 17:26:31,579 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 781 transitions. Word has length 192 [2025-01-09 17:26:31,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:31,580 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 781 transitions. [2025-01-09 17:26:31,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2025-01-09 17:26:31,580 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 781 transitions. [2025-01-09 17:26:31,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-01-09 17:26:31,583 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:31,583 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:26:31,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 17:26:31,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 17:26:31,785 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:31,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:31,786 INFO L85 PathProgramCache]: Analyzing trace with hash 875974466, now seen corresponding path program 1 times [2025-01-09 17:26:31,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:31,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412403408] [2025-01-09 17:26:31,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:31,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:35,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-01-09 17:26:35,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-01-09 17:26:35,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:35,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-01-09 17:26:37,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:37,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412403408] [2025-01-09 17:26:37,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412403408] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:37,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133462510] [2025-01-09 17:26:37,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:37,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:37,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:37,052 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:26:37,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 17:26:41,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-01-09 17:26:42,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-01-09 17:26:42,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:42,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:42,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 4715 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:26:42,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-01-09 17:26:43,917 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:43,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133462510] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:43,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:43,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-01-09 17:26:43,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842266830] [2025-01-09 17:26:43,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:43,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 17:26:43,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:43,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 17:26:43,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-01-09 17:26:43,920 INFO L87 Difference]: Start difference. First operand 544 states and 781 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2025-01-09 17:26:50,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:50,628 INFO L93 Difference]: Finished difference Result 1061 states and 1566 transitions. [2025-01-09 17:26:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 17:26:50,629 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 200 [2025-01-09 17:26:50,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:50,641 INFO L225 Difference]: With dead ends: 1061 [2025-01-09 17:26:50,641 INFO L226 Difference]: Without dead ends: 565 [2025-01-09 17:26:50,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-01-09 17:26:50,649 INFO L435 NwaCegarLoop]: 685 mSDtfsCounter, 810 mSDsluCounter, 3325 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 4010 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2025-01-09 17:26:50,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 4010 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2025-01-09 17:26:50,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2025-01-09 17:26:50,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 563. [2025-01-09 17:26:50,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 324 states have (on average 1.2314814814814814) internal successors, (399), 327 states have internal predecessors, (399), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2025-01-09 17:26:50,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 839 transitions. [2025-01-09 17:26:50,743 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 839 transitions. Word has length 200 [2025-01-09 17:26:50,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:50,744 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 839 transitions. [2025-01-09 17:26:50,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2025-01-09 17:26:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 839 transitions. [2025-01-09 17:26:50,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-01-09 17:26:50,746 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:50,747 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:26:50,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 17:26:50,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:50,948 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:50,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:50,948 INFO L85 PathProgramCache]: Analyzing trace with hash -346978652, now seen corresponding path program 1 times [2025-01-09 17:26:50,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:50,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314589955] [2025-01-09 17:26:50,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:50,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:54,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-01-09 17:26:54,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-01-09 17:26:54,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:54,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:56,078 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2025-01-09 17:26:56,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:56,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314589955] [2025-01-09 17:26:56,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314589955] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:56,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18458927] [2025-01-09 17:26:56,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:56,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:56,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:56,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:26:56,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 17:27:00,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-01-09 17:27:01,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-01-09 17:27:01,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:01,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:01,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 4842 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:27:01,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:02,525 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-01-09 17:27:02,525 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:02,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18458927] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:02,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:02,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-01-09 17:27:02,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727603701] [2025-01-09 17:27:02,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:02,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:27:02,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:02,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:27:02,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-01-09 17:27:02,527 INFO L87 Difference]: Start difference. First operand 563 states and 839 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-01-09 17:27:05,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:05,906 INFO L93 Difference]: Finished difference Result 1084 states and 1635 transitions. [2025-01-09 17:27:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 17:27:05,908 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 215 [2025-01-09 17:27:05,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:05,915 INFO L225 Difference]: With dead ends: 1084 [2025-01-09 17:27:05,915 INFO L226 Difference]: Without dead ends: 569 [2025-01-09 17:27:05,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-01-09 17:27:05,921 INFO L435 NwaCegarLoop]: 715 mSDtfsCounter, 776 mSDsluCounter, 2802 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 3517 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2025-01-09 17:27:05,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 3517 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2025-01-09 17:27:05,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2025-01-09 17:27:05,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 563. [2025-01-09 17:27:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 324 states have (on average 1.2314814814814814) internal successors, (399), 327 states have internal predecessors, (399), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2025-01-09 17:27:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 839 transitions. [2025-01-09 17:27:05,957 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 839 transitions. Word has length 215 [2025-01-09 17:27:05,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:05,958 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 839 transitions. [2025-01-09 17:27:05,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-01-09 17:27:05,958 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 839 transitions. [2025-01-09 17:27:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2025-01-09 17:27:05,960 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:05,960 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:27:05,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 17:27:06,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:06,161 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:06,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:06,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1645061903, now seen corresponding path program 1 times [2025-01-09 17:27:06,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:06,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396168771] [2025-01-09 17:27:06,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:06,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:09,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 231 statements into 1 equivalence classes. [2025-01-09 17:27:09,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 231 of 231 statements. [2025-01-09 17:27:09,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:09,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:10,990 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2025-01-09 17:27:10,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:10,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396168771] [2025-01-09 17:27:10,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396168771] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:10,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880531764] [2025-01-09 17:27:10,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:10,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:10,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:10,994 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:27:10,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 17:27:15,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 231 statements into 1 equivalence classes. [2025-01-09 17:27:15,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 231 of 231 statements. [2025-01-09 17:27:15,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:15,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:15,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 4914 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 17:27:15,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:17,955 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2025-01-09 17:27:17,955 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:17,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880531764] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:17,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:17,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-01-09 17:27:17,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492095597] [2025-01-09 17:27:17,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:17,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 17:27:17,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:17,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 17:27:17,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-01-09 17:27:17,957 INFO L87 Difference]: Start difference. First operand 563 states and 839 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2025-01-09 17:27:25,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:25,683 INFO L93 Difference]: Finished difference Result 1095 states and 1645 transitions. [2025-01-09 17:27:25,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-09 17:27:25,684 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) Word has length 231 [2025-01-09 17:27:25,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:25,691 INFO L225 Difference]: With dead ends: 1095 [2025-01-09 17:27:25,694 INFO L226 Difference]: Without dead ends: 580 [2025-01-09 17:27:25,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-01-09 17:27:25,702 INFO L435 NwaCegarLoop]: 679 mSDtfsCounter, 832 mSDsluCounter, 3947 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 4626 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2025-01-09 17:27:25,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 4626 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2025-01-09 17:27:25,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2025-01-09 17:27:25,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 563. [2025-01-09 17:27:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 324 states have (on average 1.2314814814814814) internal successors, (399), 327 states have internal predecessors, (399), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2025-01-09 17:27:25,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 839 transitions. [2025-01-09 17:27:25,740 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 839 transitions. Word has length 231 [2025-01-09 17:27:25,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:25,740 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 839 transitions. [2025-01-09 17:27:25,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2025-01-09 17:27:25,741 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 839 transitions. [2025-01-09 17:27:25,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2025-01-09 17:27:25,743 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:25,743 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 17:27:25,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-09 17:27:25,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:25,944 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:25,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:25,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1053547471, now seen corresponding path program 2 times [2025-01-09 17:27:25,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:25,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130565510] [2025-01-09 17:27:25,945 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 17:27:25,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:29,396 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 246 statements into 2 equivalence classes. [2025-01-09 17:27:30,158 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 246 of 246 statements. [2025-01-09 17:27:30,163 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-09 17:27:30,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:32,198 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2025-01-09 17:27:32,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:32,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130565510] [2025-01-09 17:27:32,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130565510] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:32,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356964609] [2025-01-09 17:27:32,199 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 17:27:32,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:32,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:32,201 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:27:32,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 17:27:36,893 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 246 statements into 2 equivalence classes.