./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_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_push_ref_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 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:21:11,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:21:11,388 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:21:11,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:21:11,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:21:11,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:21:11,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:21:11,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:21:11,421 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:21:11,421 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:21:11,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:21:11,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:21:11,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:21:11,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:21:11,422 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:21:11,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:21:11,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:21:11,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:21:11,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:21:11,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:21:11,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:21:11,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:21:11,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:21:11,423 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:21:11,423 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:21:11,423 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:21:11,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:21:11,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:21:11,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:21:11,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:21:11,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:21:11,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:21:11,424 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:21:11,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:21:11,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:21:11,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:21:11,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:21:11,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:21:11,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:21:11,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:21:11,425 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 -> 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 [2025-03-17 07:21:11,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:21:11,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:21:11,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:21:11,675 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:21:11,675 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:21:11,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2025-03-17 07:21:12,898 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8989551fc/4d573c4ab16b4af5aea2b16a149dc1b5/FLAGbe4962402 [2025-03-17 07:21:13,345 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:21:13,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2025-03-17 07:21:13,385 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8989551fc/4d573c4ab16b4af5aea2b16a149dc1b5/FLAGbe4962402 [2025-03-17 07:21:13,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8989551fc/4d573c4ab16b4af5aea2b16a149dc1b5 [2025-03-17 07:21:13,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:21:13,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:21:13,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:21:13,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:21:13,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:21:13,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:21:13" (1/1) ... [2025-03-17 07:21:13,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611bc13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:13, skipping insertion in model container [2025-03-17 07:21:13,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:21:13" (1/1) ... [2025-03-17 07:21:13,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:21:13,765 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_push_ref_harness_negated.i[4501,4514] [2025-03-17 07:21:13,772 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_push_ref_harness_negated.i[4561,4574] [2025-03-17 07:21:14,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,380 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,380 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,852 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,860 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,922 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,923 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,930 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,930 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,930 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,933 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,934 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,939 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,939 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:14,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:21:14,993 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:21:15,009 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_push_ref_harness_negated.i[4501,4514] [2025-03-17 07:21:15,010 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_push_ref_harness_negated.i[4561,4574] [2025-03-17 07:21:15,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,060 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,061 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,061 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,061 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,062 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,062 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,062 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,137 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-03-17 07:21:15,223 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:21:15,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:21:15,408 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:21:15,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15 WrapperNode [2025-03-17 07:21:15,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:21:15,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:21:15,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:21:15,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:21:15,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (1/1) ... [2025-03-17 07:21:15,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (1/1) ... [2025-03-17 07:21:15,522 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1174 [2025-03-17 07:21:15,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:21:15,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:21:15,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:21:15,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:21:15,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (1/1) ... [2025-03-17 07:21:15,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (1/1) ... [2025-03-17 07:21:15,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (1/1) ... [2025-03-17 07:21:15,620 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [238, 2, 104, 24, 7, 9]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 0, 5, 2, 1]. The 268 writes are split as follows [232, 0, 26, 8, 1, 1]. [2025-03-17 07:21:15,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (1/1) ... [2025-03-17 07:21:15,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (1/1) ... [2025-03-17 07:21:15,669 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (1/1) ... [2025-03-17 07:21:15,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (1/1) ... [2025-03-17 07:21:15,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (1/1) ... [2025-03-17 07:21:15,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (1/1) ... [2025-03-17 07:21:15,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:21:15,708 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:21:15,708 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:21:15,708 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:21:15,709 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (1/1) ... [2025-03-17 07:21:15,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:21:15,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:15,741 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 07:21:15,744 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 07:21:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-17 07:21:15,761 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-17 07:21:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-03-17 07:21:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-03-17 07:21:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-17 07:21:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-17 07:21:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:21:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-17 07:21:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-17 07:21:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-17 07:21:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-17 07:21:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:21:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:21:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-17 07:21:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-17 07:21:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-17 07:21:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-17 07:21:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:21:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:21:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:21:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:21:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:21:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:21:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:21:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:21:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:21:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:21:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-17 07:21:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-17 07:21:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-17 07:21:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-17 07:21:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:21:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:21:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:21:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:21:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-17 07:21:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:21:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 07:21:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-17 07:21:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-17 07:21:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-17 07:21:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 07:21:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 07:21:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 07:21:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 07:21:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 07:21:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 07:21:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 07:21:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 07:21:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:21:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:21:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-17 07:21:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-17 07:21:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-03-17 07:21:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-17 07:21:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:21:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2025-03-17 07:21:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-17 07:21:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-17 07:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:21:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:21:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:21:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-17 07:21:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-03-17 07:21:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-17 07:21:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:21:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:21:16,070 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:21:16,073 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:21:16,122 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-17 07:21:16,148 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-17 07:21:16,169 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:21:16,209 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 07:21:16,265 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 07:21:16,329 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 07:21:16,333 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:21:16,432 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2997: havoc aws_array_list_push_back_#t~ret123#1; [2025-03-17 07:21:16,432 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8284: call ULTIMATE.dealloc(~#backpointer#1.base, ~#backpointer#1.offset);havoc ~#backpointer#1.base, ~#backpointer#1.offset; [2025-03-17 07:21:16,436 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: havoc #t~ret595.base, #t~ret595.offset; [2025-03-17 07:21:16,544 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7504: havoc aws_array_list_ensure_capacity_#t~ret764#1; [2025-03-17 07:21:16,544 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7381: call ULTIMATE.dealloc(aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset);havoc aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset; [2025-03-17 07:21:16,545 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7482: call ULTIMATE.dealloc(aws_array_list_ensure_capacity_~#necessary_size~0#1.base, aws_array_list_ensure_capacity_~#necessary_size~0#1.offset);havoc aws_array_list_ensure_capacity_~#necessary_size~0#1.base, aws_array_list_ensure_capacity_~#necessary_size~0#1.offset; [2025-03-17 07:21:16,545 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7491: havoc aws_array_list_ensure_capacity_#t~ret757#1; [2025-03-17 07:21:16,578 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-03-17 07:21:16,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-17 07:21:16,608 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-03-17 07:21:16,622 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-17 07:21:16,627 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-03-17 07:21:16,660 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 07:21:16,751 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2878: call ULTIMATE.dealloc(~#allocation_size~0.base, ~#allocation_size~0.offset);havoc ~#allocation_size~0.base, ~#allocation_size~0.offset; [2025-03-17 07:21:16,768 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:21:22,409 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-03-17 07:21:22,410 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-03-17 07:21:22,570 INFO L? ?]: Removed 296 outVars from TransFormulas that were not future-live. [2025-03-17 07:21:22,570 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:21:22,608 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:21:22,608 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:21:22,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:21:22 BoogieIcfgContainer [2025-03-17 07:21:22,609 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:21:22,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:21:22,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:21:22,614 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:21:22,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:21:13" (1/3) ... [2025-03-17 07:21:22,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429fcddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:21:22, skipping insertion in model container [2025-03-17 07:21:22,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:21:15" (2/3) ... [2025-03-17 07:21:22,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429fcddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:21:22, skipping insertion in model container [2025-03-17 07:21:22,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:21:22" (3/3) ... [2025-03-17 07:21:22,616 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness_negated.i [2025-03-17 07:21:22,636 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:21:22,638 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_ref_harness_negated.i that has 40 procedures, 560 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-03-17 07:21:22,693 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:21:22,704 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;@53c50c5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:21:22,704 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-17 07:21:22,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 544 states, 308 states have (on average 1.2370129870129871) internal successors, (381), 311 states have internal predecessors, (381), 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) [2025-03-17 07:21:22,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-03-17 07:21:22,727 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:21:22,728 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] [2025-03-17 07:21:22,729 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:21:22,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:21:22,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1090940677, now seen corresponding path program 1 times [2025-03-17 07:21:22,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:21:22,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953712677] [2025-03-17 07:21:22,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:22,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:21:27,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-17 07:21:27,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-17 07:21:27,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:27,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:28,096 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-03-17 07:21:28,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:21:28,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953712677] [2025-03-17 07:21:28,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953712677] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:21:28,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497306202] [2025-03-17 07:21:28,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:28,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:21:28,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:28,104 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 07:21:28,107 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 07:21:32,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-17 07:21:32,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-17 07:21:32,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:32,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:32,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 4667 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:21:32,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:21:32,855 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-03-17 07:21:32,856 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:21:32,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497306202] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:21:32,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:21:32,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:21:32,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168778633] [2025-03-17 07:21:32,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:21:32,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:21:32,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:21:32,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:21:32,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:21:32,882 INFO L87 Difference]: Start difference. First operand has 544 states, 308 states have (on average 1.2370129870129871) internal successors, (381), 311 states have internal predecessors, (381), 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 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-17 07:21:32,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:21:32,958 INFO L93 Difference]: Finished difference Result 1062 states and 1641 transitions. [2025-03-17 07:21:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:21:32,964 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 189 [2025-03-17 07:21:32,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:21:32,978 INFO L225 Difference]: With dead ends: 1062 [2025-03-17 07:21:32,978 INFO L226 Difference]: Without dead ends: 539 [2025-03-17 07:21:32,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 190 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 07:21:32,992 INFO L435 NwaCegarLoop]: 772 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, 772 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 07:21:32,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:21:33,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2025-03-17 07:21:33,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2025-03-17 07:21:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 304 states have (on average 1.2269736842105263) internal successors, (373), 306 states have internal predecessors, (373), 199 states have call successors, (199), 35 states have call predecessors, (199), 34 states have return successors, (197), 197 states have call predecessors, (197), 197 states have call successors, (197) [2025-03-17 07:21:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 769 transitions. [2025-03-17 07:21:33,093 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 769 transitions. Word has length 189 [2025-03-17 07:21:33,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:21:33,095 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 769 transitions. [2025-03-17 07:21:33,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-17 07:21:33,095 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 769 transitions. [2025-03-17 07:21:33,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-03-17 07:21:33,099 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:21:33,099 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] [2025-03-17 07:21:33,125 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 07:21:33,303 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 07:21:33,304 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:21:33,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:21:33,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1417652732, now seen corresponding path program 1 times [2025-03-17 07:21:33,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:21:33,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455221050] [2025-03-17 07:21:33,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:33,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:21:37,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-17 07:21:37,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-17 07:21:37,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:37,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-03-17 07:21:38,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:21:38,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455221050] [2025-03-17 07:21:38,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455221050] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:21:38,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683938949] [2025-03-17 07:21:38,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:38,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:21:38,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:38,534 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 07:21:38,534 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 07:21:42,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-17 07:21:43,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-17 07:21:43,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:43,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:43,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 4667 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 07:21:43,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:21:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-03-17 07:21:44,376 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:21:44,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683938949] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:21:44,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:21:44,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-17 07:21:44,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098194093] [2025-03-17 07:21:44,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:21:44,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:21:44,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:21:44,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:21:44,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:21:44,378 INFO L87 Difference]: Start difference. First operand 539 states and 769 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (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) [2025-03-17 07:21:45,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:21:45,454 INFO L93 Difference]: Finished difference Result 1035 states and 1487 transitions. [2025-03-17 07:21:45,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:21:45,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (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 189 [2025-03-17 07:21:45,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:21:45,461 INFO L225 Difference]: With dead ends: 1035 [2025-03-17 07:21:45,462 INFO L226 Difference]: Without dead ends: 541 [2025-03-17 07:21:45,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 187 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 07:21:45,466 INFO L435 NwaCegarLoop]: 749 mSDtfsCounter, 8 mSDsluCounter, 2196 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2945 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-17 07:21:45,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2945 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-17 07:21:45,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2025-03-17 07:21:45,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 541. [2025-03-17 07:21:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 305 states have (on average 1.2262295081967214) internal successors, (374), 308 states have internal predecessors, (374), 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) [2025-03-17 07:21:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 778 transitions. [2025-03-17 07:21:45,509 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 778 transitions. Word has length 189 [2025-03-17 07:21:45,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:21:45,510 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 778 transitions. [2025-03-17 07:21:45,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (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) [2025-03-17 07:21:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 778 transitions. [2025-03-17 07:21:45,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-03-17 07:21:45,517 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:21:45,517 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] [2025-03-17 07:21:45,534 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 07:21:45,718 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 07:21:45,718 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:21:45,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:21:45,719 INFO L85 PathProgramCache]: Analyzing trace with hash -675234212, now seen corresponding path program 1 times [2025-03-17 07:21:45,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:21:45,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241358156] [2025-03-17 07:21:45,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:45,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:21:49,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-17 07:21:49,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-17 07:21:49,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:49,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-03-17 07:21:50,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:21:50,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241358156] [2025-03-17 07:21:50,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241358156] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:21:50,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162677722] [2025-03-17 07:21:50,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:21:50,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:21:50,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:21:50,798 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 07:21:50,800 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 07:21:55,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-17 07:21:55,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-17 07:21:55,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:21:55,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:21:55,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 4717 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:21:55,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:21:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-03-17 07:21:57,108 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:21:57,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162677722] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:21:57,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:21:57,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-03-17 07:21:57,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385865149] [2025-03-17 07:21:57,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:21:57,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 07:21:57,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:21:57,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 07:21:57,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-03-17 07:21:57,110 INFO L87 Difference]: Start difference. First operand 541 states and 778 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (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) [2025-03-17 07:22:02,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:02,074 INFO L93 Difference]: Finished difference Result 1058 states and 1563 transitions. [2025-03-17 07:22:02,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 07:22:02,075 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (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 197 [2025-03-17 07:22:02,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:02,081 INFO L225 Difference]: With dead ends: 1058 [2025-03-17 07:22:02,081 INFO L226 Difference]: Without dead ends: 562 [2025-03-17 07:22:02,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-17 07:22:02,085 INFO L435 NwaCegarLoop]: 713 mSDtfsCounter, 35 mSDsluCounter, 3442 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 4155 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-03-17 07:22:02,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 4155 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2025-03-17 07:22:02,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2025-03-17 07:22:02,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 560. [2025-03-17 07:22:02,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 321 states have (on average 1.233644859813084) internal successors, (396), 324 states have internal predecessors, (396), 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) [2025-03-17 07:22:02,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 836 transitions. [2025-03-17 07:22:02,137 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 836 transitions. Word has length 197 [2025-03-17 07:22:02,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:02,137 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 836 transitions. [2025-03-17 07:22:02,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (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) [2025-03-17 07:22:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 836 transitions. [2025-03-17 07:22:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2025-03-17 07:22:02,142 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:02,143 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] [2025-03-17 07:22:02,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 07:22:02,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:22:02,343 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:02,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:02,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1975120733, now seen corresponding path program 1 times [2025-03-17 07:22:02,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:02,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351881174] [2025-03-17 07:22:02,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:02,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:22:06,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 212 statements into 1 equivalence classes. [2025-03-17 07:22:06,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 212 of 212 statements. [2025-03-17 07:22:06,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:06,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2025-03-17 07:22:07,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:22:07,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351881174] [2025-03-17 07:22:07,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351881174] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:22:07,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078633132] [2025-03-17 07:22:07,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:07,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:22:07,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:22:07,690 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:22:07,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 07:22:12,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 212 statements into 1 equivalence classes. [2025-03-17 07:22:12,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 212 of 212 statements. [2025-03-17 07:22:12,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:12,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:12,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 4844 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:22:12,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:22:13,826 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-03-17 07:22:13,826 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:22:13,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078633132] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:22:13,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:22:13,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-03-17 07:22:13,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668776173] [2025-03-17 07:22:13,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:22:13,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 07:22:13,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:22:13,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 07:22:13,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-17 07:22:13,829 INFO L87 Difference]: Start difference. First operand 560 states and 836 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (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) [2025-03-17 07:22:15,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:15,692 INFO L93 Difference]: Finished difference Result 1081 states and 1632 transitions. [2025-03-17 07:22:15,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 07:22:15,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (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 212 [2025-03-17 07:22:15,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:15,700 INFO L225 Difference]: With dead ends: 1081 [2025-03-17 07:22:15,700 INFO L226 Difference]: Without dead ends: 566 [2025-03-17 07:22:15,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-17 07:22:15,706 INFO L435 NwaCegarLoop]: 743 mSDtfsCounter, 25 mSDsluCounter, 2888 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 3631 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-17 07:22:15,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 3631 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-17 07:22:15,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2025-03-17 07:22:15,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 560. [2025-03-17 07:22:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 321 states have (on average 1.233644859813084) internal successors, (396), 324 states have internal predecessors, (396), 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) [2025-03-17 07:22:15,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 836 transitions. [2025-03-17 07:22:15,748 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 836 transitions. Word has length 212 [2025-03-17 07:22:15,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:15,748 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 836 transitions. [2025-03-17 07:22:15,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (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) [2025-03-17 07:22:15,748 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 836 transitions. [2025-03-17 07:22:15,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2025-03-17 07:22:15,751 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:15,752 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] [2025-03-17 07:22:15,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 07:22:15,952 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 07:22:15,952 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:15,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:15,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1683344040, now seen corresponding path program 1 times [2025-03-17 07:22:15,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:15,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212070809] [2025-03-17 07:22:15,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:15,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:22:19,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes. [2025-03-17 07:22:19,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 228 of 228 statements. [2025-03-17 07:22:19,831 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:19,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2025-03-17 07:22:21,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:22:21,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212070809] [2025-03-17 07:22:21,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212070809] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:22:21,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990607083] [2025-03-17 07:22:21,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:21,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:22:21,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:22:21,486 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 07:22:21,486 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 07:22:25,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes. [2025-03-17 07:22:26,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 228 of 228 statements. [2025-03-17 07:22:26,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:26,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:26,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 4911 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 07:22:26,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:22:28,321 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2025-03-17 07:22:28,322 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:22:28,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990607083] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:22:28,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:22:28,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2025-03-17 07:22:28,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656164861] [2025-03-17 07:22:28,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:22:28,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 07:22:28,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:22:28,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 07:22:28,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-17 07:22:28,326 INFO L87 Difference]: Start difference. First operand 560 states and 836 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 5 states have call successors, (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) [2025-03-17 07:22:34,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:34,242 INFO L93 Difference]: Finished difference Result 1092 states and 1642 transitions. [2025-03-17 07:22:34,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 07:22:34,242 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 5 states have call successors, (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 228 [2025-03-17 07:22:34,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:34,247 INFO L225 Difference]: With dead ends: 1092 [2025-03-17 07:22:34,247 INFO L226 Difference]: Without dead ends: 577 [2025-03-17 07:22:34,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 223 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 07:22:34,252 INFO L435 NwaCegarLoop]: 705 mSDtfsCounter, 60 mSDsluCounter, 4081 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 4786 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2025-03-17 07:22:34,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 4786 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2025-03-17 07:22:34,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-03-17 07:22:34,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 560. [2025-03-17 07:22:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 321 states have (on average 1.233644859813084) internal successors, (396), 324 states have internal predecessors, (396), 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) [2025-03-17 07:22:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 836 transitions. [2025-03-17 07:22:34,281 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 836 transitions. Word has length 228 [2025-03-17 07:22:34,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:34,281 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 836 transitions. [2025-03-17 07:22:34,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 5 states have call successors, (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) [2025-03-17 07:22:34,282 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 836 transitions. [2025-03-17 07:22:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2025-03-17 07:22:34,284 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:34,284 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] [2025-03-17 07:22:34,308 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 07:22:34,484 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 07:22:34,485 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:34,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:34,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1171467853, now seen corresponding path program 2 times [2025-03-17 07:22:34,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:34,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785480655] [2025-03-17 07:22:34,486 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 07:22:34,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:22:38,082 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 243 statements into 2 equivalence classes. [2025-03-17 07:22:38,201 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 26 of 243 statements. [2025-03-17 07:22:38,202 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 07:22:38,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:40,563 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2025-03-17 07:22:40,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:22:40,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785480655] [2025-03-17 07:22:40,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785480655] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:22:40,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:22:40,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 07:22:40,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829102350] [2025-03-17 07:22:40,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:22:40,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 07:22:40,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:22:40,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 07:22:40,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 07:22:40,568 INFO L87 Difference]: Start difference. First operand 560 states and 836 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2025-03-17 07:22:41,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:41,232 INFO L93 Difference]: Finished difference Result 568 states and 844 transitions. [2025-03-17 07:22:41,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 07:22:41,233 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 243 [2025-03-17 07:22:41,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:41,240 INFO L225 Difference]: With dead ends: 568 [2025-03-17 07:22:41,241 INFO L226 Difference]: Without dead ends: 566 [2025-03-17 07:22:41,241 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 07:22:41,242 INFO L435 NwaCegarLoop]: 766 mSDtfsCounter, 3 mSDsluCounter, 3027 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3793 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 07:22:41,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3793 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 07:22:41,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2025-03-17 07:22:41,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 565. [2025-03-17 07:22:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 324 states have (on average 1.2314814814814814) internal successors, (399), 327 states have internal predecessors, (399), 202 states have call successors, (202), 36 states have call predecessors, (202), 37 states have return successors, (240), 201 states have call predecessors, (240), 200 states have call successors, (240) [2025-03-17 07:22:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 841 transitions. [2025-03-17 07:22:41,266 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 841 transitions. Word has length 243 [2025-03-17 07:22:41,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:41,268 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 841 transitions. [2025-03-17 07:22:41,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2025-03-17 07:22:41,269 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 841 transitions. [2025-03-17 07:22:41,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2025-03-17 07:22:41,272 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:41,272 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:22:41,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 07:22:41,272 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:41,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:41,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1741811066, now seen corresponding path program 3 times [2025-03-17 07:22:41,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:41,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694913513] [2025-03-17 07:22:41,278 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 07:22:41,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms