./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC --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 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:36:31,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:36:31,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:36:31,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:36:31,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:36:31,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:36:31,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:36:31,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:36:31,540 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:36:31,540 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:36:31,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:36:31,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:36:31,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:36:31,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:36:31,541 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:36:31,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:36:31,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:36:31,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:36:31,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:36:31,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:36:31,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:36:31,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:36:31,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:36:31,543 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:36:31,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:36:31,544 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:36:31,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:36:31,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:36:31,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:36:31,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:36:31,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:36:31,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:36:31,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:36:31,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:36:31,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:36:31,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:36:31,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:36:31,546 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:36:31,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:36:31,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:36:31,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:36:31,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:36:31,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:36:31,547 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:36:31,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:36:31,547 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC 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 -> 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 [2024-11-23 23:36:31,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:36:31,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:36:31,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:36:31,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:36:31,886 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:36:31,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2024-11-23 23:36:34,986 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/data/b12ae39bf/4f25e9011f274202aa6bc7b40e191192/FLAG663a6e19b [2024-11-23 23:36:35,591 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:36:35,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2024-11-23 23:36:35,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/data/b12ae39bf/4f25e9011f274202aa6bc7b40e191192/FLAG663a6e19b [2024-11-23 23:36:35,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/data/b12ae39bf/4f25e9011f274202aa6bc7b40e191192 [2024-11-23 23:36:35,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:36:35,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:36:35,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:36:35,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:36:35,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:36:35,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:36:35" (1/1) ... [2024-11-23 23:36:35,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f63fa1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:35, skipping insertion in model container [2024-11-23 23:36:35,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:36:35" (1/1) ... [2024-11-23 23:36:35,767 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:36:36,051 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2024-11-23 23:36:36,059 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2024-11-23 23:36:37,101 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,102 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,102 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,103 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,105 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,123 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,124 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,127 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,127 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,130 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,131 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,132 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,132 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,951 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:37,959 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,069 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,070 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,071 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,071 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,071 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,072 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,072 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,073 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,073 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,073 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,074 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,075 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,075 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,078 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,079 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,080 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,081 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,087 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,088 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,099 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,100 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,100 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,112 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,113 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,113 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:36:38,197 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:36:38,210 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2024-11-23 23:36:38,211 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2024-11-23 23:36:38,255 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,255 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,256 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,256 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,257 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,264 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,265 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,266 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,266 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,267 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,268 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,269 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,269 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,375 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,381 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-11-23 23:36:38,428 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,429 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,430 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,430 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,430 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,431 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,431 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,432 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,432 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,432 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,433 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,433 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,435 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,436 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,436 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,437 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,437 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,440 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,441 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,450 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,451 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,452 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,464 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,464 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,465 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-23 23:36:38,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:36:38,715 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:36:38,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38 WrapperNode [2024-11-23 23:36:38,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:36:38,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:36:38,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:36:38,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:36:38,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:38,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:38,881 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1086 [2024-11-23 23:36:38,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:36:38,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:36:38,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:36:38,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:36:38,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:38,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:38,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:39,073 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 97, 17, 3, 264, 13]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 0, 4, 1, 12, 11]. The 262 writes are split as follows [0, 18, 3, 1, 240, 0]. [2024-11-23 23:36:39,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:39,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:39,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:39,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:39,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:39,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:39,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:39,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:36:39,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:36:39,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:36:39,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:36:39,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (1/1) ... [2024-11-23 23:36:39,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:36:39,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:36:39,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:36:39,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:36:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-23 23:36:39,281 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-23 23:36:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-23 23:36:39,282 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-23 23:36:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:36:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-23 23:36:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-23 23:36:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-23 23:36:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-23 23:36:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-23 23:36:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-23 23:36:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-23 23:36:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-23 23:36:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:36:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:36:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:36:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:36:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:36:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:36:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:36:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:36:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:36:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:36:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:36:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:36:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-23 23:36:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-23 23:36:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-23 23:36:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-23 23:36:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-23 23:36:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-23 23:36:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:36:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:36:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:36:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:36:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:36:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:36:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:36:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:36:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-23 23:36:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-23 23:36:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-23 23:36:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-23 23:36:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:36:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:36:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-23 23:36:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-23 23:36:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-23 23:36:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-23 23:36:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-23 23:36:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-23 23:36:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:36:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:36:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:36:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:36:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:36:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:36:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-23 23:36:39,290 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-23 23:36:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-23 23:36:39,290 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-23 23:36:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-23 23:36:39,291 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-23 23:36:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 23:36:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 23:36:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 23:36:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-23 23:36:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-23 23:36:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-23 23:36:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 23:36:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 23:36:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 23:36:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-23 23:36:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-23 23:36:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:36:39,294 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-23 23:36:39,294 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-23 23:36:39,294 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-23 23:36:39,294 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-23 23:36:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-23 23:36:39,295 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-23 23:36:39,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-23 23:36:39,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-23 23:36:39,295 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-23 23:36:39,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:36:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-23 23:36:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-23 23:36:39,864 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:36:39,867 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:36:46,787 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-11-23 23:36:46,787 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:36:46,807 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:36:46,807 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-23 23:36:46,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:36:46 BoogieIcfgContainer [2024-11-23 23:36:46,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:36:46,810 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:36:46,810 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:36:46,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:36:46,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:36:35" (1/3) ... [2024-11-23 23:36:46,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52fcf783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:36:46, skipping insertion in model container [2024-11-23 23:36:46,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:38" (2/3) ... [2024-11-23 23:36:46,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52fcf783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:36:46, skipping insertion in model container [2024-11-23 23:36:46,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:36:46" (3/3) ... [2024-11-23 23:36:46,819 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness.i [2024-11-23 23:36:46,835 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:36:46,837 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_remove_harness.i that has 34 procedures, 489 locations, 1 initial locations, 12 loop locations, and 2 error locations. [2024-11-23 23:36:46,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:36:46,917 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;@4889a63f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:36:46,917 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 23:36:46,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 469 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 277 states have internal predecessors, (341), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-23 23:36:46,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-23 23:36:46,942 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:46,943 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:36:46,944 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:46,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:46,952 INFO L85 PathProgramCache]: Analyzing trace with hash -409605288, now seen corresponding path program 1 times [2024-11-23 23:36:46,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:46,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339764862] [2024-11-23 23:36:46,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:46,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:55,069 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-23 23:36:55,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:55,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339764862] [2024-11-23 23:36:55,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339764862] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:36:55,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255744043] [2024-11-23 23:36:55,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:55,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:36:55,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:36:55,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:36:55,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:37:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:02,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 4523 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:37:02,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-23 23:37:02,595 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:02,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255744043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:02,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:37:02,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:37:02,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017512475] [2024-11-23 23:37:02,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:02,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:37:02,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:37:02,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:37:02,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:37:02,627 INFO L87 Difference]: Start difference. First operand has 469 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 277 states have internal predecessors, (341), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:37:02,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:02,726 INFO L93 Difference]: Finished difference Result 910 states and 1440 transitions. [2024-11-23 23:37:02,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:37:02,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2024-11-23 23:37:02,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:02,741 INFO L225 Difference]: With dead ends: 910 [2024-11-23 23:37:02,742 INFO L226 Difference]: Without dead ends: 462 [2024-11-23 23:37:02,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:37:02,756 INFO L435 NwaCegarLoop]: 660 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, 660 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 [2024-11-23 23:37:02,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:37:02,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-23 23:37:02,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2024-11-23 23:37:02,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 267 states have (on average 1.2172284644194757) internal successors, (325), 270 states have internal predecessors, (325), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-23 23:37:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 655 transitions. [2024-11-23 23:37:02,891 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 655 transitions. Word has length 171 [2024-11-23 23:37:02,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:02,893 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 655 transitions. [2024-11-23 23:37:02,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-23 23:37:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 655 transitions. [2024-11-23 23:37:02,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-23 23:37:02,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:02,901 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:37:02,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:37:03,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:37:03,106 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:03,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:03,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1978115567, now seen corresponding path program 1 times [2024-11-23 23:37:03,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:03,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106185542] [2024-11-23 23:37:03,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:03,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:37:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:09,984 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-23 23:37:09,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:37:09,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106185542] [2024-11-23 23:37:09,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106185542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:37:09,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277552464] [2024-11-23 23:37:09,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:09,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:37:09,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:37:09,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:37:09,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:37:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:16,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 4598 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:37:16,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-23 23:37:17,523 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:17,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277552464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:17,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:37:17,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-23 23:37:17,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372721113] [2024-11-23 23:37:17,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:17,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:37:17,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:37:17,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:37:17,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:37:17,527 INFO L87 Difference]: Start difference. First operand 462 states and 655 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-23 23:37:20,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:20,137 INFO L93 Difference]: Finished difference Result 875 states and 1259 transitions. [2024-11-23 23:37:20,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:37:20,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 186 [2024-11-23 23:37:20,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:20,152 INFO L225 Difference]: With dead ends: 875 [2024-11-23 23:37:20,152 INFO L226 Difference]: Without dead ends: 464 [2024-11-23 23:37:20,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:37:20,156 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 663 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:20,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2261 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-23 23:37:20,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-23 23:37:20,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2024-11-23 23:37:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 268 states have (on average 1.2164179104477613) internal successors, (326), 272 states have internal predecessors, (326), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2024-11-23 23:37:20,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 669 transitions. [2024-11-23 23:37:20,203 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 669 transitions. Word has length 186 [2024-11-23 23:37:20,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:20,204 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 669 transitions. [2024-11-23 23:37:20,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-23 23:37:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 669 transitions. [2024-11-23 23:37:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-23 23:37:20,208 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:20,208 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:37:20,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:37:20,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:37:20,409 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:20,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:20,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1545977719, now seen corresponding path program 1 times [2024-11-23 23:37:20,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:20,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860126750] [2024-11-23 23:37:20,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:20,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:37:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:27,272 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-23 23:37:27,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:37:27,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860126750] [2024-11-23 23:37:27,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860126750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:37:27,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346427732] [2024-11-23 23:37:27,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:27,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:37:27,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:37:27,276 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:37:27,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:37:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:33,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:37:33,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:34,901 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-23 23:37:34,901 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:34,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346427732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:34,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:37:34,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-23 23:37:34,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804355871] [2024-11-23 23:37:34,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:34,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:37:34,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:37:34,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:37:34,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:37:34,904 INFO L87 Difference]: Start difference. First operand 464 states and 669 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-23 23:37:39,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:39,883 INFO L93 Difference]: Finished difference Result 898 states and 1330 transitions. [2024-11-23 23:37:39,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:37:39,884 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 194 [2024-11-23 23:37:39,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:39,890 INFO L225 Difference]: With dead ends: 898 [2024-11-23 23:37:39,891 INFO L226 Difference]: Without dead ends: 485 [2024-11-23 23:37:39,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:37:39,895 INFO L435 NwaCegarLoop]: 576 mSDtfsCounter, 696 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:39,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 3335 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-23 23:37:39,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-23 23:37:39,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 483. [2024-11-23 23:37:39,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-11-23 23:37:39,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-11-23 23:37:39,940 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 194 [2024-11-23 23:37:39,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:39,941 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-11-23 23:37:39,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-23 23:37:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-11-23 23:37:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-23 23:37:39,944 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:39,945 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:37:39,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:37:40,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:37:40,146 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:40,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:40,147 INFO L85 PathProgramCache]: Analyzing trace with hash -417810820, now seen corresponding path program 1 times [2024-11-23 23:37:40,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:40,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687883065] [2024-11-23 23:37:40,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:40,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:37:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:46,680 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-23 23:37:46,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:37:46,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687883065] [2024-11-23 23:37:46,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687883065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:37:46,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691798250] [2024-11-23 23:37:46,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:46,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:37:46,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:37:46,683 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:37:46,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:37:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:53,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 4775 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:37:53,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-23 23:37:54,085 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:54,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691798250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:54,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:37:54,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-23 23:37:54,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591360788] [2024-11-23 23:37:54,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:54,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:37:54,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:37:54,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:37:54,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:37:54,088 INFO L87 Difference]: Start difference. First operand 483 states and 712 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-23 23:37:57,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:57,407 INFO L93 Difference]: Finished difference Result 921 states and 1389 transitions. [2024-11-23 23:37:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:37:57,408 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 209 [2024-11-23 23:37:57,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:57,414 INFO L225 Difference]: With dead ends: 921 [2024-11-23 23:37:57,415 INFO L226 Difference]: Without dead ends: 489 [2024-11-23 23:37:57,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:37:57,419 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 679 mSDsluCounter, 2198 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 2772 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:57,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 2772 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-23 23:37:57,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-23 23:37:57,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 483. [2024-11-23 23:37:57,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-11-23 23:37:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-11-23 23:37:57,459 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 209 [2024-11-23 23:37:57,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:57,460 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-11-23 23:37:57,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-23 23:37:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-11-23 23:37:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-23 23:37:57,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:57,465 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:37:57,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:37:57,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:37:57,666 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:57,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:57,667 INFO L85 PathProgramCache]: Analyzing trace with hash -774930059, now seen corresponding path program 1 times [2024-11-23 23:37:57,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:57,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917862715] [2024-11-23 23:37:57,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:57,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:38:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-23 23:38:04,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:38:04,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917862715] [2024-11-23 23:38:04,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917862715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:38:04,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818847199] [2024-11-23 23:38:04,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:38:04,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:38:04,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:38:04,323 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:38:04,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:38:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:10,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 4842 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:38:10,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:38:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-23 23:38:12,335 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:38:12,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818847199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:38:12,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:38:12,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-23 23:38:12,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674269340] [2024-11-23 23:38:12,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:38:12,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:38:12,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:38:12,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:38:12,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:38:12,338 INFO L87 Difference]: Start difference. First operand 483 states and 712 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-11-23 23:38:18,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:38:18,447 INFO L93 Difference]: Finished difference Result 932 states and 1394 transitions. [2024-11-23 23:38:18,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:38:18,448 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 225 [2024-11-23 23:38:18,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:38:18,454 INFO L225 Difference]: With dead ends: 932 [2024-11-23 23:38:18,454 INFO L226 Difference]: Without dead ends: 500 [2024-11-23 23:38:18,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:38:18,459 INFO L435 NwaCegarLoop]: 553 mSDtfsCounter, 735 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:38:18,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 3734 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-23 23:38:18,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-23 23:38:18,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 483. [2024-11-23 23:38:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-11-23 23:38:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-11-23 23:38:18,508 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 225 [2024-11-23 23:38:18,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:38:18,509 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-11-23 23:38:18,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-11-23 23:38:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-11-23 23:38:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-23 23:38:18,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:38:18,516 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:38:18,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:38:18,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:38:18,717 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:38:18,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:38:18,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1597376700, now seen corresponding path program 2 times [2024-11-23 23:38:18,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:38:18,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491831027] [2024-11-23 23:38:18,718 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:38:18,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:38:23,803 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 23:38:23,803 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:38:26,547 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2024-11-23 23:38:26,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:38:26,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491831027] [2024-11-23 23:38:26,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491831027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:38:26,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086218638] [2024-11-23 23:38:26,548 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:38:26,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:38:26,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:38:26,552 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:38:26,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb4bd7e-905b-4087-99a5-02b2350e838e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process