./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB --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 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:57:58,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:57:58,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:57:58,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:57:58,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:57:58,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:57:58,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:57:58,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:57:58,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:57:58,776 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:57:58,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:57:58,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:57:58,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:57:58,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:57:58,778 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:57:58,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:57:58,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:57:58,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:57:58,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:57:58,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:57:58,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:57:58,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:57:58,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:57:58,780 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:57:58,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:57:58,780 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:57:58,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:57:58,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:57:58,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:57:58,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:58,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:57:58,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:57:58,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:57:58,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:57:58,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:58,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:57:58,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:57:58,782 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:57:58,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:57:58,782 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:57:58,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:57:58,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:57:58,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:57:58,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:57:58,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:57:58,783 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_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e [2024-11-28 04:57:59,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:57:59,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:57:59,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:57:59,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:57:59,203 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:57:59,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2024-11-28 04:58:02,666 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/data/198115e5a/4148d08ad403453ea3a13ecb3fc1d47d/FLAGdd5272123 [2024-11-28 04:58:03,486 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:58:03,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2024-11-28 04:58:03,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/data/198115e5a/4148d08ad403453ea3a13ecb3fc1d47d/FLAGdd5272123 [2024-11-28 04:58:03,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/data/198115e5a/4148d08ad403453ea3a13ecb3fc1d47d [2024-11-28 04:58:03,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:58:03,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:58:03,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:58:03,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:58:03,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:58:03,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:58:03" (1/1) ... [2024-11-28 04:58:03,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ee7e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:03, skipping insertion in model container [2024-11-28 04:58:03,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:58:03" (1/1) ... [2024-11-28 04:58:03,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:58:04,063 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_0dd38828-7618-4968-9c7d-3115c57f302d/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4502,4515] [2024-11-28 04:58:04,071 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_0dd38828-7618-4968-9c7d-3115c57f302d/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4562,4575] [2024-11-28 04:58:05,259 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:05,260 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:05,260 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:05,261 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:05,262 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:05,282 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:05,283 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:05,285 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:05,286 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:05,289 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:05,290 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:05,291 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:05,291 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,164 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,164 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,174 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,184 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,311 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,312 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,312 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,313 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,313 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,313 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,314 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,321 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,321 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,322 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,322 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,322 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,324 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,328 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,329 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,330 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,331 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,339 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,340 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,357 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,363 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,364 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:58:06,431 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:58:06,446 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_0dd38828-7618-4968-9c7d-3115c57f302d/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4502,4515] [2024-11-28 04:58:06,447 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_0dd38828-7618-4968-9c7d-3115c57f302d/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4562,4575] [2024-11-28 04:58:06,510 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,510 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,511 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,511 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,512 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,570 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,571 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,572 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,573 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,575 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,575 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,576 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,578 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,719 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,720 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,722 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,728 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2024-11-28 04:58:06,762 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,763 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,763 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,763 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,764 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,764 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,764 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,765 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,765 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,765 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,766 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,766 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,766 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,767 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,770 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,771 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,771 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,775 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,775 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,784 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,785 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,785 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:58:06,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:58:07,047 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:58:07,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07 WrapperNode [2024-11-28 04:58:07,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:58:07,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:58:07,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:58:07,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:58:07,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,270 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 60, calls inlined = 14, statements flattened = 847 [2024-11-28 04:58:07,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:58:07,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:58:07,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:58:07,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:58:07,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,303 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,411 INFO L175 MemorySlicer]: Split 333 memory accesses to 6 slices as follows [238, 2, 3, 18, 65, 7]. 71 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 1, 5, 0, 2]. The 257 writes are split as follows [232, 0, 1, 6, 17, 1]. [2024-11-28 04:58:07,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,496 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:58:07,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:58:07,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:58:07,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:58:07,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (1/1) ... [2024-11-28 04:58:07,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:58:07,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:58:07,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:58:07,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:58:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-28 04:58:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-28 04:58:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-28 04:58:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-28 04:58:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:58:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-28 04:58:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-28 04:58:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-28 04:58:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-28 04:58:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-28 04:58:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-28 04:58:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-28 04:58:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-28 04:58:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:58:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:58:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:58:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:58:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:58:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:58:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:58:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:58:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:58:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:58:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:58:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:58:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-28 04:58:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-28 04:58:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:58:07,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:58:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:58:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:58:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:58:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:58:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:58:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:58:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:58:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:58:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-28 04:58:07,637 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-28 04:58:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-28 04:58:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-28 04:58:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:58:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:58:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-28 04:58:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-28 04:58:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-28 04:58:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-28 04:58:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-28 04:58:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-28 04:58:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:58:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:58:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:58:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:58:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:58:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:58:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-28 04:58:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-28 04:58:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-28 04:58:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-28 04:58:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-28 04:58:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-28 04:58:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:58:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:58:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-28 04:58:07,640 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-28 04:58:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:58:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:58:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:58:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:58:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:58:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:58:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:58:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:58:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:58:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:58:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:58:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:58:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:58:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-28 04:58:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-28 04:58:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-28 04:58:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-28 04:58:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-28 04:58:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-28 04:58:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:58:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:58:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:58:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:58:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:58:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:58:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-28 04:58:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-28 04:58:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-28 04:58:07,650 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-28 04:58:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:58:07,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:58:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:58:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:58:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:58:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:58:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:58:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:58:08,227 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:58:08,230 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:58:15,662 INFO L? ?]: Removed 197 outVars from TransFormulas that were not future-live. [2024-11-28 04:58:15,663 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:58:15,682 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:58:15,683 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-28 04:58:15,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:58:15 BoogieIcfgContainer [2024-11-28 04:58:15,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:58:15,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:58:15,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:58:15,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:58:15,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:58:03" (1/3) ... [2024-11-28 04:58:15,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2772ee06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:58:15, skipping insertion in model container [2024-11-28 04:58:15,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:07" (2/3) ... [2024-11-28 04:58:15,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2772ee06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:58:15, skipping insertion in model container [2024-11-28 04:58:15,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:58:15" (3/3) ... [2024-11-28 04:58:15,702 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_up_harness.i [2024-11-28 04:58:15,724 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:58:15,726 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_sift_up_harness.i that has 25 procedures, 324 locations, 1 initial locations, 5 loop locations, and 2 error locations. [2024-11-28 04:58:15,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:58:15,843 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;@5aa22de7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:58:15,843 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 04:58:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 324 states, 195 states have (on average 1.235897435897436) internal successors, (241), 198 states have internal predecessors, (241), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-28 04:58:15,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 04:58:15,876 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:15,877 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 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] [2024-11-28 04:58:15,877 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:58:15,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:15,888 INFO L85 PathProgramCache]: Analyzing trace with hash 450516421, now seen corresponding path program 1 times [2024-11-28 04:58:15,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:15,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467348511] [2024-11-28 04:58:15,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:15,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-28 04:58:25,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:25,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467348511] [2024-11-28 04:58:25,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467348511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:58:25,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300361953] [2024-11-28 04:58:25,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:25,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:25,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:58:25,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:58:25,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:58:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:34,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 4432 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:58:34,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:58:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:58:34,751 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:58:34,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300361953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:34,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:58:34,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:58:34,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015086382] [2024-11-28 04:58:34,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:34,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:58:34,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:34,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:58:34,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:58:34,802 INFO L87 Difference]: Start difference. First operand has 324 states, 195 states have (on average 1.235897435897436) internal successors, (241), 198 states have internal predecessors, (241), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 04:58:34,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:34,912 INFO L93 Difference]: Finished difference Result 623 states and 932 transitions. [2024-11-28 04:58:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:58:34,915 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2024-11-28 04:58:34,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:34,927 INFO L225 Difference]: With dead ends: 623 [2024-11-28 04:58:34,928 INFO L226 Difference]: Without dead ends: 317 [2024-11-28 04:58:34,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:58:34,940 INFO L435 NwaCegarLoop]: 435 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, 435 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 [2024-11-28 04:58:34,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:58:34,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-28 04:58:35,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2024-11-28 04:58:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 190 states have (on average 1.2) internal successors, (228), 192 states have internal predecessors, (228), 102 states have call successors, (102), 24 states have call predecessors, (102), 23 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-28 04:58:35,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 430 transitions. [2024-11-28 04:58:35,066 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 430 transitions. Word has length 137 [2024-11-28 04:58:35,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:35,069 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 430 transitions. [2024-11-28 04:58:35,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 04:58:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 430 transitions. [2024-11-28 04:58:35,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 04:58:35,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:35,077 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 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] [2024-11-28 04:58:35,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:58:35,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:58:35,282 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:58:35,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:35,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1079717058, now seen corresponding path program 1 times [2024-11-28 04:58:35,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:35,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412623832] [2024-11-28 04:58:35,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:35,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:43,577 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 04:58:43,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:43,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412623832] [2024-11-28 04:58:43,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412623832] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:58:43,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029593597] [2024-11-28 04:58:43,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:43,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:43,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:58:43,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:58:43,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:58:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:50,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 4433 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:58:50,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:58:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 04:58:51,704 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:58:51,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029593597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:51,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:58:51,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-28 04:58:51,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503111232] [2024-11-28 04:58:51,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:51,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:58:51,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:51,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:58:51,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:58:51,708 INFO L87 Difference]: Start difference. First operand 317 states and 430 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-28 04:58:53,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:53,428 INFO L93 Difference]: Finished difference Result 588 states and 802 transitions. [2024-11-28 04:58:53,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:58:53,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 137 [2024-11-28 04:58:53,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:53,441 INFO L225 Difference]: With dead ends: 588 [2024-11-28 04:58:53,441 INFO L226 Difference]: Without dead ends: 319 [2024-11-28 04:58:53,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:58:53,445 INFO L435 NwaCegarLoop]: 384 mSDtfsCounter, 431 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1500 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:53,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 1500 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:58:53,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-28 04:58:53,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2024-11-28 04:58:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 191 states have (on average 1.198952879581152) internal successors, (229), 194 states have internal predecessors, (229), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (104), 100 states have call predecessors, (104), 100 states have call successors, (104) [2024-11-28 04:58:53,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 435 transitions. [2024-11-28 04:58:53,500 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 435 transitions. Word has length 137 [2024-11-28 04:58:53,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:53,501 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 435 transitions. [2024-11-28 04:58:53,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-28 04:58:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 435 transitions. [2024-11-28 04:58:53,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 04:58:53,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:53,505 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 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] [2024-11-28 04:58:53,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:58:53,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:53,706 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:58:53,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:53,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1460091762, now seen corresponding path program 1 times [2024-11-28 04:58:53,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:53,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966113586] [2024-11-28 04:58:53,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:53,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:02,517 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 04:59:02,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:02,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966113586] [2024-11-28 04:59:02,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966113586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:59:02,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706762043] [2024-11-28 04:59:02,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:02,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:02,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:59:02,520 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:59:02,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:59:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:09,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 4483 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:59:09,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 04:59:11,011 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:59:11,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706762043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:11,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:59:11,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-28 04:59:11,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081355088] [2024-11-28 04:59:11,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:11,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:59:11,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:11,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:59:11,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:59:11,014 INFO L87 Difference]: Start difference. First operand 319 states and 435 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 04:59:14,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:14,682 INFO L93 Difference]: Finished difference Result 611 states and 849 transitions. [2024-11-28 04:59:14,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:59:14,683 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 145 [2024-11-28 04:59:14,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:14,689 INFO L225 Difference]: With dead ends: 611 [2024-11-28 04:59:14,689 INFO L226 Difference]: Without dead ends: 340 [2024-11-28 04:59:14,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:59:14,692 INFO L435 NwaCegarLoop]: 367 mSDtfsCounter, 481 mSDsluCounter, 1773 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 2140 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:14,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 2140 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-28 04:59:14,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-28 04:59:14,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 338. [2024-11-28 04:59:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 207 states have (on average 1.21256038647343) internal successors, (251), 210 states have internal predecessors, (251), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2024-11-28 04:59:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 472 transitions. [2024-11-28 04:59:14,730 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 472 transitions. Word has length 145 [2024-11-28 04:59:14,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:14,731 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 472 transitions. [2024-11-28 04:59:14,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 04:59:14,732 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 472 transitions. [2024-11-28 04:59:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 04:59:14,734 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:14,735 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 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] [2024-11-28 04:59:14,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:59:14,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:14,936 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:14,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:14,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1899729027, now seen corresponding path program 1 times [2024-11-28 04:59:14,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:14,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299645290] [2024-11-28 04:59:14,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:14,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:22,931 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 04:59:22,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:22,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299645290] [2024-11-28 04:59:22,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299645290] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:59:22,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73368060] [2024-11-28 04:59:22,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:22,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:22,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:59:22,936 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:59:22,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:59:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:31,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:59:31,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:32,063 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 04:59:32,064 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:59:32,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73368060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:32,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:59:32,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-28 04:59:32,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030056540] [2024-11-28 04:59:32,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:32,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:59:32,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:32,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:59:32,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:59:32,067 INFO L87 Difference]: Start difference. First operand 338 states and 472 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-28 04:59:34,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:34,510 INFO L93 Difference]: Finished difference Result 634 states and 893 transitions. [2024-11-28 04:59:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:59:34,511 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2024-11-28 04:59:34,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:34,517 INFO L225 Difference]: With dead ends: 634 [2024-11-28 04:59:34,517 INFO L226 Difference]: Without dead ends: 344 [2024-11-28 04:59:34,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:59:34,520 INFO L435 NwaCegarLoop]: 376 mSDtfsCounter, 447 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:34,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1822 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 04:59:34,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-28 04:59:34,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 338. [2024-11-28 04:59:34,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 207 states have (on average 1.21256038647343) internal successors, (251), 210 states have internal predecessors, (251), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2024-11-28 04:59:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 472 transitions. [2024-11-28 04:59:34,554 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 472 transitions. Word has length 160 [2024-11-28 04:59:34,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:34,555 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 472 transitions. [2024-11-28 04:59:34,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-28 04:59:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 472 transitions. [2024-11-28 04:59:34,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-28 04:59:34,559 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:34,559 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:34,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:59:34,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:34,760 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:34,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:34,760 INFO L85 PathProgramCache]: Analyzing trace with hash -744914366, now seen corresponding path program 1 times [2024-11-28 04:59:34,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:34,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235788969] [2024-11-28 04:59:34,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:34,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-28 04:59:42,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:42,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235788969] [2024-11-28 04:59:42,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235788969] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:59:42,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879465146] [2024-11-28 04:59:42,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:42,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:42,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:59:42,656 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:59:42,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:59:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:50,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 4682 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:59:50,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-28 04:59:52,167 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:59:52,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879465146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:52,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:59:52,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-28 04:59:52,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489364618] [2024-11-28 04:59:52,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:52,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:59:52,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:52,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:59:52,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:59:52,169 INFO L87 Difference]: Start difference. First operand 338 states and 472 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-28 04:59:56,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:56,569 INFO L93 Difference]: Finished difference Result 645 states and 907 transitions. [2024-11-28 04:59:56,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:59:56,570 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 176 [2024-11-28 04:59:56,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:56,576 INFO L225 Difference]: With dead ends: 645 [2024-11-28 04:59:56,576 INFO L226 Difference]: Without dead ends: 355 [2024-11-28 04:59:56,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:59:56,583 INFO L435 NwaCegarLoop]: 361 mSDtfsCounter, 504 mSDsluCounter, 2081 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:56,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 2442 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-28 04:59:56,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-28 04:59:56,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 338. [2024-11-28 04:59:56,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 207 states have (on average 1.21256038647343) internal successors, (251), 210 states have internal predecessors, (251), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2024-11-28 04:59:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 472 transitions. [2024-11-28 04:59:56,632 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 472 transitions. Word has length 176 [2024-11-28 04:59:56,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:56,635 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 472 transitions. [2024-11-28 04:59:56,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-28 04:59:56,636 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 472 transitions. [2024-11-28 04:59:56,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-28 04:59:56,639 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:56,639 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 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, 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] [2024-11-28 04:59:56,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:59:56,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:56,840 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:56,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:56,840 INFO L85 PathProgramCache]: Analyzing trace with hash 668604875, now seen corresponding path program 1 times [2024-11-28 04:59:56,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:56,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112452453] [2024-11-28 04:59:56,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:56,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-28 05:00:04,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:04,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112452453] [2024-11-28 05:00:04,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112452453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:00:04,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651839957] [2024-11-28 05:00:04,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:04,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:00:04,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:00:04,723 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:00:04,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 05:00:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:13,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 4809 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:00:13,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:00:14,394 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-28 05:00:14,394 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:00:14,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651839957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:14,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:00:14,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-28 05:00:14,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031705838] [2024-11-28 05:00:14,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:14,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:00:14,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:14,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:00:14,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:00:14,397 INFO L87 Difference]: Start difference. First operand 338 states and 472 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-28 05:00:17,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:17,059 INFO L93 Difference]: Finished difference Result 595 states and 841 transitions. [2024-11-28 05:00:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:00:17,063 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 191 [2024-11-28 05:00:17,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:17,067 INFO L225 Difference]: With dead ends: 595 [2024-11-28 05:00:17,067 INFO L226 Difference]: Without dead ends: 340 [2024-11-28 05:00:17,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:00:17,071 INFO L435 NwaCegarLoop]: 374 mSDtfsCounter, 451 mSDsluCounter, 1805 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:17,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 2179 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 05:00:17,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-28 05:00:17,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2024-11-28 05:00:17,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 208 states have (on average 1.2115384615384615) internal successors, (252), 212 states have internal predecessors, (252), 104 states have call successors, (104), 24 states have call predecessors, (104), 26 states have return successors, (119), 103 states have call predecessors, (119), 102 states have call successors, (119) [2024-11-28 05:00:17,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 475 transitions. [2024-11-28 05:00:17,098 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 475 transitions. Word has length 191 [2024-11-28 05:00:17,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:17,099 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 475 transitions. [2024-11-28 05:00:17,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-28 05:00:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 475 transitions. [2024-11-28 05:00:17,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-28 05:00:17,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:17,104 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 05:00:17,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 05:00:17,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:00:17,305 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:17,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:17,305 INFO L85 PathProgramCache]: Analyzing trace with hash 164953387, now seen corresponding path program 1 times [2024-11-28 05:00:17,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:17,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107191479] [2024-11-28 05:00:17,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:17,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-28 05:00:25,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:25,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107191479] [2024-11-28 05:00:25,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107191479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:00:25,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428678817] [2024-11-28 05:00:25,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:25,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:00:25,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:00:25,560 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:00:25,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 05:00:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:34,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 4909 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:00:34,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:00:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 05:00:35,986 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:00:35,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428678817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:35,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:00:35,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2024-11-28 05:00:35,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376767781] [2024-11-28 05:00:35,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:35,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:00:35,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:35,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:00:35,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:00:35,989 INFO L87 Difference]: Start difference. First operand 340 states and 475 transitions. Second operand has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 5 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) [2024-11-28 05:00:41,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:41,128 INFO L93 Difference]: Finished difference Result 613 states and 867 transitions. [2024-11-28 05:00:41,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 05:00:41,129 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 5 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) Word has length 207 [2024-11-28 05:00:41,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:41,134 INFO L225 Difference]: With dead ends: 613 [2024-11-28 05:00:41,134 INFO L226 Difference]: Without dead ends: 356 [2024-11-28 05:00:41,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:00:41,137 INFO L435 NwaCegarLoop]: 374 mSDtfsCounter, 484 mSDsluCounter, 2511 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 2885 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:41,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 2885 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 05:00:41,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-28 05:00:41,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2024-11-28 05:00:41,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 221 states have (on average 1.2217194570135748) internal successors, (270), 224 states have internal predecessors, (270), 105 states have call successors, (105), 24 states have call predecessors, (105), 26 states have return successors, (120), 105 states have call predecessors, (120), 103 states have call successors, (120) [2024-11-28 05:00:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 495 transitions. [2024-11-28 05:00:41,164 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 495 transitions. Word has length 207 [2024-11-28 05:00:41,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:41,166 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 495 transitions. [2024-11-28 05:00:41,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 5 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) [2024-11-28 05:00:41,168 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 495 transitions. [2024-11-28 05:00:41,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-28 05:00:41,172 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:41,172 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 05:00:41,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 05:00:41,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:00:41,374 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:41,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:41,374 INFO L85 PathProgramCache]: Analyzing trace with hash 471014747, now seen corresponding path program 1 times [2024-11-28 05:00:41,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:41,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223712117] [2024-11-28 05:00:41,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:41,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:49,701 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-28 05:00:49,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:49,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223712117] [2024-11-28 05:00:49,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223712117] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:00:49,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182875476] [2024-11-28 05:00:49,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:49,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:00:49,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:00:49,704 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:00:49,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 05:00:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:58,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 5163 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:00:58,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:01:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 05:01:00,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:01:00,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182875476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:01:00,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:01:00,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-28 05:01:00,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929236552] [2024-11-28 05:01:00,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:01:00,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:01:00,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:00,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:01:00,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:01:00,032 INFO L87 Difference]: Start difference. First operand 354 states and 495 transitions. Second operand has 9 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-28 05:01:03,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:03,666 INFO L93 Difference]: Finished difference Result 631 states and 892 transitions. [2024-11-28 05:01:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:01:03,667 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 237 [2024-11-28 05:01:03,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:03,672 INFO L225 Difference]: With dead ends: 631 [2024-11-28 05:01:03,672 INFO L226 Difference]: Without dead ends: 360 [2024-11-28 05:01:03,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:01:03,675 INFO L435 NwaCegarLoop]: 366 mSDtfsCounter, 467 mSDsluCounter, 2109 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 2475 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:03,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 2475 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-28 05:01:03,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-28 05:01:03,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 354. [2024-11-28 05:01:03,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 221 states have (on average 1.2217194570135748) internal successors, (270), 224 states have internal predecessors, (270), 105 states have call successors, (105), 24 states have call predecessors, (105), 26 states have return successors, (120), 105 states have call predecessors, (120), 103 states have call successors, (120) [2024-11-28 05:01:03,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 495 transitions. [2024-11-28 05:01:03,701 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 495 transitions. Word has length 237 [2024-11-28 05:01:03,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:03,702 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 495 transitions. [2024-11-28 05:01:03,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-28 05:01:03,703 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 495 transitions. [2024-11-28 05:01:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-28 05:01:03,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:03,708 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:03,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 05:01:03,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd38828-7618-4968-9c7d-3115c57f302d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:03,909 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:03,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:03,909 INFO L85 PathProgramCache]: Analyzing trace with hash 98488433, now seen corresponding path program 1 times [2024-11-28 05:01:03,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:03,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975079760] [2024-11-28 05:01:03,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:03,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat