./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/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_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/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_e13147aa-487a-487f-b052-6cdfd437fee4/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 c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:11:05,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:11:05,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:11:05,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:11:05,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:11:05,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:11:05,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:11:05,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:11:05,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:11:05,681 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:11:05,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:11:05,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:11:05,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:11:05,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:11:05,684 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:11:05,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:11:05,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:11:05,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:11:05,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:11:05,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:11:05,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:11:05,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:11:05,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:11:05,685 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:11:05,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:11:05,685 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:11:05,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:11:05,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:11:05,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:11:05,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:11:05,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:11:05,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:11:05,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:11:05,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:11:05,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:11:05,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:11:05,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:11:05,688 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:11:05,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:11:05,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:11:05,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:11:05,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:11:05,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:11:05,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:11:05,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:11:05,690 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_e13147aa-487a-487f-b052-6cdfd437fee4/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 -> c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 [2024-11-28 02:11:05,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:11:06,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:11:06,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:11:06,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:11:06,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:11:06,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2024-11-28 02:11:09,064 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/data/0029d21b3/d3853f49f1b84d128667c3393fd20b47/FLAG76dda09fe [2024-11-28 02:11:09,767 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:11:09,768 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2024-11-28 02:11:09,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/data/0029d21b3/d3853f49f1b84d128667c3393fd20b47/FLAG76dda09fe [2024-11-28 02:11:10,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/data/0029d21b3/d3853f49f1b84d128667c3393fd20b47 [2024-11-28 02:11:10,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:11:10,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:11:10,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:11:10,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:11:10,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:11:10,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:11:10" (1/1) ... [2024-11-28 02:11:10,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce2a4af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:10, skipping insertion in model container [2024-11-28 02:11:10,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:11:10" (1/1) ... [2024-11-28 02:11:10,218 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:11:10,517 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_e13147aa-487a-487f-b052-6cdfd437fee4/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i[4496,4509] [2024-11-28 02:11:10,527 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_e13147aa-487a-487f-b052-6cdfd437fee4/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i[4556,4569] [2024-11-28 02:11:11,510 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:11,511 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:11,512 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:11,512 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:11,514 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:11,530 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:11,531 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:11,533 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:11,534 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:11,536 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:11,537 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:11,538 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:11,538 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,271 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,279 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,395 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,396 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,397 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,397 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,397 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,398 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,398 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,399 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,399 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,399 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,399 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,399 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,400 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,403 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,403 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,403 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,404 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,407 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,407 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,414 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,415 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,416 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:11:12,516 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:11:12,533 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_e13147aa-487a-487f-b052-6cdfd437fee4/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i[4496,4509] [2024-11-28 02:11:12,537 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_e13147aa-487a-487f-b052-6cdfd437fee4/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i[4556,4569] [2024-11-28 02:11:12,605 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,608 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,608 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,609 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,609 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,621 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,624 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,625 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,625 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,626 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,628 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,629 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,629 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,754 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,761 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2024-11-28 02:11:12,796 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,797 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,797 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,798 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,798 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,798 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,799 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,800 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,800 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,800 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,800 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,800 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,801 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,802 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,802 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,802 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,803 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,806 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,808 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,813 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,814 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,815 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:11:12,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:11:13,072 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:11:13,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13 WrapperNode [2024-11-28 02:11:13,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:11:13,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:11:13,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:11:13,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:11:13,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,266 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1059 [2024-11-28 02:11:13,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:11:13,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:11:13,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:11:13,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:11:13,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,296 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,423 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [2, 3, 96, 17, 13, 261]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 1, 0, 4, 11, 12]. The 262 writes are split as follows [0, 1, 18, 3, 0, 240]. [2024-11-28 02:11:13,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,479 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:11:13,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:11:13,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:11:13,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:11:13,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (1/1) ... [2024-11-28 02:11:13,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:11:13,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:11:13,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:11:13,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:11:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-28 02:11:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-28 02:11:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-28 02:11:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-28 02:11:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:11:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-28 02:11:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-28 02:11:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-28 02:11:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-28 02:11:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-28 02:11:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-28 02:11:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-28 02:11:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-28 02:11:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:11:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:11:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 02:11:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 02:11:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 02:11:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 02:11:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:11:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:11:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:11:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:11:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:11:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:11:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-28 02:11:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-28 02:11:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 02:11:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 02:11:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-28 02:11:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-28 02:11:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:11:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:11:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:11:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:11:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:11:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 02:11:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 02:11:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 02:11:13,621 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-28 02:11:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-28 02:11:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-28 02:11:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-28 02:11:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:11:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:11:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-28 02:11:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-28 02:11:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-28 02:11:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-28 02:11:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-28 02:11:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-28 02:11:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 02:11:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 02:11:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 02:11:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 02:11:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 02:11:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 02:11:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-28 02:11:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-28 02:11:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-28 02:11:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-28 02:11:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-28 02:11:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-28 02:11:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 02:11:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 02:11:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 02:11:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 02:11:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 02:11:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 02:11:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 02:11:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 02:11:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 02:11:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 02:11:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 02:11:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 02:11:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:11:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:11:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-28 02:11:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-28 02:11:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-28 02:11:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-28 02:11:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:11:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:11:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 02:11:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 02:11:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 02:11:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 02:11:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 02:11:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 02:11:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 02:11:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 02:11:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 02:11:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 02:11:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 02:11:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-28 02:11:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-28 02:11:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-28 02:11:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-28 02:11:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-28 02:11:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-28 02:11:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:11:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:11:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:11:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:11:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:11:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:11:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-28 02:11:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-28 02:11:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-28 02:11:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-28 02:11:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 02:11:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 02:11:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:11:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:11:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:11:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:11:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:11:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:11:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-28 02:11:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-28 02:11:14,022 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:11:14,024 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:11:20,865 INFO L? ?]: Removed 258 outVars from TransFormulas that were not future-live. [2024-11-28 02:11:20,865 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:11:20,897 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:11:20,898 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-28 02:11:20,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:11:20 BoogieIcfgContainer [2024-11-28 02:11:20,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:11:20,904 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:11:20,904 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:11:20,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:11:20,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:11:10" (1/3) ... [2024-11-28 02:11:20,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172a2c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:11:20, skipping insertion in model container [2024-11-28 02:11:20,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:11:13" (2/3) ... [2024-11-28 02:11:20,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172a2c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:11:20, skipping insertion in model container [2024-11-28 02:11:20,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:11:20" (3/3) ... [2024-11-28 02:11:20,916 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness_negated.i [2024-11-28 02:11:20,932 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:11:20,933 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_pop_harness_negated.i that has 34 procedures, 477 locations, 1 initial locations, 11 loop locations, and 2 error locations. [2024-11-28 02:11:21,023 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:11:21,036 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;@2bffec12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:11:21,038 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 02:11:21,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 457 states, 265 states have (on average 1.2452830188679245) internal successors, (330), 268 states have internal predecessors, (330), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2024-11-28 02:11:21,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-28 02:11:21,064 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:11:21,066 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:11:21,066 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:11:21,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:11:21,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1706138168, now seen corresponding path program 1 times [2024-11-28 02:11:21,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:11:21,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009683569] [2024-11-28 02:11:21,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:11:21,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:11:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:11:28,777 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-28 02:11:28,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:11:28,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009683569] [2024-11-28 02:11:28,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009683569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:11:28,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676812831] [2024-11-28 02:11:28,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:11:28,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:11:28,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:11:28,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:11:28,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:11:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:11:35,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:11:35,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:11:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-28 02:11:35,547 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:11:35,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676812831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:11:35,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:11:35,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:11:35,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91524433] [2024-11-28 02:11:35,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:11:35,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:11:35,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:11:35,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:11:35,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:11:35,582 INFO L87 Difference]: Start difference. First operand has 457 states, 265 states have (on average 1.2452830188679245) internal successors, (330), 268 states have internal predecessors, (330), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 02:11:35,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:11:35,692 INFO L93 Difference]: Finished difference Result 886 states and 1399 transitions. [2024-11-28 02:11:35,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:11:35,694 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 163 [2024-11-28 02:11:35,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:11:35,708 INFO L225 Difference]: With dead ends: 886 [2024-11-28 02:11:35,708 INFO L226 Difference]: Without dead ends: 450 [2024-11-28 02:11:35,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 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 02:11:35,719 INFO L435 NwaCegarLoop]: 643 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, 643 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 02:11:35,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:11:35,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-28 02:11:35,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-28 02:11:35,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 259 states have (on average 1.22007722007722) internal successors, (316), 262 states have internal predecessors, (316), 162 states have call successors, (162), 28 states have call predecessors, (162), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-28 02:11:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 638 transitions. [2024-11-28 02:11:35,815 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 638 transitions. Word has length 163 [2024-11-28 02:11:35,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:11:35,817 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 638 transitions. [2024-11-28 02:11:35,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 02:11:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 638 transitions. [2024-11-28 02:11:35,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-28 02:11:35,821 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:11:35,822 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:11:35,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:11:36,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:11:36,023 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:11:36,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:11:36,023 INFO L85 PathProgramCache]: Analyzing trace with hash 261590474, now seen corresponding path program 1 times [2024-11-28 02:11:36,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:11:36,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172524129] [2024-11-28 02:11:36,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:11:36,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:11:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:11:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-28 02:11:42,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:11:42,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172524129] [2024-11-28 02:11:42,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172524129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:11:42,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812733842] [2024-11-28 02:11:42,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:11:42,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:11:42,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:11:42,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:11:42,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:11:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:11:48,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:11:48,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:11:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:11:49,525 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:11:49,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812733842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:11:49,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:11:49,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-28 02:11:49,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449588951] [2024-11-28 02:11:49,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:11:49,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:11:49,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:11:49,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:11:49,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:11:49,529 INFO L87 Difference]: Start difference. First operand 450 states and 638 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-28 02:11:51,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:11:51,965 INFO L93 Difference]: Finished difference Result 851 states and 1225 transitions. [2024-11-28 02:11:51,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:11:51,966 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 163 [2024-11-28 02:11:51,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:11:51,973 INFO L225 Difference]: With dead ends: 851 [2024-11-28 02:11:51,973 INFO L226 Difference]: Without dead ends: 452 [2024-11-28 02:11:51,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 160 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 02:11:51,979 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 641 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 2218 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:11:51,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 2218 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 02:11:51,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-28 02:11:52,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2024-11-28 02:11:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 260 states have (on average 1.2192307692307693) internal successors, (317), 264 states have internal predecessors, (317), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (173), 160 states have call predecessors, (173), 160 states have call successors, (173) [2024-11-28 02:11:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 652 transitions. [2024-11-28 02:11:52,054 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 652 transitions. Word has length 163 [2024-11-28 02:11:52,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:11:52,055 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 652 transitions. [2024-11-28 02:11:52,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-28 02:11:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 652 transitions. [2024-11-28 02:11:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-28 02:11:52,062 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:11:52,062 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:11:52,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:11:52,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:11:52,263 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:11:52,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:11:52,264 INFO L85 PathProgramCache]: Analyzing trace with hash 679924284, now seen corresponding path program 1 times [2024-11-28 02:11:52,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:11:52,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83348823] [2024-11-28 02:11:52,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:11:52,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:11:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:11:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-28 02:11:59,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:11:59,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83348823] [2024-11-28 02:11:59,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83348823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:11:59,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775335482] [2024-11-28 02:11:59,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:11:59,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:11:59,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:11:59,318 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:11:59,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:12:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:12:05,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 4587 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:12:05,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:12:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:12:06,403 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:12:06,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775335482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:12:06,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:12:06,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-28 02:12:06,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687806078] [2024-11-28 02:12:06,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:12:06,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:12:06,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:12:06,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:12:06,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:12:06,406 INFO L87 Difference]: Start difference. First operand 452 states and 652 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-28 02:12:11,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:12:11,239 INFO L93 Difference]: Finished difference Result 874 states and 1296 transitions. [2024-11-28 02:12:11,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:12:11,240 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 171 [2024-11-28 02:12:11,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:12:11,247 INFO L225 Difference]: With dead ends: 874 [2024-11-28 02:12:11,247 INFO L226 Difference]: Without dead ends: 473 [2024-11-28 02:12:11,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:12:11,252 INFO L435 NwaCegarLoop]: 546 mSDtfsCounter, 691 mSDsluCounter, 2634 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 3180 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:12:11,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 3180 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 02:12:11,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-28 02:12:11,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2024-11-28 02:12:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 276 states have (on average 1.2282608695652173) internal successors, (339), 280 states have internal predecessors, (339), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2024-11-28 02:12:11,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 695 transitions. [2024-11-28 02:12:11,302 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 695 transitions. Word has length 171 [2024-11-28 02:12:11,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:12:11,304 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 695 transitions. [2024-11-28 02:12:11,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-28 02:12:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 695 transitions. [2024-11-28 02:12:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-28 02:12:11,307 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:12:11,308 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:12:11,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:12:11,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:12:11,508 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:12:11,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:12:11,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1748451393, now seen corresponding path program 1 times [2024-11-28 02:12:11,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:12:11,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962315274] [2024-11-28 02:12:11,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:12:11,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:12:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:12:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-28 02:12:17,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:12:17,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962315274] [2024-11-28 02:12:17,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962315274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:12:17,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363654672] [2024-11-28 02:12:17,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:12:17,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:12:17,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:12:17,764 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:12:17,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:12:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:12:24,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 4714 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:12:24,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:12:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:12:25,153 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:12:25,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363654672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:12:25,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:12:25,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-28 02:12:25,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030537505] [2024-11-28 02:12:25,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:12:25,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:12:25,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:12:25,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:12:25,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:12:25,156 INFO L87 Difference]: Start difference. First operand 471 states and 695 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-28 02:12:28,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:12:28,279 INFO L93 Difference]: Finished difference Result 897 states and 1355 transitions. [2024-11-28 02:12:28,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:12:28,280 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 186 [2024-11-28 02:12:28,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:12:28,287 INFO L225 Difference]: With dead ends: 897 [2024-11-28 02:12:28,287 INFO L226 Difference]: Without dead ends: 477 [2024-11-28 02:12:28,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 182 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 02:12:28,293 INFO L435 NwaCegarLoop]: 561 mSDtfsCounter, 657 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 2716 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:12:28,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 2716 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 02:12:28,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-28 02:12:28,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 471. [2024-11-28 02:12:28,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 276 states have (on average 1.2282608695652173) internal successors, (339), 280 states have internal predecessors, (339), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2024-11-28 02:12:28,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 695 transitions. [2024-11-28 02:12:28,338 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 695 transitions. Word has length 186 [2024-11-28 02:12:28,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:12:28,338 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 695 transitions. [2024-11-28 02:12:28,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-28 02:12:28,339 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 695 transitions. [2024-11-28 02:12:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-28 02:12:28,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:12:28,343 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:12:28,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 02:12:28,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:12:28,544 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:12:28,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:12:28,544 INFO L85 PathProgramCache]: Analyzing trace with hash 153228060, now seen corresponding path program 1 times [2024-11-28 02:12:28,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:12:28,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340004884] [2024-11-28 02:12:28,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:12:28,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:12:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:12:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:12:34,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:12:34,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340004884] [2024-11-28 02:12:34,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340004884] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:12:34,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521843160] [2024-11-28 02:12:34,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:12:34,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:12:34,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:12:34,818 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:12:34,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:12:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:12:41,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 4781 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:12:41,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:12:42,685 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-11-28 02:12:42,685 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:12:42,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521843160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:12:42,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:12:42,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-28 02:12:42,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565219442] [2024-11-28 02:12:42,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:12:42,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:12:42,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:12:42,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:12:42,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:12:42,687 INFO L87 Difference]: Start difference. First operand 471 states and 695 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-28 02:12:49,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:12:49,504 INFO L93 Difference]: Finished difference Result 908 states and 1360 transitions. [2024-11-28 02:12:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:12:49,504 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 202 [2024-11-28 02:12:49,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:12:49,511 INFO L225 Difference]: With dead ends: 908 [2024-11-28 02:12:49,512 INFO L226 Difference]: Without dead ends: 488 [2024-11-28 02:12:49,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:12:49,516 INFO L435 NwaCegarLoop]: 540 mSDtfsCounter, 714 mSDsluCounter, 3112 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 3652 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:12:49,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 3652 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-11-28 02:12:49,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-28 02:12:49,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 471. [2024-11-28 02:12:49,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 276 states have (on average 1.2282608695652173) internal successors, (339), 280 states have internal predecessors, (339), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2024-11-28 02:12:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 695 transitions. [2024-11-28 02:12:49,556 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 695 transitions. Word has length 202 [2024-11-28 02:12:49,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:12:49,557 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 695 transitions. [2024-11-28 02:12:49,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-28 02:12:49,557 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 695 transitions. [2024-11-28 02:12:49,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-28 02:12:49,563 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:12:49,563 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:12:49,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 02:12:49,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:12:49,764 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:12:49,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:12:49,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1773973269, now seen corresponding path program 2 times [2024-11-28 02:12:49,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:12:49,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595447410] [2024-11-28 02:12:49,764 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:12:49,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:12:54,187 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:12:54,187 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:12:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-11-28 02:12:56,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:12:56,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595447410] [2024-11-28 02:12:56,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595447410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:12:56,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:12:56,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:12:56,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109309288] [2024-11-28 02:12:56,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:12:56,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:12:56,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:12:56,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:12:56,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:12:56,910 INFO L87 Difference]: Start difference. First operand 471 states and 695 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-28 02:12:57,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:12:57,428 INFO L93 Difference]: Finished difference Result 479 states and 703 transitions. [2024-11-28 02:12:57,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:12:57,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 217 [2024-11-28 02:12:57,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:12:57,435 INFO L225 Difference]: With dead ends: 479 [2024-11-28 02:12:57,435 INFO L226 Difference]: Without dead ends: 477 [2024-11-28 02:12:57,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:12:57,437 INFO L435 NwaCegarLoop]: 635 mSDtfsCounter, 3 mSDsluCounter, 2513 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3148 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:12:57,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3148 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:12:57,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-28 02:12:57,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 476. [2024-11-28 02:12:57,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 279 states have (on average 1.2258064516129032) internal successors, (342), 283 states have internal predecessors, (342), 165 states have call successors, (165), 29 states have call predecessors, (165), 30 states have return successors, (193), 164 states have call predecessors, (193), 163 states have call successors, (193) [2024-11-28 02:12:57,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 700 transitions. [2024-11-28 02:12:57,470 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 700 transitions. Word has length 217 [2024-11-28 02:12:57,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:12:57,472 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 700 transitions. [2024-11-28 02:12:57,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-28 02:12:57,473 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 700 transitions. [2024-11-28 02:12:57,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-28 02:12:57,476 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:12:57,476 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:12:57,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:12:57,476 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:12:57,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:12:57,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1029529010, now seen corresponding path program 3 times [2024-11-28 02:12:57,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:12:57,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069909381] [2024-11-28 02:12:57,477 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:12:57,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:04,050 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 02:13:04,051 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:13:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-28 02:13:06,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:06,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069909381] [2024-11-28 02:13:06,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069909381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:13:06,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419493353] [2024-11-28 02:13:06,558 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:13:06,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:13:06,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:13:06,562 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:13:06,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13147aa-487a-487f-b052-6cdfd437fee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process