./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 13:19:05,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 13:19:05,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-01 13:19:05,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 13:19:05,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 13:19:05,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 13:19:05,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 13:19:05,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 13:19:05,796 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 13:19:05,796 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 13:19:05,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 13:19:05,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 13:19:05,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 13:19:05,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 13:19:05,797 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 13:19:05,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 13:19:05,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 13:19:05,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 13:19:05,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 13:19:05,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 13:19:05,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 13:19:05,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 13:19:05,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 13:19:05,798 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 13:19:05,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 13:19:05,798 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 13:19:05,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 13:19:05,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 13:19:05,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 13:19:05,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 13:19:05,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 13:19:05,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 13:19:05,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 13:19:05,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 13:19:05,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 13:19:05,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 13:19:05,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 13:19:05,799 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 13:19:05,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 13:19:05,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 13:19:05,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 13:19:05,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 13:19:05,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 13:19:05,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 13:19:05,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 13:19:05,800 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_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 [2024-12-01 13:19:06,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 13:19:06,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 13:19:06,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 13:19:06,052 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 13:19:06,053 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 13:19:06,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2024-12-01 13:19:08,868 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/data/24b7e6f64/4d9293acde0940aab0de080c84c57f9d/FLAG099e2766b [2024-12-01 13:19:09,251 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 13:19:09,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2024-12-01 13:19:09,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/data/24b7e6f64/4d9293acde0940aab0de080c84c57f9d/FLAG099e2766b [2024-12-01 13:19:09,297 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/data/24b7e6f64/4d9293acde0940aab0de080c84c57f9d [2024-12-01 13:19:09,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 13:19:09,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 13:19:09,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 13:19:09,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 13:19:09,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 13:19:09,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:19:09" (1/1) ... [2024-12-01 13:19:09,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f56a6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:09, skipping insertion in model container [2024-12-01 13:19:09,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:19:09" (1/1) ... [2024-12-01 13:19:09,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 13:19:09,667 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_faaf460c-4a3d-44b4-a175-eeb273df8d70/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2024-12-01 13:19:09,675 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_faaf460c-4a3d-44b4-a175-eeb273df8d70/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2024-12-01 13:19:10,602 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:10,603 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:10,603 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:10,604 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:10,605 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:10,617 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:10,617 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:10,619 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:10,620 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:10,621 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:10,622 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:10,622 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:10,623 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,391 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,399 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,480 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,481 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,481 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,481 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,481 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,482 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,482 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,483 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,483 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,483 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,483 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,484 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,484 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,487 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,487 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,487 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,488 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,491 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,492 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,499 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,500 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,500 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,514 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,514 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,514 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 13:19:11,553 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 13:19:11,570 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_faaf460c-4a3d-44b4-a175-eeb273df8d70/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2024-12-01 13:19:11,570 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_faaf460c-4a3d-44b4-a175-eeb273df8d70/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2024-12-01 13:19:11,624 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,625 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,625 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,626 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,626 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,633 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,634 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,635 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,635 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,636 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,637 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,637 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,637 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,730 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,736 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-12-01 13:19:11,761 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,762 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,762 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,762 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,763 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,763 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,763 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,764 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,764 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,764 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,764 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,764 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,765 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,765 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,766 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,766 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,766 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,769 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,769 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,776 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,777 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,777 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,785 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,785 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,786 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-01 13:19:11,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 13:19:11,986 INFO L204 MainTranslator]: Completed translation [2024-12-01 13:19:11,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11 WrapperNode [2024-12-01 13:19:11,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 13:19:11,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 13:19:11,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 13:19:11,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 13:19:11,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,111 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1086 [2024-12-01 13:19:12,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 13:19:12,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 13:19:12,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 13:19:12,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 13:19:12,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,128 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,222 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 13, 97, 17, 3, 264]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 11, 0, 4, 1, 12]. The 262 writes are split as follows [0, 0, 18, 3, 1, 240]. [2024-12-01 13:19:12,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,265 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 13:19:12,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 13:19:12,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 13:19:12,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 13:19:12,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (1/1) ... [2024-12-01 13:19:12,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 13:19:12,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 13:19:12,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 13:19:12,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 13:19:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-12-01 13:19:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-12-01 13:19:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-12-01 13:19:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-12-01 13:19:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-01 13:19:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-12-01 13:19:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-12-01 13:19:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-12-01 13:19:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-12-01 13:19:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-12-01 13:19:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-12-01 13:19:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-12-01 13:19:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-01 13:19:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-12-01 13:19:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-12-01 13:19:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-01 13:19:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-01 13:19:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-12-01 13:19:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-12-01 13:19:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-01 13:19:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 13:19:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-01 13:19:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-01 13:19:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-01 13:19:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-01 13:19:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-01 13:19:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-01 13:19:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-12-01 13:19:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-12-01 13:19:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-12-01 13:19:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-12-01 13:19:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 13:19:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 13:19:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-12-01 13:19:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-12-01 13:19:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-12-01 13:19:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-12-01 13:19:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-12-01 13:19:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-12-01 13:19:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-01 13:19:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-01 13:19:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-01 13:19:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-01 13:19:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-01 13:19:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-01 13:19:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-12-01 13:19:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-12-01 13:19:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-12-01 13:19:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-12-01 13:19:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-12-01 13:19:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-12-01 13:19:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-01 13:19:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-01 13:19:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-01 13:19:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-01 13:19:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-01 13:19:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-01 13:19:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-01 13:19:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-01 13:19:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-01 13:19:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-01 13:19:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-01 13:19:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-01 13:19:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-01 13:19:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-01 13:19:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-12-01 13:19:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-12-01 13:19:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-12-01 13:19:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-12-01 13:19:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-01 13:19:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-01 13:19:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-01 13:19:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-01 13:19:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-01 13:19:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-01 13:19:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-01 13:19:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-01 13:19:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-01 13:19:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-01 13:19:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-01 13:19:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-01 13:19:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-01 13:19:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-12-01 13:19:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-12-01 13:19:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-12-01 13:19:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-12-01 13:19:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-12-01 13:19:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-12-01 13:19:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-01 13:19:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-01 13:19:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-01 13:19:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-01 13:19:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-01 13:19:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-01 13:19:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-12-01 13:19:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-12-01 13:19:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-12-01 13:19:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-12-01 13:19:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-01 13:19:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-01 13:19:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 13:19:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-01 13:19:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-01 13:19:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-01 13:19:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-01 13:19:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-01 13:19:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-12-01 13:19:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-12-01 13:19:12,709 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 13:19:12,711 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 13:19:19,217 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-12-01 13:19:19,217 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 13:19:19,238 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 13:19:19,238 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-01 13:19:19,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:19:19 BoogieIcfgContainer [2024-12-01 13:19:19,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 13:19:19,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 13:19:19,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 13:19:19,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 13:19:19,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 01:19:09" (1/3) ... [2024-12-01 13:19:19,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1817627b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:19:19, skipping insertion in model container [2024-12-01 13:19:19,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:11" (2/3) ... [2024-12-01 13:19:19,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1817627b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:19:19, skipping insertion in model container [2024-12-01 13:19:19,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:19:19" (3/3) ... [2024-12-01 13:19:19,249 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness.i [2024-12-01 13:19:19,267 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 13:19:19,268 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_remove_harness.i that has 34 procedures, 489 locations, 1 initial locations, 12 loop locations, and 2 error locations. [2024-12-01 13:19:19,345 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 13:19:19,360 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;@7d0926fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 13:19:19,360 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-01 13:19:19,366 INFO L276 IsEmpty]: Start isEmpty. Operand has 469 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 277 states have internal predecessors, (341), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2024-12-01 13:19:19,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-01 13:19:19,381 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:19,382 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:19,383 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 13:19:19,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:19,387 INFO L85 PathProgramCache]: Analyzing trace with hash -409605288, now seen corresponding path program 1 times [2024-12-01 13:19:19,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:19,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624072343] [2024-12-01 13:19:19,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:19,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-01 13:19:26,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:26,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624072343] [2024-12-01 13:19:26,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624072343] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 13:19:26,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702843764] [2024-12-01 13:19:26,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:26,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 13:19:26,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 13:19:26,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 13:19:26,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-01 13:19:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:32,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 4523 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 13:19:32,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 13:19:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-01 13:19:32,996 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 13:19:32,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702843764] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:32,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 13:19:32,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-01 13:19:32,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411065814] [2024-12-01 13:19:33,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:33,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 13:19:33,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:33,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 13:19:33,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 13:19:33,026 INFO L87 Difference]: Start difference. First operand has 469 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 277 states have internal predecessors, (341), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-01 13:19:33,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:33,108 INFO L93 Difference]: Finished difference Result 910 states and 1440 transitions. [2024-12-01 13:19:33,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 13:19:33,110 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2024-12-01 13:19:33,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:33,121 INFO L225 Difference]: With dead ends: 910 [2024-12-01 13:19:33,121 INFO L226 Difference]: Without dead ends: 462 [2024-12-01 13:19:33,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 13:19:33,130 INFO L435 NwaCegarLoop]: 660 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:33,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:19:33,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-12-01 13:19:33,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2024-12-01 13:19:33,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 267 states have (on average 1.2172284644194757) internal successors, (325), 270 states have internal predecessors, (325), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-12-01 13:19:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 655 transitions. [2024-12-01 13:19:33,207 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 655 transitions. Word has length 171 [2024-12-01 13:19:33,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:33,208 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 655 transitions. [2024-12-01 13:19:33,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-01 13:19:33,208 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 655 transitions. [2024-12-01 13:19:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-01 13:19:33,212 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:33,213 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:33,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-01 13:19:33,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-01 13:19:33,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 13:19:33,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:33,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1978115567, now seen corresponding path program 1 times [2024-12-01 13:19:33,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:33,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768720989] [2024-12-01 13:19:33,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:33,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-12-01 13:19:39,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:39,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768720989] [2024-12-01 13:19:39,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768720989] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 13:19:39,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916223452] [2024-12-01 13:19:39,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:39,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 13:19:39,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 13:19:39,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 13:19:39,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-01 13:19:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:45,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 4598 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-01 13:19:45,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 13:19:46,151 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-12-01 13:19:46,151 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 13:19:46,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916223452] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:19:46,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 13:19:46,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-12-01 13:19:46,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465254629] [2024-12-01 13:19:46,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:19:46,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-01 13:19:46,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:19:46,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-01 13:19:46,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:19:46,154 INFO L87 Difference]: Start difference. First operand 462 states and 655 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-01 13:19:48,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:19:48,262 INFO L93 Difference]: Finished difference Result 875 states and 1259 transitions. [2024-12-01 13:19:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 13:19:48,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 186 [2024-12-01 13:19:48,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:19:48,271 INFO L225 Difference]: With dead ends: 875 [2024-12-01 13:19:48,272 INFO L226 Difference]: Without dead ends: 464 [2024-12-01 13:19:48,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:19:48,276 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 663 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:19:48,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2261 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-01 13:19:48,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-12-01 13:19:48,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2024-12-01 13:19:48,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 268 states have (on average 1.2164179104477613) internal successors, (326), 272 states have internal predecessors, (326), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2024-12-01 13:19:48,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 669 transitions. [2024-12-01 13:19:48,320 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 669 transitions. Word has length 186 [2024-12-01 13:19:48,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:19:48,321 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 669 transitions. [2024-12-01 13:19:48,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-01 13:19:48,321 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 669 transitions. [2024-12-01 13:19:48,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-01 13:19:48,325 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:19:48,325 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:19:48,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-01 13:19:48,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-01 13:19:48,526 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 13:19:48,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:19:48,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1545977719, now seen corresponding path program 1 times [2024-12-01 13:19:48,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:19:48,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355576500] [2024-12-01 13:19:48,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:48,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:19:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:19:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-12-01 13:19:54,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:19:54,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355576500] [2024-12-01 13:19:54,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355576500] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 13:19:54,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989436484] [2024-12-01 13:19:54,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:19:54,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 13:19:54,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 13:19:54,506 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 13:19:54,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-01 13:20:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:20:00,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-01 13:20:00,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 13:20:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-12-01 13:20:01,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 13:20:01,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989436484] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:20:01,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 13:20:01,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-12-01 13:20:01,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839586562] [2024-12-01 13:20:01,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:20:01,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-01 13:20:01,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:20:01,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-01 13:20:01,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-01 13:20:01,910 INFO L87 Difference]: Start difference. First operand 464 states and 669 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-12-01 13:20:06,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:20:06,377 INFO L93 Difference]: Finished difference Result 898 states and 1330 transitions. [2024-12-01 13:20:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-01 13:20:06,378 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 194 [2024-12-01 13:20:06,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:20:06,384 INFO L225 Difference]: With dead ends: 898 [2024-12-01 13:20:06,384 INFO L226 Difference]: Without dead ends: 485 [2024-12-01 13:20:06,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-12-01 13:20:06,387 INFO L435 NwaCegarLoop]: 576 mSDtfsCounter, 696 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:20:06,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 3335 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-12-01 13:20:06,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-12-01 13:20:06,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 483. [2024-12-01 13:20:06,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-12-01 13:20:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-12-01 13:20:06,429 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 194 [2024-12-01 13:20:06,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:20:06,429 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-12-01 13:20:06,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-12-01 13:20:06,430 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-12-01 13:20:06,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-01 13:20:06,433 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:20:06,434 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:20:06,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-01 13:20:06,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 13:20:06,634 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 13:20:06,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:20:06,635 INFO L85 PathProgramCache]: Analyzing trace with hash -417810820, now seen corresponding path program 1 times [2024-12-01 13:20:06,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:20:06,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413714671] [2024-12-01 13:20:06,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:20:06,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:20:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:20:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-12-01 13:20:12,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:20:12,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413714671] [2024-12-01 13:20:12,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413714671] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 13:20:12,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147073872] [2024-12-01 13:20:12,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:20:12,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 13:20:12,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 13:20:12,892 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 13:20:12,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-01 13:20:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:20:18,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 4775 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-01 13:20:18,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 13:20:19,638 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-12-01 13:20:19,638 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 13:20:19,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147073872] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:20:19,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 13:20:19,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-12-01 13:20:19,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826434122] [2024-12-01 13:20:19,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:20:19,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 13:20:19,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:20:19,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 13:20:19,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-01 13:20:19,640 INFO L87 Difference]: Start difference. First operand 483 states and 712 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-12-01 13:20:22,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:20:22,713 INFO L93 Difference]: Finished difference Result 921 states and 1389 transitions. [2024-12-01 13:20:22,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-01 13:20:22,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 209 [2024-12-01 13:20:22,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:20:22,718 INFO L225 Difference]: With dead ends: 921 [2024-12-01 13:20:22,718 INFO L226 Difference]: Without dead ends: 489 [2024-12-01 13:20:22,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-12-01 13:20:22,721 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 679 mSDsluCounter, 2198 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 2772 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:20:22,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 2772 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-01 13:20:22,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-12-01 13:20:22,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 483. [2024-12-01 13:20:22,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-12-01 13:20:22,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-12-01 13:20:22,748 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 209 [2024-12-01 13:20:22,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:20:22,748 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-12-01 13:20:22,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-12-01 13:20:22,749 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-12-01 13:20:22,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-01 13:20:22,751 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:20:22,752 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:20:22,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-01 13:20:22,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 13:20:22,952 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 13:20:22,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:20:22,953 INFO L85 PathProgramCache]: Analyzing trace with hash -774930059, now seen corresponding path program 1 times [2024-12-01 13:20:22,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:20:22,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779709577] [2024-12-01 13:20:22,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:20:22,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:20:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:20:29,093 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-12-01 13:20:29,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:20:29,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779709577] [2024-12-01 13:20:29,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779709577] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 13:20:29,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408848647] [2024-12-01 13:20:29,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:20:29,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 13:20:29,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 13:20:29,096 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 13:20:29,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-01 13:20:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:20:35,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 4842 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-01 13:20:35,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 13:20:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-12-01 13:20:37,139 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 13:20:37,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408848647] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:20:37,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 13:20:37,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-12-01 13:20:37,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148970942] [2024-12-01 13:20:37,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:20:37,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:20:37,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:20:37,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:20:37,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-12-01 13:20:37,141 INFO L87 Difference]: Start difference. First operand 483 states and 712 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-12-01 13:20:43,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:20:43,145 INFO L93 Difference]: Finished difference Result 932 states and 1394 transitions. [2024-12-01 13:20:43,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-01 13:20:43,146 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 225 [2024-12-01 13:20:43,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:20:43,156 INFO L225 Difference]: With dead ends: 932 [2024-12-01 13:20:43,157 INFO L226 Difference]: Without dead ends: 500 [2024-12-01 13:20:43,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-12-01 13:20:43,162 INFO L435 NwaCegarLoop]: 553 mSDtfsCounter, 735 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:20:43,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 3734 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-12-01 13:20:43,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-12-01 13:20:43,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 483. [2024-12-01 13:20:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-12-01 13:20:43,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-12-01 13:20:43,199 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 225 [2024-12-01 13:20:43,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:20:43,200 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-12-01 13:20:43,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-12-01 13:20:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-12-01 13:20:43,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-12-01 13:20:43,204 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:20:43,205 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:20:43,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-01 13:20:43,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 13:20:43,405 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 13:20:43,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:20:43,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1597376700, now seen corresponding path program 2 times [2024-12-01 13:20:43,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:20:43,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600766468] [2024-12-01 13:20:43,406 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-01 13:20:43,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:20:48,661 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-01 13:20:48,661 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-01 13:20:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2024-12-01 13:20:50,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:20:50,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600766468] [2024-12-01 13:20:50,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600766468] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 13:20:50,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350261635] [2024-12-01 13:20:50,761 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-01 13:20:50,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 13:20:50,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 13:20:50,764 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 13:20:50,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaf460c-4a3d-44b4-a175-eeb273df8d70/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process