./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/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_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/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_7a284e27-3247-4e7f-99ef-81ad8eea94e5/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 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:57:55,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:57:55,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 07:57:55,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:57:55,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:57:55,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:57:55,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:57:55,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:57:55,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:57:55,580 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:57:55,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:57:55,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:57:55,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:57:55,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:57:55,581 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:57:55,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:57:55,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:57:55,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:57:55,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:57:55,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:57:55,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:57:55,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:57:55,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:57:55,582 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:57:55,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:57:55,583 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:57:55,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:57:55,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:57:55,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:57:55,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:57:55,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:57:55,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:57:55,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:57:55,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:57:55,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:57:55,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:57:55,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:57:55,584 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:57:55,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:57:55,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:57:55,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:57:55,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:57:55,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:57:55,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:57:55,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:57:55,585 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_7a284e27-3247-4e7f-99ef-81ad8eea94e5/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 -> 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 [2024-12-02 07:57:55,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:57:55,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:57:55,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:57:55,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:57:55,882 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:57:55,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2024-12-02 07:57:58,819 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/data/029298747/5d1ffd7aa644466fa2f442f8a443ff7d/FLAG728f2255f [2024-12-02 07:57:59,277 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:57:59,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2024-12-02 07:57:59,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/data/029298747/5d1ffd7aa644466fa2f442f8a443ff7d/FLAG728f2255f [2024-12-02 07:57:59,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/data/029298747/5d1ffd7aa644466fa2f442f8a443ff7d [2024-12-02 07:57:59,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:57:59,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:57:59,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:57:59,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:57:59,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:57:59,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:57:59" (1/1) ... [2024-12-02 07:57:59,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e099df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:57:59, skipping insertion in model container [2024-12-02 07:57:59,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:57:59" (1/1) ... [2024-12-02 07:57:59,440 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:57:59,689 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_7a284e27-3247-4e7f-99ef-81ad8eea94e5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4501,4514] [2024-12-02 07:57:59,695 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_7a284e27-3247-4e7f-99ef-81ad8eea94e5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4561,4574] [2024-12-02 07:58:00,545 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:00,546 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:00,547 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:00,548 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:00,549 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:00,567 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:00,567 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:00,569 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:00,570 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:00,571 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:00,572 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:00,573 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:00,573 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,280 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,287 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,364 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,365 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,365 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,365 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,365 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,366 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,366 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,367 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,367 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,368 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,368 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,368 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,368 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,372 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,373 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,373 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,373 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,378 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,379 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,388 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,388 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,389 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:58:01,463 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:58:01,479 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_7a284e27-3247-4e7f-99ef-81ad8eea94e5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4501,4514] [2024-12-02 07:58:01,479 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_7a284e27-3247-4e7f-99ef-81ad8eea94e5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4561,4574] [2024-12-02 07:58:01,531 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,532 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,532 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,533 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,533 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,542 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,543 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,544 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,544 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,546 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,546 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,547 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,547 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,652 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,658 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2024-12-02 07:58:01,684 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,684 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,684 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,685 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,685 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,685 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,686 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,686 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,686 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,686 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,687 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,687 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,687 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,688 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,688 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,688 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,688 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,691 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,691 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,698 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,698 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,699 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 07:58:01,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:58:01,910 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:58:01,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01 WrapperNode [2024-12-02 07:58:01,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:58:01,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:58:01,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:58:01,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:58:01,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:01,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:02,049 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1176 [2024-12-02 07:58:02,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:58:02,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:58:02,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:58:02,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:58:02,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:02,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:02,069 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:02,187 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [104, 2, 238, 24, 9, 7]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [0, 2, 6, 5, 1, 2]. The 268 writes are split as follows [26, 0, 232, 8, 1, 1]. [2024-12-02 07:58:02,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:02,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:02,232 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:02,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:02,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:02,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:02,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:02,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:58:02,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:58:02,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:58:02,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:58:02,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (1/1) ... [2024-12-02 07:58:02,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:58:02,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:58:02,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:58:02,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:58:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-12-02 07:58:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-12-02 07:58:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2024-12-02 07:58:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2024-12-02 07:58:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-12-02 07:58:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-12-02 07:58:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 07:58:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-12-02 07:58:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-12-02 07:58:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-12-02 07:58:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-12-02 07:58:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-12-02 07:58:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-12-02 07:58:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-12-02 07:58:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-12-02 07:58:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-12-02 07:58:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-12-02 07:58:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 07:58:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 07:58:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-12-02 07:58:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-02 07:58:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 07:58:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:58:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 07:58:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 07:58:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 07:58:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 07:58:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 07:58:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 07:58:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-12-02 07:58:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-12-02 07:58:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-12-02 07:58:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-12-02 07:58:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:58:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:58:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-12-02 07:58:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-12-02 07:58:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-12-02 07:58:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-12-02 07:58:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-12-02 07:58:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-12-02 07:58:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 07:58:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 07:58:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 07:58:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 07:58:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 07:58:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 07:58:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-12-02 07:58:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-12-02 07:58:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-12-02 07:58:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-12-02 07:58:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-12-02 07:58:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-12-02 07:58:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-12-02 07:58:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-12-02 07:58:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 07:58:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 07:58:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 07:58:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 07:58:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 07:58:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 07:58:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 07:58:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 07:58:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 07:58:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 07:58:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 07:58:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 07:58:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:58:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:58:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-12-02 07:58:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-12-02 07:58:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-12-02 07:58:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-12-02 07:58:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 07:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 07:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 07:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 07:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 07:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2024-12-02 07:58:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2024-12-02 07:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-12-02 07:58:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-12-02 07:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-12-02 07:58:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-12-02 07:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-12-02 07:58:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-12-02 07:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-12-02 07:58:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-12-02 07:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 07:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 07:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-12-02 07:58:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-12-02 07:58:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-12-02 07:58:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 07:58:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 07:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 07:58:02,740 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:58:02,742 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:58:09,539 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-12-02 07:58:09,539 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:58:09,563 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:58:09,563 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 07:58:09,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:58:09 BoogieIcfgContainer [2024-12-02 07:58:09,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:58:09,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:58:09,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:58:09,571 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:58:09,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:57:59" (1/3) ... [2024-12-02 07:58:09,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35877c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:58:09, skipping insertion in model container [2024-12-02 07:58:09,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:58:01" (2/3) ... [2024-12-02 07:58:09,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35877c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:58:09, skipping insertion in model container [2024-12-02 07:58:09,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:58:09" (3/3) ... [2024-12-02 07:58:09,574 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness_negated.i [2024-12-02 07:58:09,592 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:58:09,594 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_ref_harness_negated.i that has 40 procedures, 568 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2024-12-02 07:58:09,672 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:58:09,685 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;@7f5e1e54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:58:09,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 07:58:09,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 552 states, 316 states have (on average 1.240506329113924) internal successors, (392), 319 states have internal predecessors, (392), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) [2024-12-02 07:58:09,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 07:58:09,707 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:58:09,708 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:58:09,709 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:58:09,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:58:09,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1590182974, now seen corresponding path program 1 times [2024-12-02 07:58:09,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:58:09,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471464214] [2024-12-02 07:58:09,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:58:09,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:58:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:58:16,637 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-12-02 07:58:16,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:58:16,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471464214] [2024-12-02 07:58:16,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471464214] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:58:16,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867567259] [2024-12-02 07:58:16,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:58:16,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:58:16,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:58:16,641 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:58:16,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 07:58:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:58:22,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 4662 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:58:22,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:58:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-12-02 07:58:22,917 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:58:22,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867567259] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:58:22,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:58:22,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 07:58:22,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400721592] [2024-12-02 07:58:22,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:58:22,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:58:22,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:58:22,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:58:22,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:58:22,953 INFO L87 Difference]: Start difference. First operand has 552 states, 316 states have (on average 1.240506329113924) internal successors, (392), 319 states have internal predecessors, (392), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 07:58:23,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:58:23,041 INFO L93 Difference]: Finished difference Result 1076 states and 1680 transitions. [2024-12-02 07:58:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:58:23,043 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 192 [2024-12-02 07:58:23,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:58:23,057 INFO L225 Difference]: With dead ends: 1076 [2024-12-02 07:58:23,057 INFO L226 Difference]: Without dead ends: 545 [2024-12-02 07:58:23,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:58:23,066 INFO L435 NwaCegarLoop]: 780 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, 780 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 [2024-12-02 07:58:23,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:58:23,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-12-02 07:58:23,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2024-12-02 07:58:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 310 states have (on average 1.2225806451612904) internal successors, (379), 312 states have internal predecessors, (379), 199 states have call successors, (199), 35 states have call predecessors, (199), 34 states have return successors, (197), 197 states have call predecessors, (197), 197 states have call successors, (197) [2024-12-02 07:58:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 775 transitions. [2024-12-02 07:58:23,167 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 775 transitions. Word has length 192 [2024-12-02 07:58:23,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:58:23,169 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 775 transitions. [2024-12-02 07:58:23,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 07:58:23,169 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 775 transitions. [2024-12-02 07:58:23,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 07:58:23,175 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:58:23,175 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:58:23,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 07:58:23,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:58:23,376 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:58:23,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:58:23,377 INFO L85 PathProgramCache]: Analyzing trace with hash 783198340, now seen corresponding path program 1 times [2024-12-02 07:58:23,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:58:23,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964519030] [2024-12-02 07:58:23,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:58:23,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:58:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:58:29,759 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-12-02 07:58:29,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:58:29,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964519030] [2024-12-02 07:58:29,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964519030] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:58:29,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966302234] [2024-12-02 07:58:29,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:58:29,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:58:29,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:58:29,762 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:58:29,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 07:58:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:58:35,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 4662 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 07:58:35,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:58:36,548 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-12-02 07:58:36,548 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:58:36,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966302234] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:58:36,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:58:36,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-12-02 07:58:36,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021909423] [2024-12-02 07:58:36,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:58:36,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:58:36,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:58:36,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:58:36,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:58:36,551 INFO L87 Difference]: Start difference. First operand 545 states and 775 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, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 07:58:38,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:58:38,348 INFO L93 Difference]: Finished difference Result 1044 states and 1496 transitions. [2024-12-02 07:58:38,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:58:38,349 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, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 192 [2024-12-02 07:58:38,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:58:38,359 INFO L225 Difference]: With dead ends: 1044 [2024-12-02 07:58:38,360 INFO L226 Difference]: Without dead ends: 547 [2024-12-02 07:58:38,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:58:38,364 INFO L435 NwaCegarLoop]: 726 mSDtfsCounter, 763 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:58:38,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 2872 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 07:58:38,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-12-02 07:58:38,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2024-12-02 07:58:38,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 314 states have internal predecessors, (380), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (205), 197 states have call predecessors, (205), 197 states have call successors, (205) [2024-12-02 07:58:38,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 784 transitions. [2024-12-02 07:58:38,421 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 784 transitions. Word has length 192 [2024-12-02 07:58:38,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:58:38,422 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 784 transitions. [2024-12-02 07:58:38,422 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, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 07:58:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 784 transitions. [2024-12-02 07:58:38,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-12-02 07:58:38,427 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:58:38,428 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:58:38,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 07:58:38,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-02 07:58:38,628 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:58:38,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:58:38,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1731214896, now seen corresponding path program 1 times [2024-12-02 07:58:38,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:58:38,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810696502] [2024-12-02 07:58:38,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:58:38,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:58:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:58:45,300 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-12-02 07:58:45,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:58:45,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810696502] [2024-12-02 07:58:45,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810696502] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:58:45,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216405278] [2024-12-02 07:58:45,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:58:45,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:58:45,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:58:45,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:58:45,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 07:58:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:58:51,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 4712 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:58:51,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:58:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-12-02 07:58:52,392 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:58:52,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216405278] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:58:52,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:58:52,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-12-02 07:58:52,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576998945] [2024-12-02 07:58:52,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:58:52,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:58:52,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:58:52,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:58:52,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:58:52,395 INFO L87 Difference]: Start difference. First operand 547 states and 784 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-12-02 07:58:55,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:58:55,558 INFO L93 Difference]: Finished difference Result 1067 states and 1572 transitions. [2024-12-02 07:58:55,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:58:55,559 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 200 [2024-12-02 07:58:55,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:58:55,566 INFO L225 Difference]: With dead ends: 1067 [2024-12-02 07:58:55,567 INFO L226 Difference]: Without dead ends: 568 [2024-12-02 07:58:55,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-12-02 07:58:55,570 INFO L435 NwaCegarLoop]: 726 mSDtfsCounter, 35 mSDsluCounter, 3506 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 4232 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:58:55,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 4232 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-12-02 07:58:55,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-12-02 07:58:55,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 566. [2024-12-02 07:58:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 327 states have (on average 1.2293577981651376) internal successors, (402), 330 states have internal predecessors, (402), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2024-12-02 07:58:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2024-12-02 07:58:55,608 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 200 [2024-12-02 07:58:55,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:58:55,609 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2024-12-02 07:58:55,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-12-02 07:58:55,609 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2024-12-02 07:58:55,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-12-02 07:58:55,613 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:58:55,613 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] [2024-12-02 07:58:55,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 07:58:55,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:58:55,814 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:58:55,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:58:55,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1828542362, now seen corresponding path program 1 times [2024-12-02 07:58:55,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:58:55,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878527389] [2024-12-02 07:58:55,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:58:55,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:59:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:59:01,720 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-12-02 07:59:01,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:59:01,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878527389] [2024-12-02 07:59:01,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878527389] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:59:01,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192749543] [2024-12-02 07:59:01,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:59:01,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:59:01,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:59:01,723 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:59:01,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 07:59:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:59:07,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 4839 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 07:59:07,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:59:08,929 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-12-02 07:59:08,929 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:59:08,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192749543] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:59:08,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:59:08,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-12-02 07:59:08,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338106309] [2024-12-02 07:59:08,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:59:08,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:59:08,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:59:08,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:59:08,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:59:08,932 INFO L87 Difference]: Start difference. First operand 566 states and 842 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, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-12-02 07:59:11,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:59:11,432 INFO L93 Difference]: Finished difference Result 1090 states and 1641 transitions. [2024-12-02 07:59:11,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:59:11,433 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, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 215 [2024-12-02 07:59:11,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:59:11,438 INFO L225 Difference]: With dead ends: 1090 [2024-12-02 07:59:11,438 INFO L226 Difference]: Without dead ends: 572 [2024-12-02 07:59:11,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-12-02 07:59:11,442 INFO L435 NwaCegarLoop]: 718 mSDtfsCounter, 779 mSDsluCounter, 2814 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 3532 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:59:11,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 3532 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 07:59:11,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-12-02 07:59:11,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2024-12-02 07:59:11,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 327 states have (on average 1.2293577981651376) internal successors, (402), 330 states have internal predecessors, (402), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2024-12-02 07:59:11,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2024-12-02 07:59:11,482 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 215 [2024-12-02 07:59:11,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:59:11,483 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2024-12-02 07:59:11,483 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, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-12-02 07:59:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2024-12-02 07:59:11,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-12-02 07:59:11,486 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:59:11,486 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:59:11,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 07:59:11,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:59:11,687 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:59:11,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:59:11,687 INFO L85 PathProgramCache]: Analyzing trace with hash -497043457, now seen corresponding path program 1 times [2024-12-02 07:59:11,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:59:11,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714271345] [2024-12-02 07:59:11,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:59:11,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:59:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:59:17,735 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-12-02 07:59:17,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:59:17,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714271345] [2024-12-02 07:59:17,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714271345] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:59:17,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664814711] [2024-12-02 07:59:17,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:59:17,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:59:17,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:59:17,738 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:59:17,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 07:59:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:59:24,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 4911 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 07:59:24,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:59:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-12-02 07:59:25,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:59:25,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664814711] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:59:25,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:59:25,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-12-02 07:59:25,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583140350] [2024-12-02 07:59:25,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:59:25,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 07:59:25,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:59:25,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 07:59:25,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-12-02 07:59:25,633 INFO L87 Difference]: Start difference. First operand 566 states and 842 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2024-12-02 07:59:29,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:59:29,681 INFO L93 Difference]: Finished difference Result 1117 states and 1680 transitions. [2024-12-02 07:59:29,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 07:59:29,682 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) Word has length 231 [2024-12-02 07:59:29,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:59:29,689 INFO L225 Difference]: With dead ends: 1117 [2024-12-02 07:59:29,690 INFO L226 Difference]: Without dead ends: 599 [2024-12-02 07:59:29,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-12-02 07:59:29,694 INFO L435 NwaCegarLoop]: 720 mSDtfsCounter, 57 mSDsluCounter, 4169 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 4889 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:59:29,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 4889 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-12-02 07:59:29,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-12-02 07:59:29,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 566. [2024-12-02 07:59:29,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 327 states have (on average 1.2293577981651376) internal successors, (402), 330 states have internal predecessors, (402), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2024-12-02 07:59:29,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2024-12-02 07:59:29,737 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 231 [2024-12-02 07:59:29,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:59:29,740 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2024-12-02 07:59:29,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2024-12-02 07:59:29,740 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2024-12-02 07:59:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-12-02 07:59:29,745 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:59:29,745 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:59:29,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 07:59:29,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:59:29,946 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:59:29,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:59:29,946 INFO L85 PathProgramCache]: Analyzing trace with hash 688674615, now seen corresponding path program 2 times [2024-12-02 07:59:29,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:59:29,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388322181] [2024-12-02 07:59:29,947 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 07:59:29,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:59:34,998 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 07:59:34,998 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 07:59:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-12-02 07:59:37,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:59:37,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388322181] [2024-12-02 07:59:37,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388322181] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:59:37,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:59:37,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 07:59:37,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90066342] [2024-12-02 07:59:37,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:59:37,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:59:37,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:59:37,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:59:37,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:59:37,232 INFO L87 Difference]: Start difference. First operand 566 states and 842 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 07:59:37,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:59:37,723 INFO L93 Difference]: Finished difference Result 574 states and 850 transitions. [2024-12-02 07:59:37,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:59:37,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 246 [2024-12-02 07:59:37,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:59:37,731 INFO L225 Difference]: With dead ends: 574 [2024-12-02 07:59:37,731 INFO L226 Difference]: Without dead ends: 572 [2024-12-02 07:59:37,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:59:37,733 INFO L435 NwaCegarLoop]: 772 mSDtfsCounter, 3 mSDsluCounter, 3051 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3823 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:59:37,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3823 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 07:59:37,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-12-02 07:59:37,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 571. [2024-12-02 07:59:37,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 330 states have (on average 1.2272727272727273) internal successors, (405), 333 states have internal predecessors, (405), 202 states have call successors, (202), 36 states have call predecessors, (202), 37 states have return successors, (240), 201 states have call predecessors, (240), 200 states have call successors, (240) [2024-12-02 07:59:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 847 transitions. [2024-12-02 07:59:37,777 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 847 transitions. Word has length 246 [2024-12-02 07:59:37,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:59:37,777 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 847 transitions. [2024-12-02 07:59:37,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 07:59:37,778 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 847 transitions. [2024-12-02 07:59:37,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-12-02 07:59:37,780 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:59:37,781 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:59:37,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:59:37,781 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:59:37,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:59:37,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1457507295, now seen corresponding path program 3 times [2024-12-02 07:59:37,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:59:37,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361611745] [2024-12-02 07:59:37,782 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 07:59:37,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:59:44,431 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-02 07:59:44,431 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 07:59:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-12-02 07:59:46,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:59:46,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361611745] [2024-12-02 07:59:46,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361611745] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:59:46,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130396549] [2024-12-02 07:59:46,781 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 07:59:46,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:59:46,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:59:46,784 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:59:46,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a284e27-3247-4e7f-99ef-81ad8eea94e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process