./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_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/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_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:33:51,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:33:51,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 23:33:51,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:33:51,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:33:51,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:33:51,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:33:51,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:33:51,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:33:51,652 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:33:51,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:33:51,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:33:51,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:33:51,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:33:51,653 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:33:51,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:33:51,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:33:51,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:33:51,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:33:51,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:33:51,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:33:51,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:33:51,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:33:51,655 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:33:51,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:33:51,655 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:33:51,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:33:51,656 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:33:51,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:33:51,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:33:51,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:33:51,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:33:51,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:33:51,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:33:51,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:33:51,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:33:51,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:33:51,657 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:33:51,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:33:51,657 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:33:51,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:33:51,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:33:51,658 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:33:51,658 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:33:51,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:33:51,658 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_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 [2024-11-27 23:33:51,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:33:51,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:33:51,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:33:51,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:33:51,957 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:33:51,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2024-11-27 23:33:55,118 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/data/56cd6d665/be73e1611fcd4112ac877f5ef59c9244/FLAGebf441b58 [2024-11-27 23:33:55,829 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:33:55,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2024-11-27 23:33:55,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/data/56cd6d665/be73e1611fcd4112ac877f5ef59c9244/FLAGebf441b58 [2024-11-27 23:33:56,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/data/56cd6d665/be73e1611fcd4112ac877f5ef59c9244 [2024-11-27 23:33:56,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:33:56,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:33:56,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:33:56,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:33:56,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:33:56,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:33:56" (1/1) ... [2024-11-27 23:33:56,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c613236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:56, skipping insertion in model container [2024-11-27 23:33:56,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:33:56" (1/1) ... [2024-11-27 23:33:56,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:33:56,548 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_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4501,4514] [2024-11-27 23:33:56,556 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_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4561,4574] [2024-11-27 23:33:57,664 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:57,665 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:57,665 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:57,666 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:57,667 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:57,690 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:57,690 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:57,693 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:57,694 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:57,697 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:57,698 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:57,699 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:57,699 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,413 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,422 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,537 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,538 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,539 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,539 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,539 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,539 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,540 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,541 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,541 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,541 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,541 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,542 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,542 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,544 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,545 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,545 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,545 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,549 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,549 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,556 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,557 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,558 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:33:58,645 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:33:58,661 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_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4501,4514] [2024-11-27 23:33:58,666 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_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4561,4574] [2024-11-27 23:33:58,745 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,745 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,745 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,746 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,746 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,760 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,761 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,764 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,765 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,766 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,766 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,766 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,767 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,890 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,897 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2024-11-27 23:33:58,933 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,934 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,934 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,935 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,935 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,936 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,937 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,937 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,938 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,938 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,938 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,938 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,938 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,939 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,940 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,940 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,940 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,944 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,944 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,950 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,952 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,953 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:33:58,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:33:59,191 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:33:59,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59 WrapperNode [2024-11-27 23:33:59,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:33:59,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:33:59,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:33:59,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:33:59,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,396 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1176 [2024-11-27 23:33:59,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:33:59,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:33:59,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:33:59,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:33:59,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,422 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,567 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [7, 238, 2, 24, 104, 9]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 6, 2, 5, 0, 1]. The 268 writes are split as follows [1, 232, 0, 8, 26, 1]. [2024-11-27 23:33:59,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,646 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:33:59,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:33:59,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:33:59,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:33:59,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (1/1) ... [2024-11-27 23:33:59,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:33:59,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:59,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:59,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:33:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-27 23:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-27 23:33:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2024-11-27 23:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2024-11-27 23:33:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-27 23:33:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-27 23:33:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:33:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-27 23:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-27 23:33:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-27 23:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-27 23:33:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-27 23:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-27 23:33:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-27 23:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-27 23:33:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-27 23:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-27 23:33:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 23:33:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 23:33:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 23:33:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 23:33:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 23:33:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 23:33:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:33:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:33:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:33:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:33:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:33:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:33:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-27 23:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-27 23:33:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 23:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 23:33:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:33:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:33:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 23:33:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 23:33:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 23:33:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 23:33:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 23:33:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 23:33:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-27 23:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-27 23:33:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-27 23:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-27 23:33:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:33:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-27 23:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-27 23:33:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-27 23:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-27 23:33:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-27 23:33:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-27 23:33:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 23:33:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 23:33:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 23:33:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 23:33:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 23:33:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 23:33:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-27 23:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-27 23:33:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-27 23:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-27 23:33:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-27 23:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-27 23:33:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-27 23:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-27 23:33:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 23:33:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 23:33:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 23:33:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-27 23:33:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-27 23:33:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-27 23:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 23:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 23:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 23:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-27 23:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-27 23:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-27 23:33:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:33:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-27 23:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-27 23:33:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-27 23:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-27 23:33:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-27 23:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-27 23:33:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:33:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-27 23:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2024-11-27 23:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-27 23:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-27 23:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-27 23:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-27 23:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:33:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 23:33:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 23:33:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 23:33:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 23:33:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-27 23:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-27 23:33:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-11-27 23:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-11-27 23:33:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-27 23:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-27 23:33:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-27 23:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-27 23:33:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:33:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:33:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:33:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:33:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:33:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:34:00,330 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:34:00,334 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:34:07,318 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-27 23:34:07,319 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:34:07,353 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:34:07,353 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 23:34:07,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:07 BoogieIcfgContainer [2024-11-27 23:34:07,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:34:07,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:34:07,361 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:34:07,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:34:07,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:33:56" (1/3) ... [2024-11-27 23:34:07,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6ed885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:34:07, skipping insertion in model container [2024-11-27 23:34:07,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:59" (2/3) ... [2024-11-27 23:34:07,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6ed885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:34:07, skipping insertion in model container [2024-11-27 23:34:07,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:07" (3/3) ... [2024-11-27 23:34:07,375 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness_negated.i [2024-11-27 23:34:07,396 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:34:07,398 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. [2024-11-27 23:34:07,507 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:34:07,520 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;@3c33057f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:34:07,520 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-27 23:34:07,526 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) [2024-11-27 23:34:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-27 23:34:07,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:34:07,549 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] [2024-11-27 23:34:07,549 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:34:07,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:34:07,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1590182974, now seen corresponding path program 1 times [2024-11-27 23:34:07,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:34:07,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262194167] [2024-11-27 23:34:07,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:07,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:34:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-27 23:34:16,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:34:16,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262194167] [2024-11-27 23:34:16,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262194167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:34:16,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488805639] [2024-11-27 23:34:16,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:16,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:34:16,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:34:16,059 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:34:16,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:34:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:23,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 4662 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:34:23,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:34:23,395 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-27 23:34:23,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:34:23,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488805639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:34:23,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:34:23,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:34:23,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683128878] [2024-11-27 23:34:23,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:34:23,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:34:23,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:34:23,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:34:23,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:34:23,435 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) [2024-11-27 23:34:23,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:34:23,552 INFO L93 Difference]: Finished difference Result 1076 states and 1680 transitions. [2024-11-27 23:34:23,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:34:23,554 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 [2024-11-27 23:34:23,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:34:23,570 INFO L225 Difference]: With dead ends: 1076 [2024-11-27 23:34:23,570 INFO L226 Difference]: Without dead ends: 545 [2024-11-27 23:34:23,582 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 [2024-11-27 23:34:23,586 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 [2024-11-27 23:34:23,587 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] [2024-11-27 23:34:23,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-27 23:34:23,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2024-11-27 23:34:23,686 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) [2024-11-27 23:34:23,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 775 transitions. [2024-11-27 23:34:23,714 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 775 transitions. Word has length 192 [2024-11-27 23:34:23,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:34:23,718 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 775 transitions. [2024-11-27 23:34:23,719 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) [2024-11-27 23:34:23,719 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 775 transitions. [2024-11-27 23:34:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-27 23:34:23,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:34:23,728 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] [2024-11-27 23:34:23,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:34:23,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:34:23,929 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:34:23,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:34:23,930 INFO L85 PathProgramCache]: Analyzing trace with hash 783198340, now seen corresponding path program 1 times [2024-11-27 23:34:23,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:34:23,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345471034] [2024-11-27 23:34:23,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:23,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:34:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-27 23:34:31,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:34:31,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345471034] [2024-11-27 23:34:31,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345471034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:34:31,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185181469] [2024-11-27 23:34:31,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:31,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:34:31,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:34:31,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:34:31,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:34:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:37,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 4662 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:34:38,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:34:38,781 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-27 23:34:38,781 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:34:38,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185181469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:34:38,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:34:38,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-27 23:34:38,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942493460] [2024-11-27 23:34:38,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:34:38,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:34:38,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:34:38,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:34:38,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:34:38,785 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) [2024-11-27 23:34:40,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:34:40,758 INFO L93 Difference]: Finished difference Result 1044 states and 1496 transitions. [2024-11-27 23:34:40,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:34:40,759 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 [2024-11-27 23:34:40,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:34:40,773 INFO L225 Difference]: With dead ends: 1044 [2024-11-27 23:34:40,773 INFO L226 Difference]: Without dead ends: 547 [2024-11-27 23:34:40,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:34:40,778 INFO L435 NwaCegarLoop]: 726 mSDtfsCounter, 763 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:34:40,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 2872 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-27 23:34:40,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-11-27 23:34:40,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2024-11-27 23:34:40,837 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) [2024-11-27 23:34:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 784 transitions. [2024-11-27 23:34:40,845 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 784 transitions. Word has length 192 [2024-11-27 23:34:40,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:34:40,846 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 784 transitions. [2024-11-27 23:34:40,846 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) [2024-11-27 23:34:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 784 transitions. [2024-11-27 23:34:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-27 23:34:40,855 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:34:40,856 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] [2024-11-27 23:34:40,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:34:41,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-27 23:34:41,056 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:34:41,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:34:41,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1731214896, now seen corresponding path program 1 times [2024-11-27 23:34:41,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:34:41,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550153636] [2024-11-27 23:34:41,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:41,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:34:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:48,776 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-27 23:34:48,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:34:48,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550153636] [2024-11-27 23:34:48,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550153636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:34:48,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528429243] [2024-11-27 23:34:48,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:48,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:34:48,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:34:48,779 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:34:48,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:34:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:55,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 4712 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:34:55,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:34:57,029 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-27 23:34:57,030 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:34:57,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528429243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:34:57,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:34:57,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-27 23:34:57,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528439472] [2024-11-27 23:34:57,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:34:57,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:34:57,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:34:57,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:34:57,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:34:57,033 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) [2024-11-27 23:35:00,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:35:00,252 INFO L93 Difference]: Finished difference Result 1067 states and 1572 transitions. [2024-11-27 23:35:00,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:35:00,253 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 [2024-11-27 23:35:00,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:35:00,266 INFO L225 Difference]: With dead ends: 1067 [2024-11-27 23:35:00,266 INFO L226 Difference]: Without dead ends: 568 [2024-11-27 23:35:00,270 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 [2024-11-27 23:35:00,271 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 [2024-11-27 23:35:00,272 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] [2024-11-27 23:35:00,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-11-27 23:35:00,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 566. [2024-11-27 23:35:00,328 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) [2024-11-27 23:35:00,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2024-11-27 23:35:00,334 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 200 [2024-11-27 23:35:00,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:35:00,336 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2024-11-27 23:35:00,336 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) [2024-11-27 23:35:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2024-11-27 23:35:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-27 23:35:00,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:35:00,344 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] [2024-11-27 23:35:00,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 23:35:00,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:35:00,545 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:35:00,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:35:00,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1828542362, now seen corresponding path program 1 times [2024-11-27 23:35:00,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:35:00,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244551672] [2024-11-27 23:35:00,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:35:00,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:35:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:35:07,316 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-27 23:35:07,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:35:07,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244551672] [2024-11-27 23:35:07,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244551672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:35:07,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721074727] [2024-11-27 23:35:07,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:35:07,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:35:07,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:35:07,322 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:35:07,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:35:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:35:14,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 4839 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:35:14,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:35:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-27 23:35:15,128 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:35:15,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721074727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:35:15,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:35:15,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-27 23:35:15,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768890898] [2024-11-27 23:35:15,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:35:15,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:35:15,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:35:15,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:35:15,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:35:15,131 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) [2024-11-27 23:35:17,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:35:17,721 INFO L93 Difference]: Finished difference Result 1090 states and 1641 transitions. [2024-11-27 23:35:17,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:35:17,722 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 [2024-11-27 23:35:17,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:35:17,729 INFO L225 Difference]: With dead ends: 1090 [2024-11-27 23:35:17,729 INFO L226 Difference]: Without dead ends: 572 [2024-11-27 23:35:17,733 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 [2024-11-27 23:35:17,734 INFO L435 NwaCegarLoop]: 718 mSDtfsCounter, 779 mSDsluCounter, 2814 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:35:17,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 3532 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-27 23:35:17,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-27 23:35:17,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2024-11-27 23:35:17,771 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) [2024-11-27 23:35:17,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2024-11-27 23:35:17,777 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 215 [2024-11-27 23:35:17,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:35:17,778 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2024-11-27 23:35:17,778 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) [2024-11-27 23:35:17,779 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2024-11-27 23:35:17,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-27 23:35:17,782 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:35:17,783 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] [2024-11-27 23:35:17,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 23:35:17,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:35:17,983 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:35:17,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:35:17,984 INFO L85 PathProgramCache]: Analyzing trace with hash -497043457, now seen corresponding path program 1 times [2024-11-27 23:35:17,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:35:17,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386550619] [2024-11-27 23:35:17,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:35:17,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:35:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:35:25,126 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-27 23:35:25,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:35:25,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386550619] [2024-11-27 23:35:25,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386550619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:35:25,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688950869] [2024-11-27 23:35:25,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:35:25,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:35:25,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:35:25,131 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:35:25,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 23:35:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:35:32,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 4911 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:35:32,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:35:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-27 23:35:33,506 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:35:33,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688950869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:35:33,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:35:33,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-27 23:35:33,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666382551] [2024-11-27 23:35:33,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:35:33,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:35:33,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:35:33,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:35:33,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:35:33,508 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) [2024-11-27 23:35:37,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:35:37,808 INFO L93 Difference]: Finished difference Result 1117 states and 1680 transitions. [2024-11-27 23:35:37,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:35:37,809 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 [2024-11-27 23:35:37,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:35:37,816 INFO L225 Difference]: With dead ends: 1117 [2024-11-27 23:35:37,816 INFO L226 Difference]: Without dead ends: 599 [2024-11-27 23:35:37,820 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 [2024-11-27 23:35:37,821 INFO L435 NwaCegarLoop]: 720 mSDtfsCounter, 57 mSDsluCounter, 4169 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:35:37,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 4889 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-27 23:35:37,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-27 23:35:37,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 566. [2024-11-27 23:35:37,854 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) [2024-11-27 23:35:37,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2024-11-27 23:35:37,861 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 231 [2024-11-27 23:35:37,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:35:37,861 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2024-11-27 23:35:37,862 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) [2024-11-27 23:35:37,862 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2024-11-27 23:35:37,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-11-27 23:35:37,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:35:37,865 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] [2024-11-27 23:35:37,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 23:35:38,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:35:38,066 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:35:38,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:35:38,067 INFO L85 PathProgramCache]: Analyzing trace with hash 688674615, now seen corresponding path program 2 times [2024-11-27 23:35:38,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:35:38,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335320799] [2024-11-27 23:35:38,067 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:35:38,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:35:43,569 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 23:35:43,569 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:35:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-27 23:35:46,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:35:46,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335320799] [2024-11-27 23:35:46,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335320799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:35:46,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:35:46,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:35:46,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205104277] [2024-11-27 23:35:46,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:35:46,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:35:46,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:35:46,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:35:46,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:35:46,496 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) [2024-11-27 23:35:47,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:35:47,160 INFO L93 Difference]: Finished difference Result 574 states and 850 transitions. [2024-11-27 23:35:47,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:35:47,161 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 [2024-11-27 23:35:47,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:35:47,168 INFO L225 Difference]: With dead ends: 574 [2024-11-27 23:35:47,169 INFO L226 Difference]: Without dead ends: 572 [2024-11-27 23:35:47,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:35:47,171 INFO L435 NwaCegarLoop]: 772 mSDtfsCounter, 3 mSDsluCounter, 3051 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:35:47,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3823 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:35:47,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-27 23:35:47,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 571. [2024-11-27 23:35:47,212 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) [2024-11-27 23:35:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 847 transitions. [2024-11-27 23:35:47,220 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 847 transitions. Word has length 246 [2024-11-27 23:35:47,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:35:47,221 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 847 transitions. [2024-11-27 23:35:47,222 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) [2024-11-27 23:35:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 847 transitions. [2024-11-27 23:35:47,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-27 23:35:47,226 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:35:47,227 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] [2024-11-27 23:35:47,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:35:47,227 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:35:47,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:35:47,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1457507295, now seen corresponding path program 3 times [2024-11-27 23:35:47,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:35:47,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710737662] [2024-11-27 23:35:47,228 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:35:47,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:35:54,745 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 23:35:54,745 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:35:57,040 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-27 23:35:57,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:35:57,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710737662] [2024-11-27 23:35:57,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710737662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:35:57,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513502458] [2024-11-27 23:35:57,041 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:35:57,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:35:57,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:35:57,044 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:35:57,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86fccbb-4ab0-4a4b-a9d1-2a511644d172/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process