./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_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_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/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_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/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_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/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 fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:48:40,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:48:40,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:48:40,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:48:40,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:48:40,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:48:40,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:48:40,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:48:40,369 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:48:40,369 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:48:40,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:48:40,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:48:40,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:48:40,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:48:40,371 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:48:40,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:48:40,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:48:40,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:48:40,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:48:40,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:48:40,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:48:40,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:48:40,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:48:40,373 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:48:40,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:48:40,373 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:48:40,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:48:40,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:48:40,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:48:40,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:40,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:48:40,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:48:40,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:48:40,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:48:40,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:40,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:48:40,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:48:40,376 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:48:40,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:48:40,376 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:48:40,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:48:40,376 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:48:40,376 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:48:40,376 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:48:40,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:48:40,376 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_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/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 -> fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee [2024-11-28 03:48:40,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:48:40,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:48:40,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:48:40,747 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:48:40,748 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:48:40,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2024-11-28 03:48:43,913 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/data/3e1970173/bbdaebc1ae2a4c46800c134ac7d6e146/FLAG6f813ed89 [2024-11-28 03:48:44,530 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:48:44,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2024-11-28 03:48:44,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/data/3e1970173/bbdaebc1ae2a4c46800c134ac7d6e146/FLAG6f813ed89 [2024-11-28 03:48:44,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/data/3e1970173/bbdaebc1ae2a4c46800c134ac7d6e146 [2024-11-28 03:48:44,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:48:44,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:48:44,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:48:44,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:48:44,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:48:44,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:48:44" (1/1) ... [2024-11-28 03:48:44,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dcd00a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:44, skipping insertion in model container [2024-11-28 03:48:44,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:48:44" (1/1) ... [2024-11-28 03:48:44,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:48:45,069 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_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4499,4512] [2024-11-28 03:48:45,077 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_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4559,4572] [2024-11-28 03:48:46,201 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:46,202 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:46,203 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:46,204 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:46,206 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:46,226 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:46,227 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:46,230 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:46,231 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:46,234 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:46,235 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:46,236 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:46,237 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,114 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,127 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,272 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,272 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,273 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,273 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,273 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,274 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,275 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,275 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,276 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,276 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,276 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,277 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,277 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,285 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,286 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,286 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,286 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,293 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,294 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,303 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,304 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,305 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,372 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,372 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,373 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:48:47,419 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:48:47,435 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_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4499,4512] [2024-11-28 03:48:47,436 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_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4559,4572] [2024-11-28 03:48:47,517 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,518 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,519 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,520 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,520 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,535 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,535 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,537 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,537 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,539 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,540 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,540 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,541 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,641 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,647 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2024-11-28 03:48:47,683 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,686 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,686 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,687 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,687 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,687 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,688 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,688 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,689 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,689 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,689 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,689 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,689 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,690 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,691 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,691 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,691 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,697 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,698 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,705 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,708 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,708 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,721 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,723 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,723 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:48:47,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:48:47,955 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:48:47,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47 WrapperNode [2024-11-28 03:48:47,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:48:47,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:48:47,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:48:47,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:48:47,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,149 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1086 [2024-11-28 03:48:48,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:48:48,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:48:48,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:48:48,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:48:48,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,337 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 13, 3, 97, 264, 17]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 11, 1, 0, 12, 4]. The 262 writes are split as follows [0, 0, 1, 18, 240, 3]. [2024-11-28 03:48:48,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,427 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:48:48,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:48:48,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:48:48,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:48:48,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (1/1) ... [2024-11-28 03:48:48,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:48,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:48,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:48:48,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:48:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-28 03:48:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-28 03:48:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-28 03:48:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-28 03:48:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:48:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-28 03:48:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-28 03:48:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-28 03:48:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-28 03:48:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-28 03:48:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-28 03:48:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-28 03:48:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-28 03:48:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:48:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:48:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:48:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:48:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:48:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:48:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:48:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:48:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:48:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:48:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:48:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:48:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-28 03:48:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-28 03:48:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 03:48:48,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 03:48:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-28 03:48:48,569 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-28 03:48:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:48:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:48:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:48:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:48:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:48:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:48:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:48:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:48:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-28 03:48:48,570 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-28 03:48:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-28 03:48:48,570 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-28 03:48:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:48:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:48:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-28 03:48:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-28 03:48:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-28 03:48:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-28 03:48:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-28 03:48:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-28 03:48:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:48:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:48:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-28 03:48:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-28 03:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-28 03:48:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-28 03:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-28 03:48:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-28 03:48:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 03:48:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 03:48:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 03:48:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 03:48:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 03:48:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 03:48:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 03:48:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 03:48:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 03:48:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 03:48:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 03:48:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 03:48:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:48:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:48:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-28 03:48:48,575 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-28 03:48:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-28 03:48:48,575 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-28 03:48:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:48:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:48:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:48:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:48:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:48:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:48:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:48:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:48:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:48:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:48:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 03:48:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 03:48:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 03:48:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-28 03:48:48,577 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-28 03:48:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-28 03:48:48,577 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-28 03:48:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-28 03:48:48,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-28 03:48:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:48:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:48:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:48:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:48:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:48:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:48:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-28 03:48:48,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-28 03:48:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-28 03:48:48,578 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-28 03:48:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 03:48:48,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 03:48:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:48:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:48:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:48:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:48:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:48:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:48:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-28 03:48:48,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-28 03:48:49,115 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:48:49,121 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:48:56,464 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-11-28 03:48:56,465 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:48:56,504 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:48:56,504 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-28 03:48:56,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:48:56 BoogieIcfgContainer [2024-11-28 03:48:56,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:48:56,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:48:56,511 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:48:56,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:48:56,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:48:44" (1/3) ... [2024-11-28 03:48:56,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ede0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:48:56, skipping insertion in model container [2024-11-28 03:48:56,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:47" (2/3) ... [2024-11-28 03:48:56,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ede0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:48:56, skipping insertion in model container [2024-11-28 03:48:56,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:48:56" (3/3) ... [2024-11-28 03:48:56,520 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness_negated.i [2024-11-28 03:48:56,543 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:48:56,545 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_remove_harness_negated.i that has 34 procedures, 489 locations, 1 initial locations, 12 loop locations, and 2 error locations. [2024-11-28 03:48:56,652 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:48:56,672 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;@b459816, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:48:56,673 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 03:48:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 469 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 277 states have internal predecessors, (341), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-28 03:48:56,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-28 03:48:56,704 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:56,705 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:56,706 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:48:56,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:56,714 INFO L85 PathProgramCache]: Analyzing trace with hash -409605288, now seen corresponding path program 1 times [2024-11-28 03:48:56,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:56,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66281780] [2024-11-28 03:48:56,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:56,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-28 03:49:04,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:04,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66281780] [2024-11-28 03:49:04,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66281780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:49:04,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333044882] [2024-11-28 03:49:04,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:04,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:04,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:49:04,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:49:04,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:49:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:12,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 4523 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:49:12,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:49:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-28 03:49:12,540 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:49:12,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333044882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:12,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:49:12,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:49:12,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703034956] [2024-11-28 03:49:12,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:12,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:49:12,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:12,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:49:12,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:49:12,582 INFO L87 Difference]: Start difference. First operand has 469 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 277 states have internal predecessors, (341), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 03:49:12,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:12,733 INFO L93 Difference]: Finished difference Result 910 states and 1440 transitions. [2024-11-28 03:49:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:49:12,737 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2024-11-28 03:49:12,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:12,754 INFO L225 Difference]: With dead ends: 910 [2024-11-28 03:49:12,754 INFO L226 Difference]: Without dead ends: 462 [2024-11-28 03:49:12,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:49:12,771 INFO L435 NwaCegarLoop]: 660 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:12,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:49:12,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-28 03:49:12,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2024-11-28 03:49:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 267 states have (on average 1.2172284644194757) internal successors, (325), 270 states have internal predecessors, (325), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-28 03:49:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 655 transitions. [2024-11-28 03:49:12,915 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 655 transitions. Word has length 171 [2024-11-28 03:49:12,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:12,917 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 655 transitions. [2024-11-28 03:49:12,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 03:49:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 655 transitions. [2024-11-28 03:49:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-28 03:49:12,926 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:12,930 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:12,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:49:13,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:13,132 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:13,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:13,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1978115567, now seen corresponding path program 1 times [2024-11-28 03:49:13,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:13,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884762029] [2024-11-28 03:49:13,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:13,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:21,211 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-28 03:49:21,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:21,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884762029] [2024-11-28 03:49:21,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884762029] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:49:21,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482211717] [2024-11-28 03:49:21,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:21,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:21,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:49:21,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:49:21,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:49:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:28,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 4598 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:49:28,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:49:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-28 03:49:29,073 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:49:29,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482211717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:29,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:49:29,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-28 03:49:29,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116827589] [2024-11-28 03:49:29,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:29,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:49:29,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:29,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:49:29,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:49:29,078 INFO L87 Difference]: Start difference. First operand 462 states and 655 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-28 03:49:31,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:31,673 INFO L93 Difference]: Finished difference Result 875 states and 1259 transitions. [2024-11-28 03:49:31,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:49:31,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 186 [2024-11-28 03:49:31,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:31,683 INFO L225 Difference]: With dead ends: 875 [2024-11-28 03:49:31,683 INFO L226 Difference]: Without dead ends: 464 [2024-11-28 03:49:31,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:49:31,688 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 663 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:31,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2261 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 03:49:31,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-28 03:49:31,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2024-11-28 03:49:31,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 268 states have (on average 1.2164179104477613) internal successors, (326), 272 states have internal predecessors, (326), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2024-11-28 03:49:31,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 669 transitions. [2024-11-28 03:49:31,747 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 669 transitions. Word has length 186 [2024-11-28 03:49:31,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:31,748 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 669 transitions. [2024-11-28 03:49:31,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-28 03:49:31,749 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 669 transitions. [2024-11-28 03:49:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-28 03:49:31,753 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:31,753 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:31,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:49:31,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:31,954 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:31,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:31,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1545977719, now seen corresponding path program 1 times [2024-11-28 03:49:31,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:31,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713089357] [2024-11-28 03:49:31,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:31,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-28 03:49:39,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:39,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713089357] [2024-11-28 03:49:39,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713089357] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:49:39,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189488590] [2024-11-28 03:49:39,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:39,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:39,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:49:39,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:49:39,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:49:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:45,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:49:45,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:49:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-28 03:49:47,081 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:49:47,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189488590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:47,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:49:47,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-28 03:49:47,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298024248] [2024-11-28 03:49:47,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:47,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:49:47,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:47,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:49:47,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:49:47,087 INFO L87 Difference]: Start difference. First operand 464 states and 669 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-28 03:49:52,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:52,163 INFO L93 Difference]: Finished difference Result 898 states and 1330 transitions. [2024-11-28 03:49:52,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:49:52,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 194 [2024-11-28 03:49:52,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:52,176 INFO L225 Difference]: With dead ends: 898 [2024-11-28 03:49:52,176 INFO L226 Difference]: Without dead ends: 485 [2024-11-28 03:49:52,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:49:52,182 INFO L435 NwaCegarLoop]: 576 mSDtfsCounter, 696 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:52,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 3335 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-28 03:49:52,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-28 03:49:52,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 483. [2024-11-28 03:49:52,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-11-28 03:49:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-11-28 03:49:52,257 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 194 [2024-11-28 03:49:52,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:52,259 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-11-28 03:49:52,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-28 03:49:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-11-28 03:49:52,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 03:49:52,266 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:52,266 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:52,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:49:52,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:52,470 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:52,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:52,473 INFO L85 PathProgramCache]: Analyzing trace with hash -417810820, now seen corresponding path program 1 times [2024-11-28 03:49:52,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:52,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969437569] [2024-11-28 03:49:52,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:52,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-28 03:50:00,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:50:00,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969437569] [2024-11-28 03:50:00,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969437569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:50:00,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982097186] [2024-11-28 03:50:00,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:00,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:00,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:00,170 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:50:00,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:50:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:07,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 4775 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:50:07,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:08,360 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-28 03:50:08,360 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:50:08,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982097186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:50:08,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:50:08,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-28 03:50:08,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390711533] [2024-11-28 03:50:08,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:50:08,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:50:08,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:50:08,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:50:08,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:50:08,362 INFO L87 Difference]: Start difference. First operand 483 states and 712 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-28 03:50:11,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:11,470 INFO L93 Difference]: Finished difference Result 921 states and 1389 transitions. [2024-11-28 03:50:11,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:50:11,471 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 209 [2024-11-28 03:50:11,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:50:11,478 INFO L225 Difference]: With dead ends: 921 [2024-11-28 03:50:11,478 INFO L226 Difference]: Without dead ends: 489 [2024-11-28 03:50:11,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:50:11,482 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 679 mSDsluCounter, 2198 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 2772 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:50:11,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 2772 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 03:50:11,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-28 03:50:11,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 483. [2024-11-28 03:50:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-11-28 03:50:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-11-28 03:50:11,526 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 209 [2024-11-28 03:50:11,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:50:11,526 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-11-28 03:50:11,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-28 03:50:11,527 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-11-28 03:50:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-28 03:50:11,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:11,532 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:11,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:50:11,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:11,733 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:11,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:11,734 INFO L85 PathProgramCache]: Analyzing trace with hash -774930059, now seen corresponding path program 1 times [2024-11-28 03:50:11,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:50:11,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880972355] [2024-11-28 03:50:11,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-28 03:50:19,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:50:19,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880972355] [2024-11-28 03:50:19,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880972355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:50:19,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192051114] [2024-11-28 03:50:19,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:19,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:19,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:19,091 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:50:19,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:50:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:26,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 4842 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:50:26,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:27,812 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-28 03:50:27,813 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:50:27,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192051114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:50:27,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:50:27,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-28 03:50:27,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298992038] [2024-11-28 03:50:27,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:50:27,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:50:27,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:50:27,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:50:27,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:50:27,817 INFO L87 Difference]: Start difference. First operand 483 states and 712 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-11-28 03:50:34,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:34,202 INFO L93 Difference]: Finished difference Result 932 states and 1394 transitions. [2024-11-28 03:50:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:50:34,203 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 225 [2024-11-28 03:50:34,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:50:34,212 INFO L225 Difference]: With dead ends: 932 [2024-11-28 03:50:34,212 INFO L226 Difference]: Without dead ends: 500 [2024-11-28 03:50:34,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:50:34,219 INFO L435 NwaCegarLoop]: 553 mSDtfsCounter, 735 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:50:34,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 3734 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-11-28 03:50:34,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-28 03:50:34,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 483. [2024-11-28 03:50:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-11-28 03:50:34,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-11-28 03:50:34,274 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 225 [2024-11-28 03:50:34,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:50:34,275 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-11-28 03:50:34,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-11-28 03:50:34,277 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-11-28 03:50:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-28 03:50:34,284 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:34,284 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:34,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:50:34,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:34,485 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:34,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:34,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1597376700, now seen corresponding path program 2 times [2024-11-28 03:50:34,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:50:34,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849105572] [2024-11-28 03:50:34,486 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:50:34,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:39,488 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:50:39,489 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:50:42,316 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-28 03:50:42,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:50:42,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849105572] [2024-11-28 03:50:42,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849105572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:50:42,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:50:42,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:50:42,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063282909] [2024-11-28 03:50:42,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:50:42,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:50:42,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:50:42,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:50:42,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:50:42,319 INFO L87 Difference]: Start difference. First operand 483 states and 712 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, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-28 03:50:42,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:42,807 INFO L93 Difference]: Finished difference Result 491 states and 720 transitions. [2024-11-28 03:50:42,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:50:42,808 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, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) Word has length 240 [2024-11-28 03:50:42,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:50:42,814 INFO L225 Difference]: With dead ends: 491 [2024-11-28 03:50:42,814 INFO L226 Difference]: Without dead ends: 489 [2024-11-28 03:50:42,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:50:42,816 INFO L435 NwaCegarLoop]: 652 mSDtfsCounter, 3 mSDsluCounter, 2581 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:50:42,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3233 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:50:42,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-28 03:50:42,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 488. [2024-11-28 03:50:42,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 287 states have (on average 1.2229965156794425) internal successors, (351), 291 states have internal predecessors, (351), 169 states have call successors, (169), 29 states have call predecessors, (169), 30 states have return successors, (197), 168 states have call predecessors, (197), 167 states have call successors, (197) [2024-11-28 03:50:42,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 717 transitions. [2024-11-28 03:50:42,851 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 717 transitions. Word has length 240 [2024-11-28 03:50:42,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:50:42,852 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 717 transitions. [2024-11-28 03:50:42,853 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, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-28 03:50:42,855 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 717 transitions. [2024-11-28 03:50:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-28 03:50:42,861 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:42,861 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 03:50:42,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:50:42,861 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:42,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:42,862 INFO L85 PathProgramCache]: Analyzing trace with hash -745355073, now seen corresponding path program 3 times [2024-11-28 03:50:42,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:50:42,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691958483] [2024-11-28 03:50:42,862 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:50:42,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:50,028 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 03:50:50,028 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:50:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-28 03:50:52,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:50:52,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691958483] [2024-11-28 03:50:52,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691958483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:50:52,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780734742] [2024-11-28 03:50:52,566 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:50:52,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:52,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:52,569 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:50:52,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73884a1a-bcdd-4bd2-ab98-bad7da6da11f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process