./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/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_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/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_bdc37c37-74f9-402f-b488-52afc556a6b5/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 0a45241a50bca97d16f2ca30787e76783488e633dbd3fde1131a60622cf8ee85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:54:38,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:54:38,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:54:38,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:54:38,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:54:38,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:54:38,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:54:38,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:54:38,436 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:54:38,436 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:54:38,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:54:38,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:54:38,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:54:38,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:54:38,437 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:54:38,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:54:38,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:54:38,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:54:38,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:54:38,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:54:38,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:54:38,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:54:38,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:54:38,439 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:54:38,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:54:38,439 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:54:38,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:54:38,439 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:54:38,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:54:38,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:54:38,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:54:38,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:54:38,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:54:38,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:54:38,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:54:38,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:54:38,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:54:38,441 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:54:38,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:54:38,441 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:54:38,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:54:38,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:54:38,441 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:54:38,441 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:54:38,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:54:38,441 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_bdc37c37-74f9-402f-b488-52afc556a6b5/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 -> 0a45241a50bca97d16f2ca30787e76783488e633dbd3fde1131a60622cf8ee85 [2024-11-28 02:54:38,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:54:38,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:54:38,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:54:38,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:54:38,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:54:38,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i [2024-11-28 02:54:41,752 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/data/3b3c0254c/75efeba0de254d4392bbbc41f88949e3/FLAG639c59e51 [2024-11-28 02:54:42,349 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:54:42,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i [2024-11-28 02:54:42,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/data/3b3c0254c/75efeba0de254d4392bbbc41f88949e3/FLAG639c59e51 [2024-11-28 02:54:42,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/data/3b3c0254c/75efeba0de254d4392bbbc41f88949e3 [2024-11-28 02:54:42,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:54:42,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:54:42,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:54:42,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:54:42,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:54:42,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:54:42" (1/1) ... [2024-11-28 02:54:42,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5552b6b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:42, skipping insertion in model container [2024-11-28 02:54:42,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:54:42" (1/1) ... [2024-11-28 02:54:42,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:54:42,741 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_bdc37c37-74f9-402f-b488-52afc556a6b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4499,4512] [2024-11-28 02:54:42,749 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_bdc37c37-74f9-402f-b488-52afc556a6b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4559,4572] [2024-11-28 02:54:43,522 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:43,523 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:43,524 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:43,524 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:43,525 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:43,541 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:43,542 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:43,544 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:43,545 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:43,547 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:43,548 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:43,548 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:43,549 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,182 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_bdc37c37-74f9-402f-b488-52afc556a6b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[150662,150675] [2024-11-28 02:54:44,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:54:44,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:54:44,223 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_bdc37c37-74f9-402f-b488-52afc556a6b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4499,4512] [2024-11-28 02:54:44,223 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_bdc37c37-74f9-402f-b488-52afc556a6b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4559,4572] [2024-11-28 02:54:44,317 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,320 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,321 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,321 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,322 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,339 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,342 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,344 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,344 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,346 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,347 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,348 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,348 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:54:44,497 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_bdc37c37-74f9-402f-b488-52afc556a6b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[150662,150675] [2024-11-28 02:54:44,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:54:44,674 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:54:44,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44 WrapperNode [2024-11-28 02:54:44,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:54:44,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:54:44,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:54:44,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:54:44,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,799 INFO L138 Inliner]: procedures = 668, calls = 1044, calls flagged for inlining = 53, calls inlined = 8, statements flattened = 223 [2024-11-28 02:54:44,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:54:44,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:54:44,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:54:44,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:54:44,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,822 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,879 INFO L175 MemorySlicer]: Split 43 memory accesses to 3 slices as follows [2, 5, 36]. 84 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 9 writes are split as follows [0, 0, 9]. [2024-11-28 02:54:44,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,915 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:54:44,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:54:44,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:54:44,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:54:44,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (1/1) ... [2024-11-28 02:54:44,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:54:44,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:54:44,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:54:45,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:54:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-28 02:54:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-28 02:54:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_remove [2024-11-28 02:54:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_remove [2024-11-28 02:54:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:54:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:54:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:54:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:54:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 02:54:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 02:54:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2024-11-28 02:54:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2024-11-28 02:54:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:54:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2024-11-28 02:54:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2024-11-28 02:54:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:54:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:54:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:54:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:54:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:54:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:54:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_empty [2024-11-28 02:54:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_empty [2024-11-28 02:54:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 02:54:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 02:54:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 02:54:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 02:54:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 02:54:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 02:54:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:54:45,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:54:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:54:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:54:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 02:54:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 02:54:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 02:54:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 02:54:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 02:54:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-28 02:54:45,054 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-28 02:54:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2024-11-28 02:54:45,055 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2024-11-28 02:54:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:54:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:54:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:54:45,442 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:54:45,445 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:54:46,099 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-11-28 02:54:46,099 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:54:46,113 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:54:46,113 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 02:54:46,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:54:46 BoogieIcfgContainer [2024-11-28 02:54:46,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:54:46,120 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:54:46,120 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:54:46,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:54:46,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:54:42" (1/3) ... [2024-11-28 02:54:46,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e971c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:54:46, skipping insertion in model container [2024-11-28 02:54:46,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:44" (2/3) ... [2024-11-28 02:54:46,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e971c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:54:46, skipping insertion in model container [2024-11-28 02:54:46,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:54:46" (3/3) ... [2024-11-28 02:54:46,130 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_linked_list_pop_front_harness.i [2024-11-28 02:54:46,150 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:54:46,153 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_linked_list_pop_front_harness.i that has 13 procedures, 145 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-28 02:54:46,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:54:46,244 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;@5250bc7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:54:46,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:54:46,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 89 states have (on average 1.303370786516854) internal successors, (116), 90 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-28 02:54:46,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 02:54:46,265 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:54:46,266 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:54:46,267 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:54:46,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:54:46,274 INFO L85 PathProgramCache]: Analyzing trace with hash -629864822, now seen corresponding path program 1 times [2024-11-28 02:54:46,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:54:46,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360903940] [2024-11-28 02:54:46,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:54:46,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:54:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:54:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-28 02:54:46,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:54:46,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360903940] [2024-11-28 02:54:46,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360903940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:54:46,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950648802] [2024-11-28 02:54:46,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:54:46,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:54:46,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:54:46,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:54:46,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:54:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:54:47,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:54:47,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:54:47,211 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-28 02:54:47,212 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:54:47,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950648802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:54:47,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:54:47,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:54:47,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369048878] [2024-11-28 02:54:47,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:54:47,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:54:47,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:54:47,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:54:47,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:54:47,249 INFO L87 Difference]: Start difference. First operand has 137 states, 89 states have (on average 1.303370786516854) internal successors, (116), 90 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 02:54:47,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:54:47,309 INFO L93 Difference]: Finished difference Result 266 states and 401 transitions. [2024-11-28 02:54:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:54:47,313 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 116 [2024-11-28 02:54:47,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:54:47,322 INFO L225 Difference]: With dead ends: 266 [2024-11-28 02:54:47,322 INFO L226 Difference]: Without dead ends: 132 [2024-11-28 02:54:47,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:54:47,330 INFO L435 NwaCegarLoop]: 183 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, 183 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:54:47,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:54:47,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-28 02:54:47,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-28 02:54:47,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 84 states have (on average 1.25) internal successors, (105), 85 states have internal predecessors, (105), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 02:54:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 178 transitions. [2024-11-28 02:54:47,378 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 178 transitions. Word has length 116 [2024-11-28 02:54:47,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:54:47,379 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 178 transitions. [2024-11-28 02:54:47,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 02:54:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 178 transitions. [2024-11-28 02:54:47,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 02:54:47,382 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:54:47,382 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:54:47,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:54:47,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:54:47,587 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:54:47,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:54:47,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1855713404, now seen corresponding path program 1 times [2024-11-28 02:54:47,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:54:47,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510009556] [2024-11-28 02:54:47,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:54:47,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:54:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:54:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-28 02:54:48,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:54:48,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510009556] [2024-11-28 02:54:48,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510009556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:54:48,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379639839] [2024-11-28 02:54:48,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:54:48,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:54:48,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:54:48,865 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:54:48,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:54:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:54:49,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-28 02:54:49,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:54:49,447 INFO L349 Elim1Store]: treesize reduction 42, result has 31.1 percent of original size [2024-11-28 02:54:49,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 80 [2024-11-28 02:54:49,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2024-11-28 02:54:49,598 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 02:54:49,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-28 02:54:49,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-28 02:54:52,189 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-28 02:54:52,190 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:54:52,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379639839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:54:52,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:54:52,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2024-11-28 02:54:52,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244132880] [2024-11-28 02:54:52,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:54:52,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:54:52,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:54:52,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:54:52,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:54:52,195 INFO L87 Difference]: Start difference. First operand 132 states and 178 transitions. Second operand has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-28 02:54:56,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:55:00,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:55:04,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:55:08,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:55:12,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:55:16,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:55:21,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:55:25,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:55:29,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:55:29,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:29,978 INFO L93 Difference]: Finished difference Result 344 states and 473 transitions. [2024-11-28 02:55:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:55:29,979 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 5 states have call successors, (14) Word has length 116 [2024-11-28 02:55:29,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:29,983 INFO L225 Difference]: With dead ends: 344 [2024-11-28 02:55:29,983 INFO L226 Difference]: Without dead ends: 220 [2024-11-28 02:55:29,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 87 SyntacticMatches, 20 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=122, Invalid=634, Unknown=0, NotChecked=0, Total=756 [2024-11-28 02:55:29,989 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 380 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 115 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:29,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 761 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 472 Invalid, 9 Unknown, 0 Unchecked, 37.3s Time] [2024-11-28 02:55:29,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-28 02:55:30,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 214. [2024-11-28 02:55:30,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 137 states have (on average 1.2627737226277371) internal successors, (173), 139 states have internal predecessors, (173), 60 states have call successors, (60), 17 states have call predecessors, (60), 16 states have return successors, (59), 57 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-28 02:55:30,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 292 transitions. [2024-11-28 02:55:30,023 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 292 transitions. Word has length 116 [2024-11-28 02:55:30,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:30,023 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 292 transitions. [2024-11-28 02:55:30,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-28 02:55:30,024 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 292 transitions. [2024-11-28 02:55:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 02:55:30,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:30,027 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:30,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:55:30,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:30,231 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:30,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:30,232 INFO L85 PathProgramCache]: Analyzing trace with hash -2079877694, now seen corresponding path program 1 times [2024-11-28 02:55:30,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:30,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823856238] [2024-11-28 02:55:30,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:30,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:30,895 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-28 02:55:30,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:30,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823856238] [2024-11-28 02:55:30,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823856238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:55:30,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271046465] [2024-11-28 02:55:30,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:30,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:30,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:30,902 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:55:30,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:55:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:31,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-28 02:55:31,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:55:31,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2024-11-28 02:55:31,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-28 02:55:32,533 INFO L349 Elim1Store]: treesize reduction 30, result has 43.4 percent of original size [2024-11-28 02:55:32,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 39 [2024-11-28 02:55:32,550 INFO L349 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2024-11-28 02:55:32,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 7 [2024-11-28 02:55:32,640 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 109 proven. 12 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-28 02:55:32,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:55:33,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 174 [2024-11-28 02:55:33,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 162 [2024-11-28 02:55:33,997 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 38 proven. 16 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-28 02:55:33,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271046465] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:55:33,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:55:33,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 17] total 30 [2024-11-28 02:55:33,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784494616] [2024-11-28 02:55:33,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:55:33,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-28 02:55:33,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:34,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-28 02:55:34,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2024-11-28 02:55:34,001 INFO L87 Difference]: Start difference. First operand 214 states and 292 transitions. Second operand has 30 states, 24 states have (on average 3.9583333333333335) internal successors, (95), 26 states have internal predecessors, (95), 17 states have call successors, (45), 4 states have call predecessors, (45), 9 states have return successors, (43), 15 states have call predecessors, (43), 17 states have call successors, (43) [2024-11-28 02:55:36,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:36,253 INFO L93 Difference]: Finished difference Result 337 states and 455 transitions. [2024-11-28 02:55:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 02:55:36,254 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 24 states have (on average 3.9583333333333335) internal successors, (95), 26 states have internal predecessors, (95), 17 states have call successors, (45), 4 states have call predecessors, (45), 9 states have return successors, (43), 15 states have call predecessors, (43), 17 states have call successors, (43) Word has length 116 [2024-11-28 02:55:36,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:36,256 INFO L225 Difference]: With dead ends: 337 [2024-11-28 02:55:36,256 INFO L226 Difference]: Without dead ends: 136 [2024-11-28 02:55:36,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 206 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=223, Invalid=2129, Unknown=0, NotChecked=0, Total=2352 [2024-11-28 02:55:36,259 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 185 mSDsluCounter, 2639 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 2796 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:36,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 2796 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:55:36,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-28 02:55:36,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 135. [2024-11-28 02:55:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 86 states have (on average 1.244186046511628) internal successors, (107), 88 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 11 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2024-11-28 02:55:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 184 transitions. [2024-11-28 02:55:36,282 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 184 transitions. Word has length 116 [2024-11-28 02:55:36,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:36,282 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 184 transitions. [2024-11-28 02:55:36,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 24 states have (on average 3.9583333333333335) internal successors, (95), 26 states have internal predecessors, (95), 17 states have call successors, (45), 4 states have call predecessors, (45), 9 states have return successors, (43), 15 states have call predecessors, (43), 17 states have call successors, (43) [2024-11-28 02:55:36,283 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2024-11-28 02:55:36,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 02:55:36,285 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:36,285 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 02:55:36,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:55:36,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:36,486 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:36,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:36,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1237912148, now seen corresponding path program 1 times [2024-11-28 02:55:36,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:36,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315289394] [2024-11-28 02:55:36,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:36,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:36,686 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-28 02:55:36,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:36,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315289394] [2024-11-28 02:55:36,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315289394] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:55:36,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454658470] [2024-11-28 02:55:36,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:36,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:36,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:36,689 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:55:36,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:55:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:36,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:55:36,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:55:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-28 02:55:36,947 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:55:36,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454658470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:36,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:55:36,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-11-28 02:55:36,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008554998] [2024-11-28 02:55:36,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:36,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:55:36,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:36,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:55:36,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:55:36,950 INFO L87 Difference]: Start difference. First operand 135 states and 184 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:55:36,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:36,974 INFO L93 Difference]: Finished difference Result 250 states and 346 transitions. [2024-11-28 02:55:36,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:55:36,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 120 [2024-11-28 02:55:36,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:36,977 INFO L225 Difference]: With dead ends: 250 [2024-11-28 02:55:36,977 INFO L226 Difference]: Without dead ends: 136 [2024-11-28 02:55:36,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:55:36,979 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:36,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 350 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:36,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-28 02:55:36,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-28 02:55:36,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 87 states have (on average 1.2413793103448276) internal successors, (108), 89 states have internal predecessors, (108), 37 states have call successors, (37), 10 states have call predecessors, (37), 11 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2024-11-28 02:55:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 185 transitions. [2024-11-28 02:55:36,997 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 185 transitions. Word has length 120 [2024-11-28 02:55:36,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:36,998 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 185 transitions. [2024-11-28 02:55:36,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:55:36,998 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2024-11-28 02:55:37,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 02:55:37,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:37,001 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 02:55:37,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 02:55:37,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:37,201 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:37,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:37,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1007667306, now seen corresponding path program 1 times [2024-11-28 02:55:37,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:37,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413124354] [2024-11-28 02:55:37,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:37,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:37,658 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-28 02:55:37,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:37,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413124354] [2024-11-28 02:55:37,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413124354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:55:37,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852137120] [2024-11-28 02:55:37,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:37,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:37,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:37,662 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:55:37,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:55:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:37,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:55:37,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:55:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-28 02:55:38,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:55:38,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852137120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:38,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:55:38,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-28 02:55:38,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113730773] [2024-11-28 02:55:38,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:38,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:55:38,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:38,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:55:38,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:55:38,092 INFO L87 Difference]: Start difference. First operand 136 states and 185 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 5 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-28 02:55:38,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:38,584 INFO L93 Difference]: Finished difference Result 256 states and 350 transitions. [2024-11-28 02:55:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:55:38,585 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 5 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 5 states have call successors, (15) Word has length 120 [2024-11-28 02:55:38,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:38,587 INFO L225 Difference]: With dead ends: 256 [2024-11-28 02:55:38,589 INFO L226 Difference]: Without dead ends: 138 [2024-11-28 02:55:38,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2024-11-28 02:55:38,591 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 204 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:38,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 900 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:55:38,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-28 02:55:38,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2024-11-28 02:55:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 89 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 11 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2024-11-28 02:55:38,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 184 transitions. [2024-11-28 02:55:38,619 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 184 transitions. Word has length 120 [2024-11-28 02:55:38,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:38,619 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 184 transitions. [2024-11-28 02:55:38,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 5 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-28 02:55:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 184 transitions. [2024-11-28 02:55:38,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 02:55:38,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:38,622 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 02:55:38,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 02:55:38,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:38,823 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:38,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:38,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1735356124, now seen corresponding path program 1 times [2024-11-28 02:55:38,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:38,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597559799] [2024-11-28 02:55:38,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:38,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-28 02:55:39,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:39,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597559799] [2024-11-28 02:55:39,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597559799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:55:39,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776978446] [2024-11-28 02:55:39,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:39,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:39,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:39,280 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:55:39,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 02:55:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:39,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:55:39,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:55:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-28 02:55:39,746 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:55:39,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776978446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:39,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:55:39,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2024-11-28 02:55:39,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461937347] [2024-11-28 02:55:39,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:39,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:55:39,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:39,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:55:39,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:55:39,748 INFO L87 Difference]: Start difference. First operand 136 states and 184 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 5 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-28 02:55:40,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:40,336 INFO L93 Difference]: Finished difference Result 262 states and 358 transitions. [2024-11-28 02:55:40,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:55:40,337 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 5 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 5 states have call successors, (15) Word has length 122 [2024-11-28 02:55:40,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:40,339 INFO L225 Difference]: With dead ends: 262 [2024-11-28 02:55:40,339 INFO L226 Difference]: Without dead ends: 143 [2024-11-28 02:55:40,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2024-11-28 02:55:40,341 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 218 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:40,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 1013 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:55:40,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-28 02:55:40,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 137. [2024-11-28 02:55:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 90 states have internal predecessors, (108), 37 states have call successors, (37), 10 states have call predecessors, (37), 11 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2024-11-28 02:55:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 185 transitions. [2024-11-28 02:55:40,357 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 185 transitions. Word has length 122 [2024-11-28 02:55:40,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:40,358 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 185 transitions. [2024-11-28 02:55:40,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 5 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-28 02:55:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 185 transitions. [2024-11-28 02:55:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 02:55:40,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:40,360 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 02:55:40,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 02:55:40,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:40,560 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:40,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:40,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1938292629, now seen corresponding path program 1 times [2024-11-28 02:55:40,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:40,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382873514] [2024-11-28 02:55:40,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:40,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-28 02:55:41,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:41,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382873514] [2024-11-28 02:55:41,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382873514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:55:41,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008677863] [2024-11-28 02:55:41,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:41,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:41,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:41,109 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:55:41,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 02:55:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:41,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:55:41,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:55:41,400 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-28 02:55:41,401 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:55:41,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008677863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:41,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:55:41,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-28 02:55:41,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499058733] [2024-11-28 02:55:41,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:41,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:55:41,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:41,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:55:41,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:55:41,404 INFO L87 Difference]: Start difference. First operand 137 states and 185 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:55:41,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:41,436 INFO L93 Difference]: Finished difference Result 257 states and 353 transitions. [2024-11-28 02:55:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:55:41,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 123 [2024-11-28 02:55:41,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:41,440 INFO L225 Difference]: With dead ends: 257 [2024-11-28 02:55:41,440 INFO L226 Difference]: Without dead ends: 141 [2024-11-28 02:55:41,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:55:41,441 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 2 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:41,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 343 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:41,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-28 02:55:41,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 138. [2024-11-28 02:55:41,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 89 states have (on average 1.2247191011235956) internal successors, (109), 91 states have internal predecessors, (109), 37 states have call successors, (37), 10 states have call predecessors, (37), 11 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2024-11-28 02:55:41,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 186 transitions. [2024-11-28 02:55:41,465 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 186 transitions. Word has length 123 [2024-11-28 02:55:41,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:41,466 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 186 transitions. [2024-11-28 02:55:41,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:55:41,469 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 186 transitions. [2024-11-28 02:55:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:55:41,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:41,470 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 02:55:41,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 02:55:41,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:41,671 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:41,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:41,671 INFO L85 PathProgramCache]: Analyzing trace with hash 173108503, now seen corresponding path program 1 times [2024-11-28 02:55:41,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:41,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534115414] [2024-11-28 02:55:41,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:41,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-28 02:55:42,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:42,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534115414] [2024-11-28 02:55:42,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534115414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:55:42,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015321485] [2024-11-28 02:55:42,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:42,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:42,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:42,216 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:55:42,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 02:55:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:42,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-28 02:55:42,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:55:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-28 02:55:42,843 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:55:42,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015321485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:42,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:55:42,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 15 [2024-11-28 02:55:42,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089839797] [2024-11-28 02:55:42,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:42,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:55:42,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:42,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:55:42,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:55:42,848 INFO L87 Difference]: Start difference. First operand 138 states and 186 transitions. Second operand has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-28 02:55:43,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:43,558 INFO L93 Difference]: Finished difference Result 255 states and 345 transitions. [2024-11-28 02:55:43,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:55:43,559 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 131 [2024-11-28 02:55:43,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:43,562 INFO L225 Difference]: With dead ends: 255 [2024-11-28 02:55:43,563 INFO L226 Difference]: Without dead ends: 141 [2024-11-28 02:55:43,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=518, Unknown=0, NotChecked=0, Total=600 [2024-11-28 02:55:43,564 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 175 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:43,565 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1448 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:55:43,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-28 02:55:43,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2024-11-28 02:55:43,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 92 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 11 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2024-11-28 02:55:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 187 transitions. [2024-11-28 02:55:43,584 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 187 transitions. Word has length 131 [2024-11-28 02:55:43,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:43,584 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 187 transitions. [2024-11-28 02:55:43,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-28 02:55:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 187 transitions. [2024-11-28 02:55:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:55:43,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:43,587 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 02:55:43,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 02:55:43,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:43,787 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:43,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:43,788 INFO L85 PathProgramCache]: Analyzing trace with hash -881169819, now seen corresponding path program 1 times [2024-11-28 02:55:43,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:43,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500522601] [2024-11-28 02:55:43,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:43,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:44,962 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-28 02:55:44,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:44,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500522601] [2024-11-28 02:55:44,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500522601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:55:44,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171444937] [2024-11-28 02:55:44,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:44,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:44,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:44,967 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:55:44,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 02:55:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:45,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-28 02:55:45,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:55:45,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-11-28 02:55:45,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-11-28 02:55:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 105 proven. 10 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-28 02:55:46,558 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:55:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-28 02:55:47,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171444937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:55:47,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:55:47,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 12] total 31 [2024-11-28 02:55:47,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577521692] [2024-11-28 02:55:47,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:55:47,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-28 02:55:47,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:47,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-28 02:55:47,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=832, Unknown=0, NotChecked=0, Total=930 [2024-11-28 02:55:47,476 INFO L87 Difference]: Start difference. First operand 139 states and 187 transitions. Second operand has 31 states, 29 states have (on average 4.103448275862069) internal successors, (119), 30 states have internal predecessors, (119), 13 states have call successors, (37), 3 states have call predecessors, (37), 5 states have return successors, (37), 11 states have call predecessors, (37), 13 states have call successors, (37) [2024-11-28 02:55:52,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:52,951 INFO L93 Difference]: Finished difference Result 482 states and 690 transitions. [2024-11-28 02:55:52,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-28 02:55:52,952 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 4.103448275862069) internal successors, (119), 30 states have internal predecessors, (119), 13 states have call successors, (37), 3 states have call predecessors, (37), 5 states have return successors, (37), 11 states have call predecessors, (37), 13 states have call successors, (37) Word has length 133 [2024-11-28 02:55:52,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:52,956 INFO L225 Difference]: With dead ends: 482 [2024-11-28 02:55:52,957 INFO L226 Difference]: Without dead ends: 364 [2024-11-28 02:55:52,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 255 SyntacticMatches, 6 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1069 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=560, Invalid=4410, Unknown=0, NotChecked=0, Total=4970 [2024-11-28 02:55:52,960 INFO L435 NwaCegarLoop]: 247 mSDtfsCounter, 429 mSDsluCounter, 3034 mSDsCounter, 0 mSdLazyCounter, 2936 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 3281 SdHoareTripleChecker+Invalid, 3234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 2936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:55:52,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 3281 Invalid, 3234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 2936 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-28 02:55:52,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-28 02:55:53,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 309. [2024-11-28 02:55:53,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 214 states have (on average 1.2616822429906542) internal successors, (270), 219 states have internal predecessors, (270), 71 states have call successors, (71), 20 states have call predecessors, (71), 23 states have return successors, (87), 69 states have call predecessors, (87), 69 states have call successors, (87) [2024-11-28 02:55:53,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 428 transitions. [2024-11-28 02:55:53,019 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 428 transitions. Word has length 133 [2024-11-28 02:55:53,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:53,020 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 428 transitions. [2024-11-28 02:55:53,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 4.103448275862069) internal successors, (119), 30 states have internal predecessors, (119), 13 states have call successors, (37), 3 states have call predecessors, (37), 5 states have return successors, (37), 11 states have call predecessors, (37), 13 states have call successors, (37) [2024-11-28 02:55:53,020 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 428 transitions. [2024-11-28 02:55:53,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 02:55:53,022 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:53,023 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 02:55:53,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 02:55:53,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-28 02:55:53,224 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:53,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:53,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1646702988, now seen corresponding path program 1 times [2024-11-28 02:55:53,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:53,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45085952] [2024-11-28 02:55:53,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:53,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:53,622 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-11-28 02:55:53,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:53,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45085952] [2024-11-28 02:55:53,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45085952] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:55:53,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415702836] [2024-11-28 02:55:53,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:53,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:55:53,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:53,626 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:55:53,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 02:55:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:53,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-28 02:55:53,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:55:54,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-28 02:55:54,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-28 02:55:54,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:55:54,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 02:55:54,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:55:54,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 02:55:54,394 INFO L349 Elim1Store]: treesize reduction 38, result has 22.4 percent of original size [2024-11-28 02:55:54,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 97 [2024-11-28 02:55:54,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 63 [2024-11-28 02:55:54,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:55:54,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-11-28 02:55:54,580 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_3 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| Int)) (let ((.cse1 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|))) (let ((.cse0 (select .cse1 24))) (let ((.cse2 (select (store (store |c_#memory_$Pointer$#2.base| .cse0 v_DerPreprocessor_3) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| v_DerPreprocessor_4) .cse0))) (and (= .cse0 (select .cse1 0)) (= .cse2 (select |c_#memory_$Pointer$#2.base| .cse0)) (<= (+ .cse0 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|) (= (store .cse2 24 .cse0) v_DerPreprocessor_4)))))) is different from true [2024-11-28 02:55:54,900 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((v_DerPreprocessor_3 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| Int)) (let ((.cse2 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|))) (let ((.cse1 (select .cse2 24))) (let ((.cse0 (select (store (store |c_#memory_$Pointer$#2.base| .cse1 v_DerPreprocessor_3) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| v_DerPreprocessor_4) .cse1))) (and (= (store .cse0 24 .cse1) v_DerPreprocessor_4) (<= (+ .cse1 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|) (= .cse0 (select |c_#memory_$Pointer$#2.base| .cse1)) (= .cse1 (select .cse2 0))))))) (exists ((v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| Int)) (let ((.cse4 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|))) (let ((.cse3 (select .cse4 24))) (let ((.cse5 (select (store (store |c_#memory_$Pointer$#2.base| .cse3 v_DerPreprocessor_5) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| v_DerPreprocessor_6) .cse3))) (and (= .cse3 (select .cse4 0)) (= v_DerPreprocessor_6 (store .cse5 24 .cse3)) (<= (+ .cse3 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|) (= (select |c_#memory_$Pointer$#2.base| .cse3) .cse5))))))) is different from true [2024-11-28 02:55:55,548 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((v_DerPreprocessor_10 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31| Int) (v_DerPreprocessor_9 (Array Int Int))) (let ((.cse0 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31|))) (let ((.cse1 (select .cse0 24))) (let ((.cse2 (select (store (store |c_#memory_$Pointer$#2.base| .cse1 v_DerPreprocessor_9) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31| v_DerPreprocessor_10) .cse1))) (and (= (select .cse0 0) .cse1) (= v_DerPreprocessor_10 (store .cse2 24 .cse1)) (<= (+ 2 .cse1) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31|) (= (select |c_#memory_$Pointer$#2.base| .cse1) .cse2)))))) (exists ((v_DerPreprocessor_3 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23| Int)) (let ((.cse5 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23|))) (let ((.cse4 (select .cse5 24))) (let ((.cse3 (select (store (store |c_#memory_$Pointer$#2.base| .cse4 v_DerPreprocessor_3) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23| v_DerPreprocessor_4) .cse4))) (and (= .cse3 (select |c_#memory_$Pointer$#2.base| .cse4)) (<= (+ .cse4 2) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23|) (= .cse4 (select .cse5 0)) (= (store .cse3 24 .cse4) v_DerPreprocessor_4)))))) (exists ((v_DerPreprocessor_7 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| Int) (v_DerPreprocessor_8 (Array Int Int))) (let ((.cse8 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|))) (let ((.cse7 (select .cse8 24))) (let ((.cse6 (select (store (store |c_#memory_$Pointer$#2.base| .cse7 v_DerPreprocessor_7) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| v_DerPreprocessor_8) .cse7))) (and (= .cse6 (select |c_#memory_$Pointer$#2.base| .cse7)) (<= (+ .cse7 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|) (= v_DerPreprocessor_8 (store .cse6 24 .cse7)) (= .cse7 (select .cse8 0))))))) (exists ((v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| Int)) (let ((.cse10 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|))) (let ((.cse9 (select .cse10 24))) (let ((.cse11 (select (store (store |c_#memory_$Pointer$#2.base| .cse9 v_DerPreprocessor_5) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| v_DerPreprocessor_6) .cse9))) (and (= .cse9 (select .cse10 0)) (= v_DerPreprocessor_6 (store .cse11 24 .cse9)) (<= (+ .cse9 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|) (= (select |c_#memory_$Pointer$#2.base| .cse9) .cse11))))))) is different from true [2024-11-28 02:55:56,369 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((v_DerPreprocessor_10 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31| Int) (v_DerPreprocessor_9 (Array Int Int))) (let ((.cse0 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31|))) (let ((.cse1 (select .cse0 24))) (let ((.cse2 (select (store (store |c_#memory_$Pointer$#2.base| .cse1 v_DerPreprocessor_9) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31| v_DerPreprocessor_10) .cse1))) (and (= (select .cse0 0) .cse1) (= v_DerPreprocessor_10 (store .cse2 24 .cse1)) (<= (+ 2 .cse1) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31|) (= (select |c_#memory_$Pointer$#2.base| .cse1) .cse2)))))) (exists ((v_DerPreprocessor_3 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23| Int)) (let ((.cse5 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23|))) (let ((.cse4 (select .cse5 24))) (let ((.cse3 (select (store (store |c_#memory_$Pointer$#2.base| .cse4 v_DerPreprocessor_3) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23| v_DerPreprocessor_4) .cse4))) (and (= .cse3 (select |c_#memory_$Pointer$#2.base| .cse4)) (<= (+ .cse4 2) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23|) (= .cse4 (select .cse5 0)) (= (store .cse3 24 .cse4) v_DerPreprocessor_4)))))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24| Int) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse8 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24|))) (let ((.cse7 (select .cse8 24))) (let ((.cse6 (select (store (store |c_#memory_$Pointer$#2.base| .cse7 v_DerPreprocessor_11) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24| v_DerPreprocessor_12) .cse7))) (and (= v_DerPreprocessor_12 (store .cse6 24 .cse7)) (<= (+ 2 .cse7) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24|) (= .cse6 (select |c_#memory_$Pointer$#2.base| .cse7)) (= (select .cse8 0) .cse7)))))) (exists ((v_DerPreprocessor_7 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| Int) (v_DerPreprocessor_8 (Array Int Int))) (let ((.cse11 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|))) (let ((.cse10 (select .cse11 24))) (let ((.cse9 (select (store (store |c_#memory_$Pointer$#2.base| .cse10 v_DerPreprocessor_7) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| v_DerPreprocessor_8) .cse10))) (and (= .cse9 (select |c_#memory_$Pointer$#2.base| .cse10)) (<= (+ .cse10 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|) (= v_DerPreprocessor_8 (store .cse9 24 .cse10)) (= .cse10 (select .cse11 0))))))) (exists ((v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| Int)) (let ((.cse13 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|))) (let ((.cse12 (select .cse13 24))) (let ((.cse14 (select (store (store |c_#memory_$Pointer$#2.base| .cse12 v_DerPreprocessor_5) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| v_DerPreprocessor_6) .cse12))) (and (= .cse12 (select .cse13 0)) (= v_DerPreprocessor_6 (store .cse14 24 .cse12)) (<= (+ .cse12 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|) (= (select |c_#memory_$Pointer$#2.base| .cse12) .cse14))))))) is different from true [2024-11-28 02:55:57,137 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((v_DerPreprocessor_10 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31| Int) (v_DerPreprocessor_9 (Array Int Int))) (let ((.cse0 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31|))) (let ((.cse1 (select .cse0 24))) (let ((.cse2 (select (store (store |c_#memory_$Pointer$#2.base| .cse1 v_DerPreprocessor_9) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31| v_DerPreprocessor_10) .cse1))) (and (= (select .cse0 0) .cse1) (= v_DerPreprocessor_10 (store .cse2 24 .cse1)) (<= (+ 2 .cse1) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31|) (= (select |c_#memory_$Pointer$#2.base| .cse1) .cse2)))))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_25| Int) (v_DerPreprocessor_13 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (let ((.cse4 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_25|))) (let ((.cse3 (select .cse4 24))) (let ((.cse5 (select (store (store |c_#memory_$Pointer$#2.base| .cse3 v_DerPreprocessor_13) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_25| v_DerPreprocessor_14) .cse3))) (and (= .cse3 (select .cse4 0)) (<= (+ 2 .cse3) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_25|) (= (select |c_#memory_$Pointer$#2.base| .cse3) .cse5) (= (store .cse5 24 .cse3) v_DerPreprocessor_14)))))) (exists ((v_DerPreprocessor_3 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23| Int)) (let ((.cse8 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23|))) (let ((.cse7 (select .cse8 24))) (let ((.cse6 (select (store (store |c_#memory_$Pointer$#2.base| .cse7 v_DerPreprocessor_3) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23| v_DerPreprocessor_4) .cse7))) (and (= .cse6 (select |c_#memory_$Pointer$#2.base| .cse7)) (<= (+ .cse7 2) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23|) (= .cse7 (select .cse8 0)) (= (store .cse6 24 .cse7) v_DerPreprocessor_4)))))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24| Int) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse11 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24|))) (let ((.cse10 (select .cse11 24))) (let ((.cse9 (select (store (store |c_#memory_$Pointer$#2.base| .cse10 v_DerPreprocessor_11) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24| v_DerPreprocessor_12) .cse10))) (and (= v_DerPreprocessor_12 (store .cse9 24 .cse10)) (<= (+ 2 .cse10) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24|) (= .cse9 (select |c_#memory_$Pointer$#2.base| .cse10)) (= (select .cse11 0) .cse10)))))) (exists ((v_DerPreprocessor_7 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| Int) (v_DerPreprocessor_8 (Array Int Int))) (let ((.cse14 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|))) (let ((.cse13 (select .cse14 24))) (let ((.cse12 (select (store (store |c_#memory_$Pointer$#2.base| .cse13 v_DerPreprocessor_7) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| v_DerPreprocessor_8) .cse13))) (and (= .cse12 (select |c_#memory_$Pointer$#2.base| .cse13)) (<= (+ .cse13 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|) (= v_DerPreprocessor_8 (store .cse12 24 .cse13)) (= .cse13 (select .cse14 0))))))) (exists ((v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| Int)) (let ((.cse16 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|))) (let ((.cse15 (select .cse16 24))) (let ((.cse17 (select (store (store |c_#memory_$Pointer$#2.base| .cse15 v_DerPreprocessor_5) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| v_DerPreprocessor_6) .cse15))) (and (= .cse15 (select .cse16 0)) (= v_DerPreprocessor_6 (store .cse17 24 .cse15)) (<= (+ .cse15 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|) (= (select |c_#memory_$Pointer$#2.base| .cse15) .cse17))))))) is different from true [2024-11-28 02:55:58,530 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((v_DerPreprocessor_10 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31| Int) (v_DerPreprocessor_9 (Array Int Int))) (let ((.cse0 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31|))) (let ((.cse1 (select .cse0 24))) (let ((.cse2 (select (store (store |c_#memory_$Pointer$#2.base| .cse1 v_DerPreprocessor_9) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31| v_DerPreprocessor_10) .cse1))) (and (= (select .cse0 0) .cse1) (= v_DerPreprocessor_10 (store .cse2 24 .cse1)) (<= (+ 2 .cse1) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31|) (= (select |c_#memory_$Pointer$#2.base| .cse1) .cse2)))))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_26| Int) (v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int))) (let ((.cse5 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_26|))) (let ((.cse4 (select .cse5 24))) (let ((.cse3 (select (store (store |c_#memory_$Pointer$#2.base| .cse4 v_DerPreprocessor_15) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_26| v_DerPreprocessor_16) .cse4))) (and (= v_DerPreprocessor_16 (store .cse3 24 .cse4)) (= (select .cse5 0) .cse4) (<= (+ 2 .cse4) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_26|) (= (select |c_#memory_$Pointer$#2.base| .cse4) .cse3)))))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_25| Int) (v_DerPreprocessor_13 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (let ((.cse7 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_25|))) (let ((.cse6 (select .cse7 24))) (let ((.cse8 (select (store (store |c_#memory_$Pointer$#2.base| .cse6 v_DerPreprocessor_13) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_25| v_DerPreprocessor_14) .cse6))) (and (= .cse6 (select .cse7 0)) (<= (+ 2 .cse6) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_25|) (= (select |c_#memory_$Pointer$#2.base| .cse6) .cse8) (= (store .cse8 24 .cse6) v_DerPreprocessor_14)))))) (exists ((v_DerPreprocessor_3 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23| Int)) (let ((.cse11 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23|))) (let ((.cse10 (select .cse11 24))) (let ((.cse9 (select (store (store |c_#memory_$Pointer$#2.base| .cse10 v_DerPreprocessor_3) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23| v_DerPreprocessor_4) .cse10))) (and (= .cse9 (select |c_#memory_$Pointer$#2.base| .cse10)) (<= (+ .cse10 2) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23|) (= .cse10 (select .cse11 0)) (= (store .cse9 24 .cse10) v_DerPreprocessor_4)))))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24| Int) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse14 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24|))) (let ((.cse13 (select .cse14 24))) (let ((.cse12 (select (store (store |c_#memory_$Pointer$#2.base| .cse13 v_DerPreprocessor_11) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24| v_DerPreprocessor_12) .cse13))) (and (= v_DerPreprocessor_12 (store .cse12 24 .cse13)) (<= (+ 2 .cse13) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24|) (= .cse12 (select |c_#memory_$Pointer$#2.base| .cse13)) (= (select .cse14 0) .cse13)))))) (exists ((v_DerPreprocessor_7 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| Int) (v_DerPreprocessor_8 (Array Int Int))) (let ((.cse17 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|))) (let ((.cse16 (select .cse17 24))) (let ((.cse15 (select (store (store |c_#memory_$Pointer$#2.base| .cse16 v_DerPreprocessor_7) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| v_DerPreprocessor_8) .cse16))) (and (= .cse15 (select |c_#memory_$Pointer$#2.base| .cse16)) (<= (+ .cse16 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|) (= v_DerPreprocessor_8 (store .cse15 24 .cse16)) (= .cse16 (select .cse17 0))))))) (exists ((v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| Int)) (let ((.cse19 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|))) (let ((.cse18 (select .cse19 24))) (let ((.cse20 (select (store (store |c_#memory_$Pointer$#2.base| .cse18 v_DerPreprocessor_5) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| v_DerPreprocessor_6) .cse18))) (and (= .cse18 (select .cse19 0)) (= v_DerPreprocessor_6 (store .cse20 24 .cse18)) (<= (+ .cse18 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|) (= (select |c_#memory_$Pointer$#2.base| .cse18) .cse20))))))) is different from true [2024-11-28 02:55:59,895 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((v_DerPreprocessor_10 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31| Int) (v_DerPreprocessor_9 (Array Int Int))) (let ((.cse0 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31|))) (let ((.cse1 (select .cse0 24))) (let ((.cse2 (select (store (store |c_#memory_$Pointer$#2.base| .cse1 v_DerPreprocessor_9) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31| v_DerPreprocessor_10) .cse1))) (and (= (select .cse0 0) .cse1) (= v_DerPreprocessor_10 (store .cse2 24 .cse1)) (<= (+ 2 .cse1) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31|) (= (select |c_#memory_$Pointer$#2.base| .cse1) .cse2)))))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_26| Int) (v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int))) (let ((.cse5 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_26|))) (let ((.cse4 (select .cse5 24))) (let ((.cse3 (select (store (store |c_#memory_$Pointer$#2.base| .cse4 v_DerPreprocessor_15) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_26| v_DerPreprocessor_16) .cse4))) (and (= v_DerPreprocessor_16 (store .cse3 24 .cse4)) (= (select .cse5 0) .cse4) (<= (+ 2 .cse4) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_26|) (= (select |c_#memory_$Pointer$#2.base| .cse4) .cse3)))))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_25| Int) (v_DerPreprocessor_13 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (let ((.cse7 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_25|))) (let ((.cse6 (select .cse7 24))) (let ((.cse8 (select (store (store |c_#memory_$Pointer$#2.base| .cse6 v_DerPreprocessor_13) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_25| v_DerPreprocessor_14) .cse6))) (and (= .cse6 (select .cse7 0)) (<= (+ 2 .cse6) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_25|) (= (select |c_#memory_$Pointer$#2.base| .cse6) .cse8) (= (store .cse8 24 .cse6) v_DerPreprocessor_14)))))) (exists ((v_DerPreprocessor_3 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23| Int)) (let ((.cse11 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23|))) (let ((.cse10 (select .cse11 24))) (let ((.cse9 (select (store (store |c_#memory_$Pointer$#2.base| .cse10 v_DerPreprocessor_3) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23| v_DerPreprocessor_4) .cse10))) (and (= .cse9 (select |c_#memory_$Pointer$#2.base| .cse10)) (<= (+ .cse10 2) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23|) (= .cse10 (select .cse11 0)) (= (store .cse9 24 .cse10) v_DerPreprocessor_4)))))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24| Int) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse14 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24|))) (let ((.cse13 (select .cse14 24))) (let ((.cse12 (select (store (store |c_#memory_$Pointer$#2.base| .cse13 v_DerPreprocessor_11) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24| v_DerPreprocessor_12) .cse13))) (and (= v_DerPreprocessor_12 (store .cse12 24 .cse13)) (<= (+ 2 .cse13) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_24|) (= .cse12 (select |c_#memory_$Pointer$#2.base| .cse13)) (= (select .cse14 0) .cse13)))))) (exists ((v_DerPreprocessor_7 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| Int) (v_DerPreprocessor_8 (Array Int Int))) (let ((.cse17 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|))) (let ((.cse16 (select .cse17 24))) (let ((.cse15 (select (store (store |c_#memory_$Pointer$#2.base| .cse16 v_DerPreprocessor_7) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| v_DerPreprocessor_8) .cse16))) (and (= .cse15 (select |c_#memory_$Pointer$#2.base| .cse16)) (<= (+ .cse16 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|) (= v_DerPreprocessor_8 (store .cse15 24 .cse16)) (= .cse16 (select .cse17 0))))))) (exists ((v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| Int)) (let ((.cse19 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|))) (let ((.cse18 (select .cse19 24))) (let ((.cse20 (select (store (store |c_#memory_$Pointer$#2.base| .cse18 v_DerPreprocessor_5) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| v_DerPreprocessor_6) .cse18))) (and (= .cse18 (select .cse19 0)) (= v_DerPreprocessor_6 (store .cse20 24 .cse18)) (<= (+ .cse18 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|) (= (select |c_#memory_$Pointer$#2.base| .cse18) .cse20)))))) (exists ((v_DerPreprocessor_17 (Array Int Int)) (v_DerPreprocessor_18 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_front_~list#1.base_BEFORE_CALL_22| Int)) (let ((.cse23 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_front_~list#1.base_BEFORE_CALL_22|))) (let ((.cse21 (select .cse23 24))) (let ((.cse22 (select (store (store |c_#memory_$Pointer$#2.base| .cse21 v_DerPreprocessor_17) |v_ULTIMATE.start_aws_linked_list_front_~list#1.base_BEFORE_CALL_22| v_DerPreprocessor_18) .cse21))) (and (<= (+ .cse21 2) |v_ULTIMATE.start_aws_linked_list_front_~list#1.base_BEFORE_CALL_22|) (= v_DerPreprocessor_18 (store .cse22 24 .cse21)) (= .cse22 (select |c_#memory_$Pointer$#2.base| .cse21)) (= .cse21 (select .cse23 0)))))))) is different from true [2024-11-28 02:56:05,258 INFO L349 Elim1Store]: treesize reduction 1224, result has 0.1 percent of original size [2024-11-28 02:56:05,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 27 new quantified variables, introduced 153 case distinctions, treesize of input 845 treesize of output 618 [2024-11-28 02:56:05,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-11-28 02:56:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 104 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 76 not checked. [2024-11-28 02:56:05,316 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:56:06,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2024-11-28 02:56:06,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-11-28 02:56:06,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-11-28 02:56:06,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-11-28 02:56:06,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:56:06,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 33 [2024-11-28 02:56:06,894 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:56:06,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 378 [2024-11-28 02:56:06,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 184 [2024-11-28 02:56:07,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2024-11-28 02:56:07,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-11-28 02:56:07,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:56:07,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 76 [2024-11-28 02:56:07,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415702836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:56:07,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:56:07,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 28] total 32 [2024-11-28 02:56:07,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7705791] [2024-11-28 02:56:07,799 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:56:07,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-28 02:56:07,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:07,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-28 02:56:07,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1120, Unknown=37, NotChecked=518, Total=1806 [2024-11-28 02:56:07,803 INFO L87 Difference]: Start difference. First operand 309 states and 428 transitions. Second operand has 32 states, 26 states have (on average 5.461538461538462) internal successors, (142), 26 states have internal predecessors, (142), 14 states have call successors, (33), 10 states have call predecessors, (33), 13 states have return successors, (32), 13 states have call predecessors, (32), 14 states have call successors, (32) [2024-11-28 02:56:10,622 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((v_DerPreprocessor_10 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31| Int) (v_DerPreprocessor_9 (Array Int Int))) (let ((.cse0 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31|))) (let ((.cse1 (select .cse0 24))) (let ((.cse2 (select (store (store |c_#memory_$Pointer$#2.base| .cse1 v_DerPreprocessor_9) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31| v_DerPreprocessor_10) .cse1))) (and (= (select .cse0 0) .cse1) (= v_DerPreprocessor_10 (store .cse2 24 .cse1)) (<= (+ 2 .cse1) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_31|) (= (select |c_#memory_$Pointer$#2.base| .cse1) .cse2)))))) (exists ((v_DerPreprocessor_3 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23| Int)) (let ((.cse5 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23|))) (let ((.cse4 (select .cse5 24))) (let ((.cse3 (select (store (store |c_#memory_$Pointer$#2.base| .cse4 v_DerPreprocessor_3) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23| v_DerPreprocessor_4) .cse4))) (and (= .cse3 (select |c_#memory_$Pointer$#2.base| .cse4)) (<= (+ .cse4 2) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_23|) (= .cse4 (select .cse5 0)) (= (store .cse3 24 .cse4) v_DerPreprocessor_4)))))) (exists ((v_DerPreprocessor_7 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| Int) (v_DerPreprocessor_8 (Array Int Int))) (let ((.cse8 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|))) (let ((.cse7 (select .cse8 24))) (let ((.cse6 (select (store (store |c_#memory_$Pointer$#2.base| .cse7 v_DerPreprocessor_7) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30| v_DerPreprocessor_8) .cse7))) (and (= .cse6 (select |c_#memory_$Pointer$#2.base| .cse7)) (<= (+ .cse7 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_30|) (= v_DerPreprocessor_8 (store .cse6 24 .cse7)) (= .cse7 (select .cse8 0))))))) (exists ((v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int)) (|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| Int)) (let ((.cse10 (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|))) (let ((.cse9 (select .cse10 24))) (let ((.cse11 (select (store (store |c_#memory_$Pointer$#2.base| .cse9 v_DerPreprocessor_5) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29| v_DerPreprocessor_6) .cse9))) (and (= .cse9 (select .cse10 0)) (= v_DerPreprocessor_6 (store .cse11 24 .cse9)) (<= (+ .cse9 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_29|) (= (select |c_#memory_$Pointer$#2.base| .cse9) .cse11)))))) (exists ((|v_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base_BEFORE_CALL_9| Int)) (and (<= (+ |c_#StackHeapBarrier| 1) |v_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base_BEFORE_CALL_9|) (= (select |c_#valid| |v_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base_BEFORE_CALL_9|) 1)))) is different from true [2024-11-28 02:56:19,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:19,384 INFO L93 Difference]: Finished difference Result 946 states and 1298 transitions. [2024-11-28 02:56:19,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-28 02:56:19,384 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 26 states have (on average 5.461538461538462) internal successors, (142), 26 states have internal predecessors, (142), 14 states have call successors, (33), 10 states have call predecessors, (33), 13 states have return successors, (32), 13 states have call predecessors, (32), 14 states have call successors, (32) Word has length 134 [2024-11-28 02:56:19,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:19,394 INFO L225 Difference]: With dead ends: 946 [2024-11-28 02:56:19,395 INFO L226 Difference]: Without dead ends: 663 [2024-11-28 02:56:19,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 218 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=268, Invalid=3204, Unknown=100, NotChecked=984, Total=4556 [2024-11-28 02:56:19,406 INFO L435 NwaCegarLoop]: 310 mSDtfsCounter, 191 mSDsluCounter, 4268 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 14 mSolverCounterUnsat, 94 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 4968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 94 IncrementalHoareTripleChecker+Unknown, 3254 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:19,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 4578 Invalid, 4968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1606 Invalid, 94 Unknown, 3254 Unchecked, 7.1s Time] [2024-11-28 02:56:19,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-28 02:56:19,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 648. [2024-11-28 02:56:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 450 states have (on average 1.2555555555555555) internal successors, (565), 463 states have internal predecessors, (565), 142 states have call successors, (142), 46 states have call predecessors, (142), 55 states have return successors, (184), 138 states have call predecessors, (184), 138 states have call successors, (184) [2024-11-28 02:56:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 891 transitions. [2024-11-28 02:56:19,611 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 891 transitions. Word has length 134 [2024-11-28 02:56:19,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:19,613 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 891 transitions. [2024-11-28 02:56:19,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 26 states have (on average 5.461538461538462) internal successors, (142), 26 states have internal predecessors, (142), 14 states have call successors, (33), 10 states have call predecessors, (33), 13 states have return successors, (32), 13 states have call predecessors, (32), 14 states have call successors, (32) [2024-11-28 02:56:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 891 transitions. [2024-11-28 02:56:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 02:56:19,628 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:19,629 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:19,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 02:56:19,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 02:56:19,830 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:19,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:19,830 INFO L85 PathProgramCache]: Analyzing trace with hash -102036893, now seen corresponding path program 1 times [2024-11-28 02:56:19,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:19,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708515671] [2024-11-28 02:56:19,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:19,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 39 proven. 25 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-28 02:56:24,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:24,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708515671] [2024-11-28 02:56:24,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708515671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:56:24,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018756582] [2024-11-28 02:56:24,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:24,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:56:24,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:56:24,709 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:56:24,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc37c37-74f9-402f-b488-52afc556a6b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 02:56:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:25,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 108 conjuncts are in the unsatisfiable core [2024-11-28 02:56:25,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:56:25,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:56:25,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:56:25,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2024-11-28 02:56:25,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:56:25,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-11-28 02:56:25,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2024-11-28 02:56:29,589 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_36| Int)) (and (<= 2 |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_36|) (<= (+ (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_36|) 24) 2) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_36|))) is different from true [2024-11-28 02:56:33,743 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_37| Int)) (and (<= (+ 2 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_37|) 24)) |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_37|) (<= 2 |v_ULTIMATE.start_aws_linked_list_pop_front_harness_~#list~0#1.base_BEFORE_CALL_37|))) is different from true [2024-11-28 02:56:37,887 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_31| Int)) (and (<= 2 |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_31|) (<= (+ 2 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_31|) 24)) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_31|))) is different from true [2024-11-28 02:56:46,241 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_32| Int)) (and (<= (+ 2 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_32|) 24)) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_32|) (<= 2 |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_32|))) is different from true [2024-11-28 02:56:50,332 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_33| Int)) (and (<= 2 |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_33|) (<= (+ 2 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_33|) 24)) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_33|))) is different from true [2024-11-28 02:56:54,683 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_34| Int)) (and (<= (+ (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_34|) 24) 2) |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_34|) (<= 2 |v_ULTIMATE.start_aws_linked_list_pop_front_~list#1.base_BEFORE_CALL_34|))) is different from true [2024-11-28 02:56:58,822 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_front_~list#1.base_BEFORE_CALL_25| Int)) (and (<= (+ (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_front_~list#1.base_BEFORE_CALL_25|) 24) 2) |v_ULTIMATE.start_aws_linked_list_front_~list#1.base_BEFORE_CALL_25|) (<= 2 |v_ULTIMATE.start_aws_linked_list_front_~list#1.base_BEFORE_CALL_25|))) is different from true [2024-11-28 02:58:12,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-28 02:58:12,517 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-28 02:58:12,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 1 [2024-11-28 02:58:12,521 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 107 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 85 not checked. [2024-11-28 02:58:12,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:58:16,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018756582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:58:16,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:58:16,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 28] total 45 [2024-11-28 02:58:16,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761025465] [2024-11-28 02:58:16,913 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:58:16,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-28 02:58:16,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:16,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-28 02:58:16,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1375, Unknown=17, NotChecked=560, Total=2070 [2024-11-28 02:58:16,916 INFO L87 Difference]: Start difference. First operand 648 states and 891 transitions. Second operand has 45 states, 41 states have (on average 4.2682926829268295) internal successors, (175), 41 states have internal predecessors, (175), 18 states have call successors, (36), 10 states have call predecessors, (36), 16 states have return successors, (35), 15 states have call predecessors, (35), 18 states have call successors, (35) [2024-11-28 02:58:20,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:24,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:28,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:33,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:45,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:53,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:58:57,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:59:05,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:59:09,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:01:59,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:19,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:23,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:27,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:31,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:35,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:39,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:44,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:48,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:52,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:02:56,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:03:00,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:03:04,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:03:48,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:04:05,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:04:25,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:04:29,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:04:33,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:04:37,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:04:41,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:04:45,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:04:49,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:04:53,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:04:57,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:05:01,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:05:05,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:05:09,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:05:29,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:05:33,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:05:37,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:05,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:09,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:13,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:17,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:21,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:25,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:29,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:33,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:37,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:41,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:45,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:49,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:53,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:06:57,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:07:02,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:07:06,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:07:10,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:07:14,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:07:18,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:07:22,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:07:38,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:07:42,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:07:46,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:07:50,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:07:54,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:06,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:10,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:14,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:18,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:22,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:26,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:30,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:34,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:38,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:43,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:47,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:51,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:55,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:08:59,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:09:03,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:09:07,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:09:11,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:09:15,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:09:19,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:09:23,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]