./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX --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 3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:32:15,678 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:32:15,798 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-08 18:32:15,809 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:32:15,811 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:32:15,858 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:32:15,860 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:32:15,861 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:32:15,861 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:32:15,863 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 18:32:15,865 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:32:15,865 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:32:15,866 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:32:15,867 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 18:32:15,867 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 18:32:15,868 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:32:15,871 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:32:15,872 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 18:32:15,872 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 18:32:15,873 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:32:15,873 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:32:15,877 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:32:15,878 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 18:32:15,878 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 18:32:15,879 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 18:32:15,879 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:32:15,879 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 18:32:15,880 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:32:15,880 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 18:32:15,880 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:32:15,881 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:32:15,883 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:32:15,883 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:32:15,884 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 18:32:15,898 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:32:15,899 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:32:15,900 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:32:15,900 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:32:15,901 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:32:15,901 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX
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 -> 3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1
[2024-11-08 18:32:16,240 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:32:16,276 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:32:16,280 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:32:16,282 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 18:32:16,283 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 18:32:16,284 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i
Unable to find full path for "g++"
[2024-11-08 18:32:18,493 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:32:19,159 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 18:32:19,160 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i
[2024-11-08 18:32:19,219 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/data/f723c8153/c10c2788805644a4816ba5131120f690/FLAGbb7811ca0
[2024-11-08 18:32:19,240 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/data/f723c8153/c10c2788805644a4816ba5131120f690
[2024-11-08 18:32:19,247 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:32:19,251 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:32:19,252 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:32:19,254 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:32:19,261 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:32:19,263 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:32:19" (1/1) ...
[2024-11-08 18:32:19,266 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c398c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:19, skipping insertion in model container
[2024-11-08 18:32:19,267 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:32:19" (1/1) ...
[2024-11-08 18:32:19,399 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:32:19,783 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_ee4dac97-6857-4db8-90a5-da371730fa63/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519]
[2024-11-08 18:32:19,793 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_ee4dac97-6857-4db8-90a5-da371730fa63/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579]
[2024-11-08 18:32:20,914 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:20,915 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:20,916 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:20,917 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:20,919 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:20,937 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:20,938 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:20,941 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:20,942 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:20,945 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:20,946 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:20,948 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:20,948 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:21,880 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:21,880 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:21,892 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:21,912 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,081 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,085 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,085 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,086 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,086 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,087 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,088 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,089 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,090 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,090 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,091 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,091 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,092 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,099 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,099 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,101 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,102 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,109 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,113 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,124 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,129 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,129 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,154 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:32:22,194 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 18:32:22,219 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_ee4dac97-6857-4db8-90a5-da371730fa63/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519]
[2024-11-08 18:32:22,224 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_ee4dac97-6857-4db8-90a5-da371730fa63/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579]
[2024-11-08 18:32:22,300 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,302 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,303 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,304 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,304 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,315 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,316 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,317 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,318 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,319 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,320 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,320 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,320 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,455 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,456 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,458 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,465 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,472 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__(""
                         :




                         : "r"(pBuf)




                         : "memory"); [7776-7787]
[2024-11-08 18:32:22,507 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,508 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,510 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,510 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,511 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,511 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,512 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,513 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,513 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,514 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,514 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,514 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,515 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,516 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,516 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,516 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,517 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,519 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,520 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,527 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,528 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,528 WARN  L1698              CHandler]: Possible shadowing of function index
[2024-11-08 18:32:22,536 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:32:22,912 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 18:32:22,913 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22 WrapperNode
[2024-11-08 18:32:22,913 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:32:22,915 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:32:22,915 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:32:22,915 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:32:22,924 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (1/1) ...
[2024-11-08 18:32:23,037 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (1/1) ...
[2024-11-08 18:32:23,147 INFO  L138                Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 951
[2024-11-08 18:32:23,148 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:32:23,148 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:32:23,149 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:32:23,149 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:32:23,164 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (1/1) ...
[2024-11-08 18:32:23,164 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (1/1) ...
[2024-11-08 18:32:23,183 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (1/1) ...
[2024-11-08 18:32:23,328 INFO  L175           MemorySlicer]: Split 347 memory accesses to 6 slices as follows [2, 238, 69, 3, 18, 17]. 69 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 6, 0, 1, 5, 4]. The 259 writes are split as follows [0, 232, 17, 1, 6, 3].
[2024-11-08 18:32:23,331 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (1/1) ...
[2024-11-08 18:32:23,331 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (1/1) ...
[2024-11-08 18:32:23,397 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (1/1) ...
[2024-11-08 18:32:23,403 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (1/1) ...
[2024-11-08 18:32:23,417 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (1/1) ...
[2024-11-08 18:32:23,428 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (1/1) ...
[2024-11-08 18:32:23,446 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:32:23,447 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:32:23,450 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:32:23,451 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:32:23,452 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (1/1) ...
[2024-11-08 18:32:23,465 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:32:23,480 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:32:23,496 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:32:23,500 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:32:23,540 INFO  L130     BoogieDeclarations]: Found specification of procedure s_sift_either
[2024-11-08 18:32:23,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure s_sift_either
[2024-11-08 18:32:23,540 INFO  L130     BoogieDeclarations]: Found specification of procedure s_swap
[2024-11-08 18:32:23,541 INFO  L138     BoogieDeclarations]: Found implementation of procedure s_swap
[2024-11-08 18:32:23,541 INFO  L130     BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed
[2024-11-08 18:32:23,541 INFO  L138     BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed
[2024-11-08 18:32:23,541 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 18:32:23,541 INFO  L130     BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded
[2024-11-08 18:32:23,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded
[2024-11-08 18:32:23,542 INFO  L130     BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid
[2024-11-08 18:32:23,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid
[2024-11-08 18:32:23,543 INFO  L130     BoogieDeclarations]: Found specification of procedure nondet_bool
[2024-11-08 18:32:23,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure nondet_bool
[2024-11-08 18:32:23,543 INFO  L130     BoogieDeclarations]: Found specification of procedure s_sift_up
[2024-11-08 18:32:23,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure s_sift_up
[2024-11-08 18:32:23,543 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2024-11-08 18:32:23,543 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2024-11-08 18:32:23,543 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2024-11-08 18:32:23,544 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2024-11-08 18:32:23,544 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2024-11-08 18:32:23,544 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#5
[2024-11-08 18:32:23,544 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 18:32:23,544 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 18:32:23,544 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-08 18:32:23,544 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-08 18:32:23,544 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-08 18:32:23,545 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-08 18:32:23,545 INFO  L130     BoogieDeclarations]: Found specification of procedure aws_raise_error
[2024-11-08 18:32:23,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure aws_raise_error
[2024-11-08 18:32:23,545 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-08 18:32:23,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-08 18:32:23,545 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 18:32:23,545 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:32:23,546 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-08 18:32:23,546 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-08 18:32:23,546 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-08 18:32:23,546 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2024-11-08 18:32:23,546 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#4
[2024-11-08 18:32:23,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#5
[2024-11-08 18:32:23,548 INFO  L130     BoogieDeclarations]: Found specification of procedure my_abort
[2024-11-08 18:32:23,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure my_abort
[2024-11-08 18:32:23,548 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy_impl
[2024-11-08 18:32:23,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure memcpy_impl
[2024-11-08 18:32:23,548 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:32:23,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:32:23,549 INFO  L130     BoogieDeclarations]: Found specification of procedure bounded_malloc
[2024-11-08 18:32:23,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure bounded_malloc
[2024-11-08 18:32:23,549 INFO  L130     BoogieDeclarations]: Found specification of procedure nondet_size_t
[2024-11-08 18:32:23,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure nondet_size_t
[2024-11-08 18:32:23,550 INFO  L130     BoogieDeclarations]: Found specification of procedure aws_mul_size_checked
[2024-11-08 18:32:23,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked
[2024-11-08 18:32:23,550 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0
[2024-11-08 18:32:23,550 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1
[2024-11-08 18:32:23,550 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2
[2024-11-08 18:32:23,550 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3
[2024-11-08 18:32:23,551 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4
[2024-11-08 18:32:23,551 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5
[2024-11-08 18:32:23,552 INFO  L130     BoogieDeclarations]: Found specification of procedure can_fail_malloc
[2024-11-08 18:32:23,552 INFO  L138     BoogieDeclarations]: Found implementation of procedure can_fail_malloc
[2024-11-08 18:32:23,552 INFO  L130     BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid
[2024-11-08 18:32:23,552 INFO  L138     BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid
[2024-11-08 18:32:23,553 INFO  L130     BoogieDeclarations]: Found specification of procedure aws_array_list_length
[2024-11-08 18:32:23,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure aws_array_list_length
[2024-11-08 18:32:23,553 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 18:32:23,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 18:32:23,553 INFO  L130     BoogieDeclarations]: Found specification of procedure my_memcpy
[2024-11-08 18:32:23,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure my_memcpy
[2024-11-08 18:32:23,553 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 18:32:23,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-08 18:32:23,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-08 18:32:23,555 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-08 18:32:23,555 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-08 18:32:23,555 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-08 18:32:23,555 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-08 18:32:23,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-08 18:32:23,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-08 18:32:23,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-08 18:32:23,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-08 18:32:23,555 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-08 18:32:23,556 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-11-08 18:32:23,556 INFO  L130     BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr
[2024-11-08 18:32:23,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr
[2024-11-08 18:32:23,556 INFO  L130     BoogieDeclarations]: Found specification of procedure can_fail_allocator
[2024-11-08 18:32:23,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure can_fail_allocator
[2024-11-08 18:32:23,556 INFO  L130     BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult
[2024-11-08 18:32:23,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult
[2024-11-08 18:32:23,556 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 18:32:23,558 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 18:32:23,558 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-08 18:32:23,558 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-08 18:32:23,558 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-08 18:32:23,558 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-08 18:32:23,558 INFO  L130     BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member
[2024-11-08 18:32:23,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member
[2024-11-08 18:32:23,559 INFO  L130     BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid
[2024-11-08 18:32:23,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid
[2024-11-08 18:32:23,559 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int
[2024-11-08 18:32:23,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int
[2024-11-08 18:32:23,559 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:32:23,559 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 18:32:23,559 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-08 18:32:23,560 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-08 18:32:23,560 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-08 18:32:23,560 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-11-08 18:32:24,099 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 18:32:24,104 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:32:30,832 INFO  L?                        ?]: Removed 225 outVars from TransFormulas that were not future-live.
[2024-11-08 18:32:30,833 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 18:32:30,868 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:32:30,869 INFO  L316             CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-08 18:32:30,869 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:32:30 BoogieIcfgContainer
[2024-11-08 18:32:30,869 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:32:30,875 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:32:30,875 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:32:30,879 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:32:30,879 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:32:19" (1/3) ...
[2024-11-08 18:32:30,882 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76178f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:32:30, skipping insertion in model container
[2024-11-08 18:32:30,882 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:22" (2/3) ...
[2024-11-08 18:32:30,883 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76178f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:32:30, skipping insertion in model container
[2024-11-08 18:32:30,883 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:32:30" (3/3) ...
[2024-11-08 18:32:30,885 INFO  L112   eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_either_harness.i
[2024-11-08 18:32:30,906 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:32:30,906 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 18:32:31,020 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:32:31,032 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;@5933b2c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:32:31,033 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-08 18:32:31,039 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 369 states, 221 states have (on average 1.244343891402715) internal successors, (275), 224 states have internal predecessors, (275), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120)
[2024-11-08 18:32:31,068 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 139
[2024-11-08 18:32:31,068 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:32:31,070 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:32:31,071 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:32:31,077 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:31,077 INFO  L85        PathProgramCache]: Analyzing trace with hash 1276222032, now seen corresponding path program 1 times
[2024-11-08 18:32:31,089 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:32:31,091 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507263746]
[2024-11-08 18:32:31,091 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:31,092 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:32:38,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,355 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:32:39,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,379 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:32:39,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,404 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 18:32:39,406 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,419 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:32:39,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,439 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 18:32:39,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,455 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:32:39,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,469 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:32:39,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,495 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 18:32:39,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,524 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:32:39,529 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,785 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:32:39,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,824 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:32:39,826 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,835 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:32:39,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,849 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 18:32:39,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,884 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:32:39,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,897 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:32:39,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:40,077 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:32:40,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:40,097 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-08 18:32:40,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:40,109 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96
[2024-11-08 18:32:40,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:40,123 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101
[2024-11-08 18:32:40,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:40,134 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 18:32:40,137 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:40,156 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-08 18:32:40,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:40,168 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2024-11-08 18:32:40,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:40,182 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2024-11-08 18:32:40,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:40,201 INFO  L134       CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked.
[2024-11-08 18:32:40,201 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:32:40,202 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507263746]
[2024-11-08 18:32:40,202 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507263746] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:40,203 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:40,203 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:32:40,206 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820035545]
[2024-11-08 18:32:40,206 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:40,212 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:32:40,213 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:32:40,247 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:32:40,248 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:32:40,253 INFO  L87              Difference]: Start difference. First operand  has 369 states, 221 states have (on average 1.244343891402715) internal successors, (275), 224 states have internal predecessors, (275), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) Second operand  has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2024-11-08 18:32:44,411 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 18:32:48,759 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 18:32:59,869 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:32:59,869 INFO  L93              Difference]: Finished difference Result 854 states and 1368 transitions.
[2024-11-08 18:32:59,870 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:32:59,872 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138
[2024-11-08 18:32:59,873 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:32:59,892 INFO  L225             Difference]: With dead ends: 854
[2024-11-08 18:32:59,892 INFO  L226             Difference]: Without dead ends: 503
[2024-11-08 18:32:59,902 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:32:59,906 INFO  L432           NwaCegarLoop]: 224 mSDtfsCounter, 311 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 472 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:32:59,907 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 413 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 756 Invalid, 2 Unknown, 0 Unchecked, 19.0s Time]
[2024-11-08 18:32:59,931 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 503 states.
[2024-11-08 18:33:00,022 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 362.
[2024-11-08 18:33:00,024 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 362 states, 216 states have (on average 1.2268518518518519) internal successors, (265), 218 states have internal predecessors, (265), 120 states have call successors, (120), 25 states have call predecessors, (120), 24 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118)
[2024-11-08 18:33:00,030 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 503 transitions.
[2024-11-08 18:33:00,033 INFO  L78                 Accepts]: Start accepts. Automaton has 362 states and 503 transitions. Word has length 138
[2024-11-08 18:33:00,034 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:33:00,034 INFO  L471      AbstractCegarLoop]: Abstraction has 362 states and 503 transitions.
[2024-11-08 18:33:00,035 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2024-11-08 18:33:00,035 INFO  L276                IsEmpty]: Start isEmpty. Operand 362 states and 503 transitions.
[2024-11-08 18:33:00,039 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 139
[2024-11-08 18:33:00,039 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:33:00,039 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:33:00,040 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:33:00,040 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:33:00,041 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:33:00,041 INFO  L85        PathProgramCache]: Analyzing trace with hash 1212707158, now seen corresponding path program 1 times
[2024-11-08 18:33:00,041 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:33:00,042 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858427052]
[2024-11-08 18:33:00,042 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:33:00,042 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:33:07,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:08,605 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:33:08,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:08,622 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:33:08,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:08,637 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 18:33:08,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:08,652 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:33:08,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:08,668 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 18:33:08,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:08,683 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:33:08,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:08,701 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:33:08,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:08,733 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 18:33:08,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:08,756 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:33:08,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,105 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:33:09,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,143 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:33:09,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,153 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:33:09,154 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,163 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 18:33:09,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,192 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:33:09,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,203 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:33:09,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,488 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:33:09,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,840 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-08 18:33:09,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,854 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96
[2024-11-08 18:33:09,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,865 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101
[2024-11-08 18:33:09,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,877 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 18:33:09,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,942 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-08 18:33:09,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,954 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2024-11-08 18:33:09,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,967 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2024-11-08 18:33:09,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:09,982 INFO  L134       CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked.
[2024-11-08 18:33:09,982 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:33:09,982 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858427052]
[2024-11-08 18:33:09,983 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858427052] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:33:09,983 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31107046]
[2024-11-08 18:33:09,983 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:33:09,984 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:33:09,984 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:33:09,988 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:33:09,990 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 18:33:17,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:17,741 INFO  L255         TraceCheckSpWp]: Trace formula consists of 4408 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-08 18:33:17,758 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:33:17,944 INFO  L134       CoverageAnalysis]: Checked inductivity of 174 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked.
[2024-11-08 18:33:17,944 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:33:17,945 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [31107046] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:33:17,945 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:33:17,945 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8
[2024-11-08 18:33:17,946 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085883269]
[2024-11-08 18:33:17,946 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:33:17,947 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:33:17,947 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:33:17,948 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:33:17,948 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:33:17,948 INFO  L87              Difference]: Start difference. First operand 362 states and 503 transitions. Second operand  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2024-11-08 18:33:18,055 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:33:18,055 INFO  L93              Difference]: Finished difference Result 447 states and 613 transitions.
[2024-11-08 18:33:18,056 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:33:18,056 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138
[2024-11-08 18:33:18,057 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:33:18,061 INFO  L225             Difference]: With dead ends: 447
[2024-11-08 18:33:18,062 INFO  L226             Difference]: Without dead ends: 363
[2024-11-08 18:33:18,063 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:33:18,064 INFO  L432           NwaCegarLoop]: 502 mSDtfsCounter, 0 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:33:18,065 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 999 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:33:18,067 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 363 states.
[2024-11-08 18:33:18,134 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363.
[2024-11-08 18:33:18,135 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 363 states, 217 states have (on average 1.2258064516129032) internal successors, (266), 219 states have internal predecessors, (266), 120 states have call successors, (120), 25 states have call predecessors, (120), 24 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118)
[2024-11-08 18:33:18,140 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 504 transitions.
[2024-11-08 18:33:18,141 INFO  L78                 Accepts]: Start accepts. Automaton has 363 states and 504 transitions. Word has length 138
[2024-11-08 18:33:18,142 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:33:18,142 INFO  L471      AbstractCegarLoop]: Abstraction has 363 states and 504 transitions.
[2024-11-08 18:33:18,142 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2024-11-08 18:33:18,143 INFO  L276                IsEmpty]: Start isEmpty. Operand 363 states and 504 transitions.
[2024-11-08 18:33:18,146 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2024-11-08 18:33:18,149 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:33:18,150 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:33:18,186 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 18:33:18,353 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2024-11-08 18:33:18,354 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:33:18,357 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:33:18,357 INFO  L85        PathProgramCache]: Analyzing trace with hash -1507267369, now seen corresponding path program 1 times
[2024-11-08 18:33:18,357 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:33:18,357 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924805362]
[2024-11-08 18:33:18,358 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:33:18,358 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:33:24,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,117 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:33:26,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,138 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:33:26,140 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,149 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 18:33:26,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,164 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:33:26,166 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,183 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 18:33:26,186 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,196 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:33:26,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,213 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:33:26,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,236 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 18:33:26,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,257 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:33:26,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,575 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:33:26,588 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,618 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:33:26,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,628 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:33:26,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,636 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 18:33:26,645 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,665 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:33:26,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,674 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:33:26,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:26,970 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:33:26,973 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:27,353 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-08 18:33:27,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:27,363 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96
[2024-11-08 18:33:27,365 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:27,373 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101
[2024-11-08 18:33:27,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:27,384 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 18:33:27,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:27,395 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-08 18:33:27,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:27,405 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2024-11-08 18:33:27,406 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:27,415 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2024-11-08 18:33:27,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:27,424 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2024-11-08 18:33:27,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:27,434 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2024-11-08 18:33:27,438 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:27,447 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-08 18:33:27,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:27,457 INFO  L134       CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked.
[2024-11-08 18:33:27,458 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:33:27,458 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924805362]
[2024-11-08 18:33:27,460 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924805362] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:33:27,460 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776651707]
[2024-11-08 18:33:27,461 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:33:27,461 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:33:27,461 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:33:27,464 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:33:27,466 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 18:33:35,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:35,435 INFO  L255         TraceCheckSpWp]: Trace formula consists of 4532 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:33:35,444 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:33:36,864 INFO  L134       CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-08 18:33:36,864 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:33:36,864 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776651707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:33:36,864 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:33:36,865 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2024-11-08 18:33:36,865 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897549456]
[2024-11-08 18:33:36,865 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:33:36,866 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:33:36,866 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:33:36,868 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:33:36,869 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2024-11-08 18:33:36,869 INFO  L87              Difference]: Start difference. First operand 363 states and 504 transitions. Second operand  has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24)
[2024-11-08 18:33:40,096 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:33:40,097 INFO  L93              Difference]: Finished difference Result 680 states and 954 transitions.
[2024-11-08 18:33:40,098 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-08 18:33:40,098 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 157
[2024-11-08 18:33:40,099 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:33:40,104 INFO  L225             Difference]: With dead ends: 680
[2024-11-08 18:33:40,104 INFO  L226             Difference]: Without dead ends: 365
[2024-11-08 18:33:40,107 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182
[2024-11-08 18:33:40,109 INFO  L432           NwaCegarLoop]: 452 mSDtfsCounter, 502 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time
[2024-11-08 18:33:40,109 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 1766 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time]
[2024-11-08 18:33:40,111 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 365 states.
[2024-11-08 18:33:40,152 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365.
[2024-11-08 18:33:40,153 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 365 states, 218 states have (on average 1.224770642201835) internal successors, (267), 221 states have internal predecessors, (267), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (126), 118 states have call predecessors, (126), 118 states have call successors, (126)
[2024-11-08 18:33:40,157 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 513 transitions.
[2024-11-08 18:33:40,159 INFO  L78                 Accepts]: Start accepts. Automaton has 365 states and 513 transitions. Word has length 157
[2024-11-08 18:33:40,159 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:33:40,160 INFO  L471      AbstractCegarLoop]: Abstraction has 365 states and 513 transitions.
[2024-11-08 18:33:40,160 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24)
[2024-11-08 18:33:40,160 INFO  L276                IsEmpty]: Start isEmpty. Operand 365 states and 513 transitions.
[2024-11-08 18:33:40,163 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 166
[2024-11-08 18:33:40,163 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:33:40,164 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:33:40,207 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 18:33:40,364 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:33:40,365 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:33:40,366 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:33:40,366 INFO  L85        PathProgramCache]: Analyzing trace with hash 1183723188, now seen corresponding path program 1 times
[2024-11-08 18:33:40,366 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:33:40,367 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212247969]
[2024-11-08 18:33:40,367 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:33:40,367 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:33:46,747 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,208 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:33:48,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,221 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:33:48,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,232 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 18:33:48,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,243 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:33:48,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,256 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 18:33:48,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,269 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:33:48,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,281 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:33:48,286 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,299 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 18:33:48,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,318 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:33:48,320 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,715 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:33:48,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,742 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:33:48,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,750 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:33:48,752 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,758 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 18:33:48,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,782 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:33:48,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:48,790 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:33:48,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:49,038 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:33:49,046 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:49,477 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:33:49,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:50,027 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 18:33:50,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:50,039 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 18:33:50,040 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:50,047 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 18:33:50,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:50,057 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2024-11-08 18:33:50,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:50,067 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123
[2024-11-08 18:33:50,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:50,076 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2024-11-08 18:33:50,078 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:50,086 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2024-11-08 18:33:50,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:50,097 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2024-11-08 18:33:50,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:50,106 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2024-11-08 18:33:50,107 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:50,116 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2024-11-08 18:33:50,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:50,130 INFO  L134       CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked.
[2024-11-08 18:33:50,130 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:33:50,130 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212247969]
[2024-11-08 18:33:50,131 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212247969] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:33:50,131 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045803546]
[2024-11-08 18:33:50,132 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:33:50,132 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:33:50,132 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:33:50,134 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:33:50,138 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 18:33:57,708 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:33:57,729 INFO  L255         TraceCheckSpWp]: Trace formula consists of 4582 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-08 18:33:57,734 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:33:59,786 INFO  L134       CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-08 18:33:59,787 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:33:59,787 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045803546] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:33:59,787 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:33:59,787 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15
[2024-11-08 18:33:59,788 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806097562]
[2024-11-08 18:33:59,792 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:33:59,793 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 18:33:59,793 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:33:59,794 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 18:33:59,794 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210
[2024-11-08 18:33:59,795 INFO  L87              Difference]: Start difference. First operand 365 states and 513 transitions. Second operand  has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25)
[2024-11-08 18:34:05,313 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:34:05,313 INFO  L93              Difference]: Finished difference Result 703 states and 1009 transitions.
[2024-11-08 18:34:05,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-08 18:34:05,315 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 165
[2024-11-08 18:34:05,315 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:34:05,322 INFO  L225             Difference]: With dead ends: 703
[2024-11-08 18:34:05,323 INFO  L226             Difference]: Without dead ends: 386
[2024-11-08 18:34:05,326 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420
[2024-11-08 18:34:05,327 INFO  L432           NwaCegarLoop]: 437 mSDtfsCounter, 550 mSDsluCounter, 2115 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 2552 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time
[2024-11-08 18:34:05,328 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 2552 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time]
[2024-11-08 18:34:05,329 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 386 states.
[2024-11-08 18:34:05,384 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 384.
[2024-11-08 18:34:05,385 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 384 states, 234 states have (on average 1.235042735042735) internal successors, (289), 237 states have internal predecessors, (289), 122 states have call successors, (122), 25 states have call predecessors, (122), 26 states have return successors, (139), 121 states have call predecessors, (139), 120 states have call successors, (139)
[2024-11-08 18:34:05,389 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 550 transitions.
[2024-11-08 18:34:05,391 INFO  L78                 Accepts]: Start accepts. Automaton has 384 states and 550 transitions. Word has length 165
[2024-11-08 18:34:05,392 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:34:05,393 INFO  L471      AbstractCegarLoop]: Abstraction has 384 states and 550 transitions.
[2024-11-08 18:34:05,393 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25)
[2024-11-08 18:34:05,393 INFO  L276                IsEmpty]: Start isEmpty. Operand 384 states and 550 transitions.
[2024-11-08 18:34:05,399 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-08 18:34:05,399 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:34:05,399 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:34:05,436 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-08 18:34:05,600 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:34:05,601 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:34:05,601 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:34:05,601 INFO  L85        PathProgramCache]: Analyzing trace with hash -29593123, now seen corresponding path program 1 times
[2024-11-08 18:34:05,601 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:34:05,601 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744004477]
[2024-11-08 18:34:05,601 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:34:05,602 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:34:11,627 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,216 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:34:13,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,230 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:34:13,232 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,243 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 18:34:13,245 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,258 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:34:13,260 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,271 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 18:34:13,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,283 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:34:13,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,297 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:34:13,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,318 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 18:34:13,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,340 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:34:13,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,703 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:34:13,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,730 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:34:13,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,739 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:34:13,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,747 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 18:34:13,754 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,772 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:34:13,774 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:13,782 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:34:13,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:14,091 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:34:14,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:14,803 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:34:14,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,188 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:34:15,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,209 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:34:15,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,223 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113
[2024-11-08 18:34:15,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,235 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-08 18:34:15,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,251 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2024-11-08 18:34:15,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,265 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2024-11-08 18:34:15,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,274 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2024-11-08 18:34:15,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,287 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2024-11-08 18:34:15,293 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,301 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2024-11-08 18:34:15,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,310 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2024-11-08 18:34:15,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,319 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2024-11-08 18:34:15,321 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,329 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171
[2024-11-08 18:34:15,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:15,339 INFO  L134       CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked.
[2024-11-08 18:34:15,340 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:34:15,340 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744004477]
[2024-11-08 18:34:15,340 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744004477] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:34:15,340 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096173833]
[2024-11-08 18:34:15,341 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:34:15,341 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:34:15,341 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:34:15,343 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:34:15,345 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 18:34:23,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:23,804 INFO  L255         TraceCheckSpWp]: Trace formula consists of 4709 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-08 18:34:23,812 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:34:25,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-08 18:34:25,478 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:34:25,479 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096173833] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:34:25,479 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:34:25,479 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14
[2024-11-08 18:34:25,479 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482269779]
[2024-11-08 18:34:25,479 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:34:25,480 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-08 18:34:25,480 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:34:25,481 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-08 18:34:25,481 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182
[2024-11-08 18:34:25,481 INFO  L87              Difference]: Start difference. First operand 384 states and 550 transitions. Second operand  has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27)
[2024-11-08 18:34:29,175 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:34:29,175 INFO  L93              Difference]: Finished difference Result 726 states and 1057 transitions.
[2024-11-08 18:34:29,176 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-08 18:34:29,176 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 180
[2024-11-08 18:34:29,177 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:34:29,182 INFO  L225             Difference]: With dead ends: 726
[2024-11-08 18:34:29,183 INFO  L226             Difference]: Without dead ends: 390
[2024-11-08 18:34:29,186 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306
[2024-11-08 18:34:29,187 INFO  L432           NwaCegarLoop]: 444 mSDtfsCounter, 518 mSDsluCounter, 1708 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 2152 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:34:29,187 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 2152 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time]
[2024-11-08 18:34:29,189 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 390 states.
[2024-11-08 18:34:29,226 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 384.
[2024-11-08 18:34:29,227 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 384 states, 234 states have (on average 1.235042735042735) internal successors, (289), 237 states have internal predecessors, (289), 122 states have call successors, (122), 25 states have call predecessors, (122), 26 states have return successors, (139), 121 states have call predecessors, (139), 120 states have call successors, (139)
[2024-11-08 18:34:29,230 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 550 transitions.
[2024-11-08 18:34:29,232 INFO  L78                 Accepts]: Start accepts. Automaton has 384 states and 550 transitions. Word has length 180
[2024-11-08 18:34:29,233 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:34:29,233 INFO  L471      AbstractCegarLoop]: Abstraction has 384 states and 550 transitions.
[2024-11-08 18:34:29,233 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27)
[2024-11-08 18:34:29,233 INFO  L276                IsEmpty]: Start isEmpty. Operand 384 states and 550 transitions.
[2024-11-08 18:34:29,237 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 197
[2024-11-08 18:34:29,237 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:34:29,237 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:34:29,272 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-08 18:34:29,438 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:34:29,438 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:34:29,439 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:34:29,439 INFO  L85        PathProgramCache]: Analyzing trace with hash -2087545937, now seen corresponding path program 1 times
[2024-11-08 18:34:29,439 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:34:29,439 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524104677]
[2024-11-08 18:34:29,439 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:34:29,439 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:34:35,521 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,051 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:34:37,054 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,062 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:34:37,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,071 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 18:34:37,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,080 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:34:37,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,090 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 18:34:37,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,099 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:34:37,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,108 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:34:37,113 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,124 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 18:34:37,129 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,140 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:34:37,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,484 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:34:37,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,509 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:34:37,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,517 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:34:37,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,524 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 18:34:37,530 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,545 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:34:37,546 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,555 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:34:37,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:37,830 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:34:37,858 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:38,573 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:34:38,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:38,876 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:34:38,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:38,892 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:34:38,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:38,903 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 18:34:38,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:39,374 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2024-11-08 18:34:39,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:39,383 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2024-11-08 18:34:39,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:39,391 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2024-11-08 18:34:39,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:39,400 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2024-11-08 18:34:39,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:39,409 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154
[2024-11-08 18:34:39,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:39,418 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2024-11-08 18:34:39,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:39,428 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169
[2024-11-08 18:34:39,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:39,437 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174
[2024-11-08 18:34:39,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:39,446 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180
[2024-11-08 18:34:39,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:39,456 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187
[2024-11-08 18:34:39,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:39,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 250 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked.
[2024-11-08 18:34:39,466 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:34:39,466 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524104677]
[2024-11-08 18:34:39,466 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524104677] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:34:39,466 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74459445]
[2024-11-08 18:34:39,467 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:34:39,467 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:34:39,467 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:34:39,469 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:34:39,471 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 18:34:47,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:34:47,650 INFO  L255         TraceCheckSpWp]: Trace formula consists of 4781 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-08 18:34:47,660 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:34:50,245 INFO  L134       CoverageAnalysis]: Checked inductivity of 250 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.
[2024-11-08 18:34:50,245 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:34:50,245 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [74459445] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:34:50,245 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:34:50,245 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18
[2024-11-08 18:34:50,246 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869296518]
[2024-11-08 18:34:50,246 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:34:50,246 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 18:34:50,246 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:34:50,247 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 18:34:50,248 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306
[2024-11-08 18:34:50,248 INFO  L87              Difference]: Start difference. First operand 384 states and 550 transitions. Second operand  has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28)
[2024-11-08 18:34:57,839 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:34:57,840 INFO  L93              Difference]: Finished difference Result 737 states and 1067 transitions.
[2024-11-08 18:34:57,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-08 18:34:57,841 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 196
[2024-11-08 18:34:57,841 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:34:57,846 INFO  L225             Difference]: With dead ends: 737
[2024-11-08 18:34:57,846 INFO  L226             Difference]: Without dead ends: 401
[2024-11-08 18:34:57,849 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650
[2024-11-08 18:34:57,850 INFO  L432           NwaCegarLoop]: 429 mSDtfsCounter, 575 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 2908 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:34:57,851 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 2908 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time]
[2024-11-08 18:34:57,852 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 401 states.
[2024-11-08 18:34:57,887 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 384.
[2024-11-08 18:34:57,888 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 384 states, 234 states have (on average 1.235042735042735) internal successors, (289), 237 states have internal predecessors, (289), 122 states have call successors, (122), 25 states have call predecessors, (122), 26 states have return successors, (139), 121 states have call predecessors, (139), 120 states have call successors, (139)
[2024-11-08 18:34:57,892 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 550 transitions.
[2024-11-08 18:34:57,894 INFO  L78                 Accepts]: Start accepts. Automaton has 384 states and 550 transitions. Word has length 196
[2024-11-08 18:34:57,894 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:34:57,894 INFO  L471      AbstractCegarLoop]: Abstraction has 384 states and 550 transitions.
[2024-11-08 18:34:57,895 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28)
[2024-11-08 18:34:57,895 INFO  L276                IsEmpty]: Start isEmpty. Operand 384 states and 550 transitions.
[2024-11-08 18:34:57,899 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2024-11-08 18:34:57,899 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:34:57,899 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:34:57,941 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-08 18:34:58,100 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:34:58,100 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:34:58,101 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:34:58,101 INFO  L85        PathProgramCache]: Analyzing trace with hash 934603716, now seen corresponding path program 1 times
[2024-11-08 18:34:58,101 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:34:58,101 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686740629]
[2024-11-08 18:34:58,101 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:34:58,102 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:35:04,052 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,553 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:35:05,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,562 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:35:05,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,570 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 18:35:05,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,578 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:35:05,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,586 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 18:35:05,588 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,594 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:35:05,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,602 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:35:05,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,616 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 18:35:05,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,630 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:35:05,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,951 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:35:05,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,978 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:35:05,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,988 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:35:05,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:05,995 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 18:35:06,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,019 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:35:06,020 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,026 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:35:06,027 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,288 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:35:06,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,382 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:35:06,391 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,611 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:35:06,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,626 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:35:06,628 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,634 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 18:35:06,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,659 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:35:06,665 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,674 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:35:06,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,683 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2024-11-08 18:35:06,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,693 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2024-11-08 18:35:06,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,701 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2024-11-08 18:35:06,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:06,713 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2024-11-08 18:35:06,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:07,200 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169
[2024-11-08 18:35:07,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:07,213 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175
[2024-11-08 18:35:07,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:07,221 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184
[2024-11-08 18:35:07,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:07,230 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189
[2024-11-08 18:35:07,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:07,239 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195
[2024-11-08 18:35:07,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:07,246 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202
[2024-11-08 18:35:07,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:07,252 INFO  L134       CoverageAnalysis]: Checked inductivity of 265 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked.
[2024-11-08 18:35:07,252 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:35:07,252 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686740629]
[2024-11-08 18:35:07,252 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686740629] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:35:07,252 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504091882]
[2024-11-08 18:35:07,253 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:35:07,253 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:35:07,253 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:35:07,254 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:35:07,255 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 18:35:15,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:15,539 INFO  L255         TraceCheckSpWp]: Trace formula consists of 4908 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-08 18:35:15,547 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:35:17,702 INFO  L134       CoverageAnalysis]: Checked inductivity of 265 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked.
[2024-11-08 18:35:17,702 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:35:17,702 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [504091882] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:35:17,702 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:35:17,703 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16
[2024-11-08 18:35:17,703 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063874455]
[2024-11-08 18:35:17,703 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:35:17,704 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 18:35:17,704 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:35:17,704 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 18:35:17,705 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240
[2024-11-08 18:35:17,705 INFO  L87              Difference]: Start difference. First operand 384 states and 550 transitions. Second operand  has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28)
[2024-11-08 18:35:22,562 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:35:22,563 INFO  L93              Difference]: Finished difference Result 688 states and 1002 transitions.
[2024-11-08 18:35:22,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-08 18:35:22,564 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 211
[2024-11-08 18:35:22,564 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:35:22,569 INFO  L225             Difference]: With dead ends: 688
[2024-11-08 18:35:22,570 INFO  L226             Difference]: Without dead ends: 386
[2024-11-08 18:35:22,572 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420
[2024-11-08 18:35:22,573 INFO  L432           NwaCegarLoop]: 435 mSDtfsCounter, 546 mSDsluCounter, 2072 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 2507 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:35:22,574 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 2507 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time]
[2024-11-08 18:35:22,575 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 386 states.
[2024-11-08 18:35:22,606 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386.
[2024-11-08 18:35:22,607 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 386 states, 235 states have (on average 1.2340425531914894) internal successors, (290), 239 states have internal predecessors, (290), 122 states have call successors, (122), 25 states have call predecessors, (122), 27 states have return successors, (145), 121 states have call predecessors, (145), 120 states have call successors, (145)
[2024-11-08 18:35:22,611 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 557 transitions.
[2024-11-08 18:35:22,612 INFO  L78                 Accepts]: Start accepts. Automaton has 386 states and 557 transitions. Word has length 211
[2024-11-08 18:35:22,613 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:35:22,613 INFO  L471      AbstractCegarLoop]: Abstraction has 386 states and 557 transitions.
[2024-11-08 18:35:22,614 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28)
[2024-11-08 18:35:22,614 INFO  L276                IsEmpty]: Start isEmpty. Operand 386 states and 557 transitions.
[2024-11-08 18:35:22,618 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 220
[2024-11-08 18:35:22,621 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:35:22,623 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:35:22,661 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-08 18:35:22,824 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:35:22,825 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:35:22,825 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:35:22,826 INFO  L85        PathProgramCache]: Analyzing trace with hash 589255239, now seen corresponding path program 1 times
[2024-11-08 18:35:22,826 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:35:22,826 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747943215]
[2024-11-08 18:35:22,826 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:35:22,827 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:35:28,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,187 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:35:30,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,194 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:35:30,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,202 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 18:35:30,204 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,211 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:35:30,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,219 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 18:35:30,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,228 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:35:30,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,236 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:35:30,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,250 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 18:35:30,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,265 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:35:30,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,566 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:35:30,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,581 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:35:30,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,586 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:35:30,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,593 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 18:35:30,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,613 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:35:30,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,618 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:35:30,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,861 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:35:30,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:30,947 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:35:30,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:31,197 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:35:31,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:31,206 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:35:31,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:31,213 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 18:35:31,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:31,228 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:35:31,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:31,240 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:35:31,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:31,245 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2024-11-08 18:35:31,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:31,251 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2024-11-08 18:35:31,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:31,261 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2024-11-08 18:35:31,263 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:31,269 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2024-11-08 18:35:31,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:31,877 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:35:31,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:32,323 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2024-11-08 18:35:32,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:32,330 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183
[2024-11-08 18:35:32,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:32,337 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192
[2024-11-08 18:35:32,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:32,343 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197
[2024-11-08 18:35:32,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:32,351 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203
[2024-11-08 18:35:32,353 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:32,360 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210
[2024-11-08 18:35:32,362 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:32,369 INFO  L134       CoverageAnalysis]: Checked inductivity of 277 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked.
[2024-11-08 18:35:32,370 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:35:32,370 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747943215]
[2024-11-08 18:35:32,370 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747943215] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:35:32,370 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853469649]
[2024-11-08 18:35:32,371 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:35:32,371 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:35:32,371 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:35:32,373 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:35:32,375 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-08 18:35:40,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:40,737 INFO  L255         TraceCheckSpWp]: Trace formula consists of 4958 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-08 18:35:40,745 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:35:43,775 INFO  L134       CoverageAnalysis]: Checked inductivity of 277 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked.
[2024-11-08 18:35:43,775 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:35:43,775 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [853469649] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:35:43,776 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:35:43,776 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 21
[2024-11-08 18:35:43,776 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710643788]
[2024-11-08 18:35:43,776 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:35:43,777 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 18:35:43,777 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:35:43,778 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 18:35:43,778 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420
[2024-11-08 18:35:43,779 INFO  L87              Difference]: Start difference. First operand 386 states and 557 transitions. Second operand  has 10 states, 9 states have (on average 10.0) internal successors, (90), 9 states have internal predecessors, (90), 5 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29)
[2024-11-08 18:35:52,060 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:35:52,060 INFO  L93              Difference]: Finished difference Result 706 states and 1036 transitions.
[2024-11-08 18:35:52,060 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-08 18:35:52,061 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 9 states have (on average 10.0) internal successors, (90), 9 states have internal predecessors, (90), 5 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 219
[2024-11-08 18:35:52,061 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:35:52,065 INFO  L225             Difference]: With dead ends: 706
[2024-11-08 18:35:52,065 INFO  L226             Difference]: Without dead ends: 402
[2024-11-08 18:35:52,068 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=85, Invalid=727, Unknown=0, NotChecked=0, Total=812
[2024-11-08 18:35:52,069 INFO  L432           NwaCegarLoop]: 435 mSDtfsCounter, 579 mSDsluCounter, 2900 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time
[2024-11-08 18:35:52,070 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 3335 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time]
[2024-11-08 18:35:52,071 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 402 states.
[2024-11-08 18:35:52,106 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 400.
[2024-11-08 18:35:52,107 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 400 states, 248 states have (on average 1.2419354838709677) internal successors, (308), 251 states have internal predecessors, (308), 123 states have call successors, (123), 25 states have call predecessors, (123), 27 states have return successors, (146), 123 states have call predecessors, (146), 121 states have call successors, (146)
[2024-11-08 18:35:52,111 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 577 transitions.
[2024-11-08 18:35:52,113 INFO  L78                 Accepts]: Start accepts. Automaton has 400 states and 577 transitions. Word has length 219
[2024-11-08 18:35:52,113 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:35:52,114 INFO  L471      AbstractCegarLoop]: Abstraction has 400 states and 577 transitions.
[2024-11-08 18:35:52,114 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 10.0) internal successors, (90), 9 states have internal predecessors, (90), 5 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29)
[2024-11-08 18:35:52,114 INFO  L276                IsEmpty]: Start isEmpty. Operand 400 states and 577 transitions.
[2024-11-08 18:35:52,118 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2024-11-08 18:35:52,118 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:35:52,119 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:35:52,162 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-08 18:35:52,319 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:35:52,320 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:35:52,320 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:35:52,320 INFO  L85        PathProgramCache]: Analyzing trace with hash 881443452, now seen corresponding path program 1 times
[2024-11-08 18:35:52,320 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:35:52,320 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862636779]
[2024-11-08 18:35:52,321 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:35:52,321 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:35:58,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:59,894 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:35:59,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:59,900 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:35:59,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:59,906 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 18:35:59,907 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:59,912 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:35:59,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:59,917 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 18:35:59,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:59,924 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:35:59,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:59,929 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:35:59,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:59,941 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 18:35:59,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:35:59,951 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:35:59,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,227 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:36:00,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,243 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:36:00,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,250 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:36:00,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,256 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 18:36:00,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,272 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:36:00,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,277 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:36:00,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,516 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:36:00,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,595 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:36:00,604 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,829 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:36:00,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,839 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:36:00,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,846 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 18:36:00,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,867 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:36:00,872 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,877 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:36:00,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,883 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2024-11-08 18:36:00,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,889 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2024-11-08 18:36:00,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,898 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2024-11-08 18:36:00,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:00,905 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2024-11-08 18:36:00,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:01,495 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:36:01,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:01,524 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:36:01,529 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:01,538 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:36:01,540 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:01,546 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192
[2024-11-08 18:36:01,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:01,554 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198
[2024-11-08 18:36:01,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:01,560 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207
[2024-11-08 18:36:01,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:01,565 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212
[2024-11-08 18:36:01,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:01,572 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218
[2024-11-08 18:36:01,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:01,577 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225
[2024-11-08 18:36:01,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:01,583 INFO  L134       CoverageAnalysis]: Checked inductivity of 307 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked.
[2024-11-08 18:36:01,583 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:36:01,583 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862636779]
[2024-11-08 18:36:01,583 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862636779] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:36:01,584 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439116392]
[2024-11-08 18:36:01,584 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:01,584 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:36:01,584 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:36:01,585 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:36:01,587 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-08 18:36:10,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:10,366 INFO  L255         TraceCheckSpWp]: Trace formula consists of 5085 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-08 18:36:10,374 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:36:12,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 307 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked.
[2024-11-08 18:36:12,829 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:36:12,829 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [439116392] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:36:12,829 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:36:12,829 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18
[2024-11-08 18:36:12,829 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096545438]
[2024-11-08 18:36:12,830 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:36:12,830 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 18:36:12,830 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:36:12,831 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 18:36:12,831 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306
[2024-11-08 18:36:12,832 INFO  L87              Difference]: Start difference. First operand 400 states and 577 transitions. Second operand  has 9 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29)
[2024-11-08 18:36:18,684 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:36:18,684 INFO  L93              Difference]: Finished difference Result 724 states and 1065 transitions.
[2024-11-08 18:36:18,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-08 18:36:18,685 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 234
[2024-11-08 18:36:18,685 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:36:18,690 INFO  L225             Difference]: With dead ends: 724
[2024-11-08 18:36:18,691 INFO  L226             Difference]: Without dead ends: 406
[2024-11-08 18:36:18,694 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552
[2024-11-08 18:36:18,695 INFO  L432           NwaCegarLoop]: 427 mSDtfsCounter, 562 mSDsluCounter, 2433 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 2860 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time
[2024-11-08 18:36:18,695 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 2860 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time]
[2024-11-08 18:36:18,696 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 406 states.
[2024-11-08 18:36:18,730 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 400.
[2024-11-08 18:36:18,732 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 400 states, 248 states have (on average 1.2419354838709677) internal successors, (308), 251 states have internal predecessors, (308), 123 states have call successors, (123), 25 states have call predecessors, (123), 27 states have return successors, (146), 123 states have call predecessors, (146), 121 states have call successors, (146)
[2024-11-08 18:36:18,735 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 577 transitions.
[2024-11-08 18:36:18,737 INFO  L78                 Accepts]: Start accepts. Automaton has 400 states and 577 transitions. Word has length 234
[2024-11-08 18:36:18,738 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:36:18,738 INFO  L471      AbstractCegarLoop]: Abstraction has 400 states and 577 transitions.
[2024-11-08 18:36:18,738 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29)
[2024-11-08 18:36:18,739 INFO  L276                IsEmpty]: Start isEmpty. Operand 400 states and 577 transitions.
[2024-11-08 18:36:18,743 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 266
[2024-11-08 18:36:18,744 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:36:18,744 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:36:18,789 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-08 18:36:18,944 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:36:18,945 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:36:18,945 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:18,945 INFO  L85        PathProgramCache]: Analyzing trace with hash 667145591, now seen corresponding path program 2 times
[2024-11-08 18:36:18,946 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:36:18,946 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22424213]
[2024-11-08 18:36:18,946 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:18,946 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:36:24,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,427 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:36:26,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,433 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:36:26,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,439 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 18:36:26,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,444 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:36:26,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,450 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 18:36:26,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,457 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:36:26,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,462 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:36:26,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,472 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 18:36:26,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,482 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:36:26,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,795 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:36:26,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,810 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:36:26,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,814 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:36:26,815 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,818 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 18:36:26,824 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,833 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 18:36:26,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:26,837 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-08 18:36:26,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,103 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:36:27,133 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,169 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:36:27,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,428 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:36:27,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,439 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:36:27,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,444 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 18:36:27,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,462 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:36:27,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,472 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:36:27,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,478 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2024-11-08 18:36:27,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,484 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2024-11-08 18:36:27,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,492 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2024-11-08 18:36:27,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,500 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2024-11-08 18:36:27,533 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,567 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:36:27,574 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,584 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:36:27,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,596 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:36:27,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,601 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 18:36:27,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,619 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:36:27,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,632 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 18:36:27,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,638 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223
[2024-11-08 18:36:27,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,644 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229
[2024-11-08 18:36:27,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:27,651 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238
[2024-11-08 18:36:27,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:28,067 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243
[2024-11-08 18:36:28,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:28,072 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249
[2024-11-08 18:36:28,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:28,077 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256
[2024-11-08 18:36:28,078 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:28,083 INFO  L134       CoverageAnalysis]: Checked inductivity of 376 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked.
[2024-11-08 18:36:28,083 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:36:28,084 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22424213]
[2024-11-08 18:36:28,084 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22424213] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:36:28,084 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859151858]
[2024-11-08 18:36:28,084 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 18:36:28,084 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:36:28,084 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:36:28,087 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:36:28,090 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4dac97-6857-4db8-90a5-da371730fa63/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process