./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.07.cil-1.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.07.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b08ac6f553c71235d6c242059db3dcace1924bc9c3a272f401632c3f1b127664
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 03:15:40,529 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 03:15:40,668 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf
[2023-11-19 03:15:40,680 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 03:15:40,680 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-11-19 03:15:40,718 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 03:15:40,719 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 03:15:40,720 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2023-11-19 03:15:40,721 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 03:15:40,726 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 03:15:40,727 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 03:15:40,728 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 03:15:40,728 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 03:15:40,730 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 03:15:40,730 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 03:15:40,731 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 03:15:40,731 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 03:15:40,732 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 03:15:40,732 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 03:15:40,732 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 03:15:40,733 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 03:15:40,733 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 03:15:40,734 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-11-19 03:15:40,734 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-11-19 03:15:40,735 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-11-19 03:15:40,736 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 03:15:40,736 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-19 03:15:40,736 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 03:15:40,737 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 03:15:40,737 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 03:15:40,738 INFO  L153        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2023-11-19 03:15:40,739 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 03:15:40,739 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 03:15:40,739 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/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_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL
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 -> Kojak
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b08ac6f553c71235d6c242059db3dcace1924bc9c3a272f401632c3f1b127664
[2023-11-19 03:15:41,010 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 03:15:41,030 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 03:15:41,033 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 03:15:41,034 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 03:15:41,035 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 03:15:41,036 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.07.cil-1.c
[2023-11-19 03:15:43,995 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 03:15:44,335 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 03:15:44,336 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.07.cil-1.c
[2023-11-19 03:15:44,368 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/data/0fbad06bc/d0a92f70cfde493e8c2c120c835d47e4/FLAG819eb0f6d
[2023-11-19 03:15:44,384 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/data/0fbad06bc/d0a92f70cfde493e8c2c120c835d47e4
[2023-11-19 03:15:44,390 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 03:15:44,393 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 03:15:44,400 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 03:15:44,400 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 03:15:44,405 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 03:15:44,406 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:44,408 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24fc35e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44, skipping insertion in model container
[2023-11-19 03:15:44,408 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:44,494 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 03:15:44,671 WARN  L240   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_18448c87-afe7-48d8-965a-08d718ca9dfe/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.07.cil-1.c[911,924]
[2023-11-19 03:15:44,738 WARN  L240   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_18448c87-afe7-48d8-965a-08d718ca9dfe/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.07.cil-1.c[8416,8429]
[2023-11-19 03:15:44,845 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 03:15:44,868 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 03:15:44,881 WARN  L240   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_18448c87-afe7-48d8-965a-08d718ca9dfe/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.07.cil-1.c[911,924]
[2023-11-19 03:15:44,907 WARN  L240   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_18448c87-afe7-48d8-965a-08d718ca9dfe/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.07.cil-1.c[8416,8429]
[2023-11-19 03:15:44,956 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 03:15:44,982 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 03:15:44,983 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44 WrapperNode
[2023-11-19 03:15:44,983 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 03:15:44,984 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 03:15:44,985 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 03:15:44,985 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 03:15:44,993 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:45,008 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:45,064 INFO  L138                Inliner]: procedures = 69, calls = 82, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 808
[2023-11-19 03:15:45,065 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 03:15:45,066 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 03:15:45,066 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 03:15:45,066 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 03:15:45,075 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:45,076 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:45,082 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:45,083 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:45,100 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:45,116 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:45,120 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:45,124 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:45,130 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 03:15:45,137 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 03:15:45,137 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 03:15:45,137 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 03:15:45,139 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ...
[2023-11-19 03:15:45,145 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-19 03:15:45,168 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/z3
[2023-11-19 03:15:45,188 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-11-19 03:15:45,203 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18448c87-afe7-48d8-965a-08d718ca9dfe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-11-19 03:15:45,228 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 03:15:45,229 INFO  L130     BoogieDeclarations]: Found specification of procedure immediate_notify
[2023-11-19 03:15:45,229 INFO  L138     BoogieDeclarations]: Found implementation of procedure immediate_notify
[2023-11-19 03:15:45,229 INFO  L130     BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered
[2023-11-19 03:15:45,229 INFO  L138     BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered
[2023-11-19 03:15:45,229 INFO  L130     BoogieDeclarations]: Found specification of procedure exists_runnable_thread1
[2023-11-19 03:15:45,230 INFO  L138     BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1
[2023-11-19 03:15:45,230 INFO  L130     BoogieDeclarations]: Found specification of procedure exists_runnable_thread2
[2023-11-19 03:15:45,230 INFO  L138     BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2
[2023-11-19 03:15:45,230 INFO  L130     BoogieDeclarations]: Found specification of procedure reset_delta_events1
[2023-11-19 03:15:45,231 INFO  L138     BoogieDeclarations]: Found implementation of procedure reset_delta_events1
[2023-11-19 03:15:45,231 INFO  L130     BoogieDeclarations]: Found specification of procedure reset_delta_events2
[2023-11-19 03:15:45,231 INFO  L138     BoogieDeclarations]: Found implementation of procedure reset_delta_events2
[2023-11-19 03:15:45,231 INFO  L130     BoogieDeclarations]: Found specification of procedure activate_threads2
[2023-11-19 03:15:45,231 INFO  L138     BoogieDeclarations]: Found implementation of procedure activate_threads2
[2023-11-19 03:15:45,232 INFO  L130     BoogieDeclarations]: Found specification of procedure activate_threads1
[2023-11-19 03:15:45,232 INFO  L138     BoogieDeclarations]: Found implementation of procedure activate_threads1
[2023-11-19 03:15:45,232 INFO  L130     BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered
[2023-11-19 03:15:45,232 INFO  L138     BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered
[2023-11-19 03:15:45,232 INFO  L130     BoogieDeclarations]: Found specification of procedure update_channels1
[2023-11-19 03:15:45,233 INFO  L138     BoogieDeclarations]: Found implementation of procedure update_channels1
[2023-11-19 03:15:45,233 INFO  L130     BoogieDeclarations]: Found specification of procedure update_channels2
[2023-11-19 03:15:45,233 INFO  L138     BoogieDeclarations]: Found implementation of procedure update_channels2
[2023-11-19 03:15:45,233 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 03:15:45,233 INFO  L130     BoogieDeclarations]: Found specification of procedure fire_delta_events2
[2023-11-19 03:15:45,234 INFO  L138     BoogieDeclarations]: Found implementation of procedure fire_delta_events2
[2023-11-19 03:15:45,234 INFO  L130     BoogieDeclarations]: Found specification of procedure fire_delta_events1
[2023-11-19 03:15:45,234 INFO  L138     BoogieDeclarations]: Found implementation of procedure fire_delta_events1
[2023-11-19 03:15:45,234 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 03:15:45,234 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 03:15:45,234 INFO  L130     BoogieDeclarations]: Found specification of procedure error1
[2023-11-19 03:15:45,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure error1
[2023-11-19 03:15:45,357 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 03:15:45,360 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 03:15:46,180 INFO  L767   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0);
[2023-11-19 03:15:46,180 INFO  L767   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1;
[2023-11-19 03:15:46,268 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 03:15:46,682 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 03:15:46,682 INFO  L302             CfgBuilder]: Removed 14 assume(true) statements.
[2023-11-19 03:15:46,689 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:46 BoogieIcfgContainer
[2023-11-19 03:15:46,689 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 03:15:46,690 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-11-19 03:15:46,690 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-11-19 03:15:46,700 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-11-19 03:15:46,700 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:46" (1/1) ...
[2023-11-19 03:15:46,709 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 03:15:46,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:46,771 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 220 states and 323 transitions.
[2023-11-19 03:15:46,772 INFO  L276                IsEmpty]: Start isEmpty. Operand 220 states and 323 transitions.
[2023-11-19 03:15:46,778 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2023-11-19 03:15:46,778 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:46,779 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:46,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:47,158 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:47,280 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:47,284 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 225 states and 328 transitions.
[2023-11-19 03:15:47,284 INFO  L276                IsEmpty]: Start isEmpty. Operand 225 states and 328 transitions.
[2023-11-19 03:15:47,287 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2023-11-19 03:15:47,287 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:47,288 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:47,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:47,397 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:47,469 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:47,473 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 231 states and 336 transitions.
[2023-11-19 03:15:47,474 INFO  L276                IsEmpty]: Start isEmpty. Operand 231 states and 336 transitions.
[2023-11-19 03:15:47,476 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2023-11-19 03:15:47,476 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:47,477 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:47,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:47,630 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:47,819 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:47,827 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 237 states and 347 transitions.
[2023-11-19 03:15:47,827 INFO  L276                IsEmpty]: Start isEmpty. Operand 237 states and 347 transitions.
[2023-11-19 03:15:47,835 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2023-11-19 03:15:47,835 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:47,835 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:47,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:48,009 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:48,085 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:48,087 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 240 states and 351 transitions.
[2023-11-19 03:15:48,087 INFO  L276                IsEmpty]: Start isEmpty. Operand 240 states and 351 transitions.
[2023-11-19 03:15:48,090 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2023-11-19 03:15:48,090 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:48,090 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:48,108 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:48,389 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:49,632 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:49,635 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 246 states and 362 transitions.
[2023-11-19 03:15:49,636 INFO  L276                IsEmpty]: Start isEmpty. Operand 246 states and 362 transitions.
[2023-11-19 03:15:49,638 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2023-11-19 03:15:49,638 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:49,638 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:49,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:49,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:49,991 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:49,994 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 256 states and 381 transitions.
[2023-11-19 03:15:49,994 INFO  L276                IsEmpty]: Start isEmpty. Operand 256 states and 381 transitions.
[2023-11-19 03:15:49,996 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2023-11-19 03:15:49,997 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:49,998 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:50,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:50,095 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:50,129 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:50,135 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 259 states and 387 transitions.
[2023-11-19 03:15:50,135 INFO  L276                IsEmpty]: Start isEmpty. Operand 259 states and 387 transitions.
[2023-11-19 03:15:50,138 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2023-11-19 03:15:50,138 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:50,138 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:50,164 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:50,194 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:50,509 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:50,512 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 267 states and 400 transitions.
[2023-11-19 03:15:50,512 INFO  L276                IsEmpty]: Start isEmpty. Operand 267 states and 400 transitions.
[2023-11-19 03:15:50,515 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2023-11-19 03:15:50,515 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:50,516 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:50,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:50,948 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:15:53,741 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:53,744 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 275 states and 415 transitions.
[2023-11-19 03:15:53,744 INFO  L276                IsEmpty]: Start isEmpty. Operand 275 states and 415 transitions.
[2023-11-19 03:15:53,746 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:53,746 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:53,746 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:53,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:54,060 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:54,223 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:54,226 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 299 states and 461 transitions.
[2023-11-19 03:15:54,226 INFO  L276                IsEmpty]: Start isEmpty. Operand 299 states and 461 transitions.
[2023-11-19 03:15:54,227 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:54,227 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:54,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:54,245 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:54,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:54,325 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:54,327 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 300 states and 461 transitions.
[2023-11-19 03:15:54,328 INFO  L276                IsEmpty]: Start isEmpty. Operand 300 states and 461 transitions.
[2023-11-19 03:15:54,330 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:54,330 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:54,330 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:54,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:54,411 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:54,423 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:54,425 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 301 states and 461 transitions.
[2023-11-19 03:15:54,426 INFO  L276                IsEmpty]: Start isEmpty. Operand 301 states and 461 transitions.
[2023-11-19 03:15:54,427 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:54,427 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:54,428 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:54,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:54,508 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:54,522 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:54,524 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 302 states and 461 transitions.
[2023-11-19 03:15:54,524 INFO  L276                IsEmpty]: Start isEmpty. Operand 302 states and 461 transitions.
[2023-11-19 03:15:54,525 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:54,525 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:54,526 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:54,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:54,636 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:54,651 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:54,654 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 303 states and 461 transitions.
[2023-11-19 03:15:54,654 INFO  L276                IsEmpty]: Start isEmpty. Operand 303 states and 461 transitions.
[2023-11-19 03:15:54,661 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:54,662 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:54,663 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:54,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:54,801 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:54,815 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:54,819 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 304 states and 461 transitions.
[2023-11-19 03:15:54,819 INFO  L276                IsEmpty]: Start isEmpty. Operand 304 states and 461 transitions.
[2023-11-19 03:15:54,820 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:54,820 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:54,821 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:54,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:54,910 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:54,924 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:54,926 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 305 states and 461 transitions.
[2023-11-19 03:15:54,927 INFO  L276                IsEmpty]: Start isEmpty. Operand 305 states and 461 transitions.
[2023-11-19 03:15:54,928 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:54,929 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:54,929 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:54,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:55,155 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:55,748 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:55,750 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 326 states and 506 transitions.
[2023-11-19 03:15:55,750 INFO  L276                IsEmpty]: Start isEmpty. Operand 326 states and 506 transitions.
[2023-11-19 03:15:55,752 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:55,752 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:55,752 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:55,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:55,894 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:55,917 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:55,919 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 327 states and 506 transitions.
[2023-11-19 03:15:55,919 INFO  L276                IsEmpty]: Start isEmpty. Operand 327 states and 506 transitions.
[2023-11-19 03:15:55,921 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:55,922 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:55,922 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:55,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:56,049 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:56,064 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:56,067 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 328 states and 506 transitions.
[2023-11-19 03:15:56,067 INFO  L276                IsEmpty]: Start isEmpty. Operand 328 states and 506 transitions.
[2023-11-19 03:15:56,069 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:56,069 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:56,069 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:56,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:56,155 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:56,171 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:56,174 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 329 states and 506 transitions.
[2023-11-19 03:15:56,174 INFO  L276                IsEmpty]: Start isEmpty. Operand 329 states and 506 transitions.
[2023-11-19 03:15:56,176 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:56,176 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:56,177 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:56,193 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:56,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:56,279 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:56,281 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 330 states and 506 transitions.
[2023-11-19 03:15:56,281 INFO  L276                IsEmpty]: Start isEmpty. Operand 330 states and 506 transitions.
[2023-11-19 03:15:56,282 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:56,283 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:56,283 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:56,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:56,508 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:57,117 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:57,121 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 345 states and 539 transitions.
[2023-11-19 03:15:57,121 INFO  L276                IsEmpty]: Start isEmpty. Operand 345 states and 539 transitions.
[2023-11-19 03:15:57,123 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:57,123 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:57,124 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:57,147 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:57,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:57,229 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:57,231 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 346 states and 539 transitions.
[2023-11-19 03:15:57,232 INFO  L276                IsEmpty]: Start isEmpty. Operand 346 states and 539 transitions.
[2023-11-19 03:15:57,233 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:57,233 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:57,234 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:57,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:57,318 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:57,335 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:57,337 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 347 states and 539 transitions.
[2023-11-19 03:15:57,337 INFO  L276                IsEmpty]: Start isEmpty. Operand 347 states and 539 transitions.
[2023-11-19 03:15:57,339 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:57,339 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:57,339 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:57,356 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:57,419 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:57,436 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:57,439 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 348 states and 539 transitions.
[2023-11-19 03:15:57,439 INFO  L276                IsEmpty]: Start isEmpty. Operand 348 states and 539 transitions.
[2023-11-19 03:15:57,441 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:57,441 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:57,441 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:57,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:57,681 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:58,350 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:58,357 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 360 states and 566 transitions.
[2023-11-19 03:15:58,357 INFO  L276                IsEmpty]: Start isEmpty. Operand 360 states and 566 transitions.
[2023-11-19 03:15:58,360 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:58,360 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:58,360 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:58,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:58,446 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:58,466 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:58,469 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 361 states and 566 transitions.
[2023-11-19 03:15:58,469 INFO  L276                IsEmpty]: Start isEmpty. Operand 361 states and 566 transitions.
[2023-11-19 03:15:58,470 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-19 03:15:58,470 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:58,471 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:58,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:58,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:15:59,096 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:59,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 369 states and 580 transitions.
[2023-11-19 03:15:59,101 INFO  L276                IsEmpty]: Start isEmpty. Operand 369 states and 580 transitions.
[2023-11-19 03:15:59,102 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2023-11-19 03:15:59,102 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:59,102 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:59,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:15:59,302 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:15:59,912 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:15:59,915 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 371 states and 584 transitions.
[2023-11-19 03:15:59,915 INFO  L276                IsEmpty]: Start isEmpty. Operand 371 states and 584 transitions.
[2023-11-19 03:15:59,916 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2023-11-19 03:15:59,916 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:15:59,917 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:15:59,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:00,036 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:00,067 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:00,070 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 373 states and 587 transitions.
[2023-11-19 03:16:00,070 INFO  L276                IsEmpty]: Start isEmpty. Operand 373 states and 587 transitions.
[2023-11-19 03:16:00,071 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2023-11-19 03:16:00,072 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:00,072 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:00,083 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:00,186 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:16:00,219 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:00,221 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 376 states and 592 transitions.
[2023-11-19 03:16:00,221 INFO  L276                IsEmpty]: Start isEmpty. Operand 376 states and 592 transitions.
[2023-11-19 03:16:00,223 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2023-11-19 03:16:00,223 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:00,223 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:00,235 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:00,311 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:16:00,956 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:00,959 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 383 states and 605 transitions.
[2023-11-19 03:16:00,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 383 states and 605 transitions.
[2023-11-19 03:16:00,961 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2023-11-19 03:16:00,961 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:00,961 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:00,977 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:01,005 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2023-11-19 03:16:01,192 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:01,195 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 388 states and 612 transitions.
[2023-11-19 03:16:01,195 INFO  L276                IsEmpty]: Start isEmpty. Operand 388 states and 612 transitions.
[2023-11-19 03:16:01,196 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2023-11-19 03:16:01,197 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:01,197 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:01,209 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:01,231 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2023-11-19 03:16:01,441 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:01,444 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 390 states and 615 transitions.
[2023-11-19 03:16:01,444 INFO  L276                IsEmpty]: Start isEmpty. Operand 390 states and 615 transitions.
[2023-11-19 03:16:01,445 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2023-11-19 03:16:01,445 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:01,446 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:01,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:01,498 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:16:01,832 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:01,836 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 395 states and 623 transitions.
[2023-11-19 03:16:01,836 INFO  L276                IsEmpty]: Start isEmpty. Operand 395 states and 623 transitions.
[2023-11-19 03:16:01,838 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2023-11-19 03:16:01,838 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:01,838 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:01,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:01,894 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:16:01,924 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:01,927 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 398 states and 629 transitions.
[2023-11-19 03:16:01,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 398 states and 629 transitions.
[2023-11-19 03:16:01,960 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2023-11-19 03:16:01,960 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:01,961 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:01,973 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:01,995 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2023-11-19 03:16:02,940 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:02,943 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 407 states and 645 transitions.
[2023-11-19 03:16:02,944 INFO  L276                IsEmpty]: Start isEmpty. Operand 407 states and 645 transitions.
[2023-11-19 03:16:02,945 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2023-11-19 03:16:02,945 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:02,946 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:02,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:03,008 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:16:03,036 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:03,039 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 407 states and 643 transitions.
[2023-11-19 03:16:03,039 INFO  L276                IsEmpty]: Start isEmpty. Operand 407 states and 643 transitions.
[2023-11-19 03:16:03,042 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:03,042 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:03,043 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:03,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:03,610 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:16:07,655 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:07,658 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 438 states and 714 transitions.
[2023-11-19 03:16:07,658 INFO  L276                IsEmpty]: Start isEmpty. Operand 438 states and 714 transitions.
[2023-11-19 03:16:07,660 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:07,661 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:07,661 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:07,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:07,992 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:10,867 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:10,870 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 444 states and 732 transitions.
[2023-11-19 03:16:10,870 INFO  L276                IsEmpty]: Start isEmpty. Operand 444 states and 732 transitions.
[2023-11-19 03:16:10,872 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:10,873 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:10,873 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:10,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:11,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:15,026 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:15,030 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 453 states and 761 transitions.
[2023-11-19 03:16:15,030 INFO  L276                IsEmpty]: Start isEmpty. Operand 453 states and 761 transitions.
[2023-11-19 03:16:15,032 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:15,032 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:15,033 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:15,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:15,111 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:16,928 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:16,932 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 459 states and 775 transitions.
[2023-11-19 03:16:16,932 INFO  L276                IsEmpty]: Start isEmpty. Operand 459 states and 775 transitions.
[2023-11-19 03:16:16,934 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:16,934 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:16,934 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:16,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:17,013 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:17,472 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:17,475 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 460 states and 777 transitions.
[2023-11-19 03:16:17,476 INFO  L276                IsEmpty]: Start isEmpty. Operand 460 states and 777 transitions.
[2023-11-19 03:16:17,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:17,478 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:17,478 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:17,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:17,812 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:23,451 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:23,454 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 478 states and 830 transitions.
[2023-11-19 03:16:23,454 INFO  L276                IsEmpty]: Start isEmpty. Operand 478 states and 830 transitions.
[2023-11-19 03:16:23,457 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:23,457 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:23,457 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:23,472 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:23,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:24,991 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:24,994 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 482 states and 841 transitions.
[2023-11-19 03:16:24,994 INFO  L276                IsEmpty]: Start isEmpty. Operand 482 states and 841 transitions.
[2023-11-19 03:16:24,997 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:24,997 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:24,997 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:25,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:25,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:26,122 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:26,125 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 485 states and 849 transitions.
[2023-11-19 03:16:26,126 INFO  L276                IsEmpty]: Start isEmpty. Operand 485 states and 849 transitions.
[2023-11-19 03:16:26,128 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:26,128 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:26,128 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:26,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:26,204 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:27,746 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:27,749 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 491 states and 865 transitions.
[2023-11-19 03:16:27,750 INFO  L276                IsEmpty]: Start isEmpty. Operand 491 states and 865 transitions.
[2023-11-19 03:16:27,753 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:27,753 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:27,753 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:27,768 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:27,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:28,465 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:28,468 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 493 states and 868 transitions.
[2023-11-19 03:16:28,468 INFO  L276                IsEmpty]: Start isEmpty. Operand 493 states and 868 transitions.
[2023-11-19 03:16:28,470 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:28,470 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:28,470 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:28,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:28,544 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:29,131 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:29,134 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 494 states and 870 transitions.
[2023-11-19 03:16:29,134 INFO  L276                IsEmpty]: Start isEmpty. Operand 494 states and 870 transitions.
[2023-11-19 03:16:29,136 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:29,137 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:29,137 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:29,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:29,209 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:29,770 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:29,774 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 495 states and 872 transitions.
[2023-11-19 03:16:29,774 INFO  L276                IsEmpty]: Start isEmpty. Operand 495 states and 872 transitions.
[2023-11-19 03:16:29,776 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:29,776 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:29,776 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:29,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:29,847 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:29,877 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:29,880 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 496 states and 874 transitions.
[2023-11-19 03:16:29,881 INFO  L276                IsEmpty]: Start isEmpty. Operand 496 states and 874 transitions.
[2023-11-19 03:16:29,883 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:29,883 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:29,883 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:29,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:30,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:30,051 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:30,062 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 497 states and 876 transitions.
[2023-11-19 03:16:30,062 INFO  L276                IsEmpty]: Start isEmpty. Operand 497 states and 876 transitions.
[2023-11-19 03:16:30,064 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:30,064 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:30,065 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:30,083 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:30,155 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:31,617 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:31,619 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 500 states and 884 transitions.
[2023-11-19 03:16:31,620 INFO  L276                IsEmpty]: Start isEmpty. Operand 500 states and 884 transitions.
[2023-11-19 03:16:31,621 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:31,622 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:31,622 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:31,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:31,687 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:16:32,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:16:32,254 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 500 states and 872 transitions.
[2023-11-19 03:16:32,255 INFO  L276                IsEmpty]: Start isEmpty. Operand 500 states and 872 transitions.
[2023-11-19 03:16:32,256 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 03:16:32,256 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:16:32,257 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:16:32,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:16:32,321 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.