./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_7-1.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_7-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --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 32bit --witnessprinter.graph.data.programhash 17c70baee0bc6a4a26b6403fb6f46125ad9d7f8a7127109634f2327c61aaf5cb
..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:02:39,029 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:02:39,033 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:02:39,107 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:02:39,107 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:02:39,114 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:02:39,116 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:02:39,121 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:02:39,124 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:02:39,125 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:02:39,127 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:02:39,129 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:02:39,130 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:02:39,131 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:02:39,134 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:02:39,136 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:02:39,137 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:02:39,139 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:02:39,142 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:02:39,145 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:02:39,147 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:02:39,149 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:02:39,151 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:02:39,153 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:02:39,158 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:02:39,158 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:02:39,159 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:02:39,160 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:02:39,161 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:02:39,163 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:02:39,164 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:02:39,165 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:02:39,166 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:02:39,168 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:02:39,169 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:02:39,170 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:02:39,171 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:02:39,172 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:02:39,172 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:02:39,174 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:02:39,175 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:02:39,176 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-28 23:02:39,208 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-28 23:02:39,208 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:02:39,209 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:02:39,209 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:02:39,211 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:02:39,211 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-28 23:02:39,211 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-28 23:02:39,212 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:02:39,212 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-28 23:02:39,212 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-28 23:02:39,213 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-28 23:02:39,213 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-28 23:02:39,213 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-28 23:02:39,214 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 23:02:39,214 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-28 23:02:39,214 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-28 23:02:39,215 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-28 23:02:39,215 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-28 23:02:39,215 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-28 23:02:39,216 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:02:39,216 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-28 23:02:39,216 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-28 23:02:39,216 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:02:39,217 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:02:39,217 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 23:02:39,217 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-28 23:02:39,218 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-28 23:02:39,218 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 23:02:39,218 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-28 23:02:39,219 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-10-28 23:02:39,219 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-28 23:02:39,219 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-28 23:02:39,220 INFO  L138        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_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/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_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17c70baee0bc6a4a26b6403fb6f46125ad9d7f8a7127109634f2327c61aaf5cb
[2021-10-28 23:02:39,565 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:02:39,599 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:02:39,602 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:02:39,604 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-28 23:02:39,605 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-28 23:02:39,606 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/recursive-simple/fibo_7-1.c
[2021-10-28 23:02:39,722 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/data/d0fb14979/aa7d251a335a455aae47ac9716f32d49/FLAG552a6d7ee
[2021-10-28 23:02:40,246 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-28 23:02:40,247 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/sv-benchmarks/c/recursive-simple/fibo_7-1.c
[2021-10-28 23:02:40,255 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/data/d0fb14979/aa7d251a335a455aae47ac9716f32d49/FLAG552a6d7ee
[2021-10-28 23:02:40,620 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/data/d0fb14979/aa7d251a335a455aae47ac9716f32d49
[2021-10-28 23:02:40,623 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:02:40,625 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:02:40,627 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:02:40,627 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:02:40,631 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:02:40,633 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,634 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4fba19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40, skipping insertion in model container
[2021-10-28 23:02:40,634 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,643 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-28 23:02:40,658 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:02:40,893 WARN  L228   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_daac88c7-c160-4583-a865-52750c1d1129/sv-benchmarks/c/recursive-simple/fibo_7-1.c[741,754]
[2021-10-28 23:02:40,897 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:02:40,908 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-28 23:02:40,925 WARN  L228   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_daac88c7-c160-4583-a865-52750c1d1129/sv-benchmarks/c/recursive-simple/fibo_7-1.c[741,754]
[2021-10-28 23:02:40,926 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:02:40,942 INFO  L208         MainTranslator]: Completed translation
[2021-10-28 23:02:40,943 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40 WrapperNode
[2021-10-28 23:02:40,943 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:02:40,945 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:02:40,945 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:02:40,945 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:02:40,955 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,963 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,984 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:02:40,985 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:02:40,985 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:02:40,985 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:02:40,995 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,995 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,997 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,997 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:41,001 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:41,004 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:41,005 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:41,007 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:02:41,008 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:02:41,009 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:02:41,009 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:02:41,010 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:41,020 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:02:41,032 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:41,051 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:41,065 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:02:41,113 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:02:41,114 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:02:41,114 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:02:41,114 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:02:41,114 INFO  L130     BoogieDeclarations]: Found specification of procedure fibo
[2021-10-28 23:02:41,115 INFO  L138     BoogieDeclarations]: Found implementation of procedure fibo
[2021-10-28 23:02:41,400 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:02:41,401 INFO  L299             CfgBuilder]: Removed 4 assume(true) statements.
[2021-10-28 23:02:41,403 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:02:41 BoogieIcfgContainer
[2021-10-28 23:02:41,404 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:02:41,406 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 23:02:41,406 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 23:02:41,411 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-28 23:02:41,411 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:02:40" (1/3) ...
[2021-10-28 23:02:41,412 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7987f280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:02:41, skipping insertion in model container
[2021-10-28 23:02:41,413 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (2/3) ...
[2021-10-28 23:02:41,413 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7987f280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:02:41, skipping insertion in model container
[2021-10-28 23:02:41,413 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:02:41" (3/3) ...
[2021-10-28 23:02:41,415 INFO  L111   eAbstractionObserver]: Analyzing ICFG fibo_7-1.c
[2021-10-28 23:02:41,422 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 23:02:41,422 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-28 23:02:41,480 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 23:02:41,488 INFO  L339      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-10-28 23:02:41,489 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-28 23:02:41,508 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-10-28 23:02:41,514 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-10-28 23:02:41,515 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:02:41,515 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:41,516 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:41,523 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:41,523 INFO  L85        PathProgramCache]: Analyzing trace with hash -1755511548, now seen corresponding path program 1 times
[2021-10-28 23:02:41,533 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:41,534 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483980542]
[2021-10-28 23:02:41,535 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:41,536 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:41,645 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:41,723 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-10-28 23:02:41,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:41,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:02:41,766 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:41,766 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483980542]
[2021-10-28 23:02:41,767 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483980542] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:02:41,768 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:02:41,768 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-28 23:02:41,809 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673853541]
[2021-10-28 23:02:41,816 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-28 23:02:41,816 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:41,864 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-28 23:02:41,878 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:02:41,880 INFO  L87              Difference]: Start difference. First operand  has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand  has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-10-28 23:02:41,965 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:41,965 INFO  L93              Difference]: Finished difference Result 30 states and 36 transitions.
[2021-10-28 23:02:41,966 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-28 23:02:41,967 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10
[2021-10-28 23:02:41,968 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:41,977 INFO  L225             Difference]: With dead ends: 30
[2021-10-28 23:02:41,978 INFO  L226             Difference]: Without dead ends: 18
[2021-10-28 23:02:41,981 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:02:42,019 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2021-10-28 23:02:42,064 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2021-10-28 23:02:42,065 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5)
[2021-10-28 23:02:42,069 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions.
[2021-10-28 23:02:42,071 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10
[2021-10-28 23:02:42,072 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:42,072 INFO  L470      AbstractCegarLoop]: Abstraction has 18 states and 22 transitions.
[2021-10-28 23:02:42,072 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-10-28 23:02:42,073 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions.
[2021-10-28 23:02:42,074 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-28 23:02:42,075 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:02:42,075 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:42,075 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-28 23:02:42,076 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:42,077 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:42,077 INFO  L85        PathProgramCache]: Analyzing trace with hash 2128459596, now seen corresponding path program 1 times
[2021-10-28 23:02:42,077 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:42,078 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931026902]
[2021-10-28 23:02:42,078 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:42,079 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:42,107 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:42,137 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-10-28 23:02:42,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:42,188 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:02:42,188 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:42,188 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931026902]
[2021-10-28 23:02:42,189 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931026902] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:02:42,189 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:02:42,190 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-28 23:02:42,190 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282051579]
[2021-10-28 23:02:42,191 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-28 23:02:42,192 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:42,196 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-28 23:02:42,196 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:02:42,197 INFO  L87              Difference]: Start difference. First operand 18 states and 22 transitions. Second operand  has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-10-28 23:02:42,265 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:42,266 INFO  L93              Difference]: Finished difference Result 24 states and 29 transitions.
[2021-10-28 23:02:42,266 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-28 23:02:42,267 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2021-10-28 23:02:42,267 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:42,268 INFO  L225             Difference]: With dead ends: 24
[2021-10-28 23:02:42,268 INFO  L226             Difference]: Without dead ends: 20
[2021-10-28 23:02:42,269 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:02:42,270 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2021-10-28 23:02:42,275 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18.
[2021-10-28 23:02:42,276 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5)
[2021-10-28 23:02:42,277 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions.
[2021-10-28 23:02:42,277 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11
[2021-10-28 23:02:42,278 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:42,278 INFO  L470      AbstractCegarLoop]: Abstraction has 18 states and 22 transitions.
[2021-10-28 23:02:42,278 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-10-28 23:02:42,279 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions.
[2021-10-28 23:02:42,280 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2021-10-28 23:02:42,280 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:02:42,280 INFO  L513         BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:42,281 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-28 23:02:42,281 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:42,282 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:42,282 INFO  L85        PathProgramCache]: Analyzing trace with hash -42544313, now seen corresponding path program 1 times
[2021-10-28 23:02:42,283 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:42,283 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677618533]
[2021-10-28 23:02:42,283 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:42,284 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:42,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:42,360 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-10-28 23:02:42,371 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:42,405 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:42,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:42,432 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2021-10-28 23:02:42,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:42,441 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-28 23:02:42,442 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:42,442 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677618533]
[2021-10-28 23:02:42,442 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677618533] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:42,443 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76117641]
[2021-10-28 23:02:42,443 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:42,443 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:42,443 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:42,445 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:02:42,496 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-10-28 23:02:42,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:42,551 INFO  L263         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-10-28 23:02:42,558 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:02:42,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-28 23:02:42,744 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [76117641] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:42,744 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 23:02:42,744 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9
[2021-10-28 23:02:42,745 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302082284]
[2021-10-28 23:02:42,746 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-28 23:02:42,746 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:42,747 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-28 23:02:42,748 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2021-10-28 23:02:42,748 INFO  L87              Difference]: Start difference. First operand 18 states and 22 transitions. Second operand  has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 9 states have internal predecessors, (24), 6 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 6 states have call successors, (6)
[2021-10-28 23:02:42,856 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:42,857 INFO  L93              Difference]: Finished difference Result 35 states and 46 transitions.
[2021-10-28 23:02:42,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-28 23:02:42,858 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 9 states have internal predecessors, (24), 6 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 6 states have call successors, (6) Word has length 23
[2021-10-28 23:02:42,858 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:42,859 INFO  L225             Difference]: With dead ends: 35
[2021-10-28 23:02:42,860 INFO  L226             Difference]: Without dead ends: 20
[2021-10-28 23:02:42,861 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156
[2021-10-28 23:02:42,861 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2021-10-28 23:02:42,888 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2021-10-28 23:02:42,889 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6)
[2021-10-28 23:02:42,890 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions.
[2021-10-28 23:02:42,891 INFO  L78                 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 23
[2021-10-28 23:02:42,891 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:42,892 INFO  L470      AbstractCegarLoop]: Abstraction has 20 states and 24 transitions.
[2021-10-28 23:02:42,892 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 9 states have internal predecessors, (24), 6 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 6 states have call successors, (6)
[2021-10-28 23:02:42,892 INFO  L276                IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions.
[2021-10-28 23:02:42,894 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-10-28 23:02:42,894 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:02:42,895 INFO  L513         BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:42,941 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:43,121 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:43,122 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:43,123 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:43,123 INFO  L85        PathProgramCache]: Analyzing trace with hash 170813287, now seen corresponding path program 1 times
[2021-10-28 23:02:43,123 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:43,123 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889713842]
[2021-10-28 23:02:43,124 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:43,124 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:43,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:43,227 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-10-28 23:02:43,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:43,325 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:43,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:43,349 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:43,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:43,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2021-10-28 23:02:43,366 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:43,366 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889713842]
[2021-10-28 23:02:43,366 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889713842] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:43,367 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720901041]
[2021-10-28 23:02:43,367 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:43,367 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:43,367 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:43,378 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:02:43,406 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-10-28 23:02:43,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:43,470 INFO  L263         TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-10-28 23:02:43,473 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:02:43,622 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2021-10-28 23:02:43,622 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720901041] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:43,623 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 23:02:43,623 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8
[2021-10-28 23:02:43,623 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575090814]
[2021-10-28 23:02:43,625 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-10-28 23:02:43,626 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:43,627 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-10-28 23:02:43,629 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2021-10-28 23:02:43,630 INFO  L87              Difference]: Start difference. First operand 20 states and 24 transitions. Second operand  has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5)
[2021-10-28 23:02:43,759 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:43,760 INFO  L93              Difference]: Finished difference Result 38 states and 52 transitions.
[2021-10-28 23:02:43,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-28 23:02:43,761 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) Word has length 24
[2021-10-28 23:02:43,761 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:43,770 INFO  L225             Difference]: With dead ends: 38
[2021-10-28 23:02:43,771 INFO  L226             Difference]: Without dead ends: 34
[2021-10-28 23:02:43,773 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2021-10-28 23:02:43,774 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2021-10-28 23:02:43,795 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34.
[2021-10-28 23:02:43,797 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 34 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16)
[2021-10-28 23:02:43,800 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions.
[2021-10-28 23:02:43,803 INFO  L78                 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 24
[2021-10-28 23:02:43,804 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:43,804 INFO  L470      AbstractCegarLoop]: Abstraction has 34 states and 48 transitions.
[2021-10-28 23:02:43,806 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5)
[2021-10-28 23:02:43,806 INFO  L276                IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions.
[2021-10-28 23:02:43,808 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2021-10-28 23:02:43,810 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:02:43,810 INFO  L513         BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:43,838 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:44,021 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:44,022 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:44,022 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:44,022 INFO  L85        PathProgramCache]: Analyzing trace with hash -187634876, now seen corresponding path program 2 times
[2021-10-28 23:02:44,023 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:44,023 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320238617]
[2021-10-28 23:02:44,023 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:44,023 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:44,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:44,072 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-10-28 23:02:44,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:44,108 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:44,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:44,169 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:44,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:44,177 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:44,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:44,186 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:44,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:44,204 INFO  L134       CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-10-28 23:02:44,205 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:44,205 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320238617]
[2021-10-28 23:02:44,205 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320238617] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:44,206 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881385278]
[2021-10-28 23:02:44,206 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-28 23:02:44,206 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:44,206 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:44,208 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:02:44,219 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-10-28 23:02:44,304 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-10-28 23:02:44,305 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-28 23:02:44,317 INFO  L263         TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-10-28 23:02:44,320 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:02:44,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2021-10-28 23:02:44,559 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881385278] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:44,560 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 23:02:44,560 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13
[2021-10-28 23:02:44,561 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261949700]
[2021-10-28 23:02:44,563 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-10-28 23:02:44,563 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:44,564 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-10-28 23:02:44,565 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156
[2021-10-28 23:02:44,565 INFO  L87              Difference]: Start difference. First operand 34 states and 48 transitions. Second operand  has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 13 states have internal predecessors, (34), 7 states have call successors, (9), 1 states have call predecessors, (9), 7 states have return successors, (10), 6 states have call predecessors, (10), 7 states have call successors, (10)
[2021-10-28 23:02:44,820 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:44,821 INFO  L93              Difference]: Finished difference Result 69 states and 106 transitions.
[2021-10-28 23:02:44,821 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-28 23:02:44,822 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 13 states have internal predecessors, (34), 7 states have call successors, (9), 1 states have call predecessors, (9), 7 states have return successors, (10), 6 states have call predecessors, (10), 7 states have call successors, (10) Word has length 37
[2021-10-28 23:02:44,823 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:44,826 INFO  L225             Difference]: With dead ends: 69
[2021-10-28 23:02:44,826 INFO  L226             Difference]: Without dead ends: 38
[2021-10-28 23:02:44,836 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342
[2021-10-28 23:02:44,836 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38 states.
[2021-10-28 23:02:44,851 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38.
[2021-10-28 23:02:44,855 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 38 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (11), 7 states have call predecessors, (11), 5 states have call successors, (11)
[2021-10-28 23:02:44,856 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions.
[2021-10-28 23:02:44,858 INFO  L78                 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 37
[2021-10-28 23:02:44,859 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:44,859 INFO  L470      AbstractCegarLoop]: Abstraction has 38 states and 46 transitions.
[2021-10-28 23:02:44,860 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 13 states have internal predecessors, (34), 7 states have call successors, (9), 1 states have call predecessors, (9), 7 states have return successors, (10), 6 states have call predecessors, (10), 7 states have call successors, (10)
[2021-10-28 23:02:44,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions.
[2021-10-28 23:02:44,864 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2021-10-28 23:02:44,866 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:02:44,867 INFO  L513         BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:44,912 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:45,093 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:45,093 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:45,094 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:45,094 INFO  L85        PathProgramCache]: Analyzing trace with hash -2015531204, now seen corresponding path program 3 times
[2021-10-28 23:02:45,094 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:45,095 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521140296]
[2021-10-28 23:02:45,095 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:45,095 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:45,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:45,203 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-10-28 23:02:45,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:45,273 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:45,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:45,345 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:45,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:45,410 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:45,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:45,436 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:45,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:45,446 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:45,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:45,465 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:45,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:45,484 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:45,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:45,489 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:45,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:45,495 INFO  L134       CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2021-10-28 23:02:45,496 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:45,496 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521140296]
[2021-10-28 23:02:45,497 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521140296] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:45,501 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092653511]
[2021-10-28 23:02:45,502 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-10-28 23:02:45,503 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:45,503 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:45,506 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:02:45,529 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-10-28 23:02:45,615 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2021-10-28 23:02:45,615 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-28 23:02:45,618 INFO  L263         TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-10-28 23:02:45,622 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:02:45,910 INFO  L134       CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 22 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked.
[2021-10-28 23:02:45,911 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092653511] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:45,911 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 23:02:45,911 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 13
[2021-10-28 23:02:45,912 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574477997]
[2021-10-28 23:02:45,915 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-10-28 23:02:45,915 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:45,916 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-10-28 23:02:45,916 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2021-10-28 23:02:45,917 INFO  L87              Difference]: Start difference. First operand 38 states and 46 transitions. Second operand  has 13 states, 12 states have (on average 2.75) internal successors, (33), 13 states have internal predecessors, (33), 7 states have call successors, (9), 1 states have call predecessors, (9), 6 states have return successors, (12), 9 states have call predecessors, (12), 7 states have call successors, (12)
[2021-10-28 23:02:46,085 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:46,085 INFO  L93              Difference]: Finished difference Result 85 states and 124 transitions.
[2021-10-28 23:02:46,085 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-10-28 23:02:46,086 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 12 states have (on average 2.75) internal successors, (33), 13 states have internal predecessors, (33), 7 states have call successors, (9), 1 states have call predecessors, (9), 6 states have return successors, (12), 9 states have call predecessors, (12), 7 states have call successors, (12) Word has length 65
[2021-10-28 23:02:46,087 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:46,094 INFO  L225             Difference]: With dead ends: 85
[2021-10-28 23:02:46,094 INFO  L226             Difference]: Without dead ends: 50
[2021-10-28 23:02:46,101 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2021-10-28 23:02:46,101 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2021-10-28 23:02:46,117 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47.
[2021-10-28 23:02:46,118 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 47 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 7 states have call successors, (7), 5 states have call predecessors, (7), 6 states have return successors, (16), 9 states have call predecessors, (16), 7 states have call successors, (16)
[2021-10-28 23:02:46,119 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions.
[2021-10-28 23:02:46,119 INFO  L78                 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 65
[2021-10-28 23:02:46,120 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:46,120 INFO  L470      AbstractCegarLoop]: Abstraction has 47 states and 61 transitions.
[2021-10-28 23:02:46,121 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 12 states have (on average 2.75) internal successors, (33), 13 states have internal predecessors, (33), 7 states have call successors, (9), 1 states have call predecessors, (9), 6 states have return successors, (12), 9 states have call predecessors, (12), 7 states have call successors, (12)
[2021-10-28 23:02:46,121 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions.
[2021-10-28 23:02:46,132 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2021-10-28 23:02:46,132 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:02:46,133 INFO  L513         BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:46,162 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:46,345 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:46,346 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:46,346 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:46,346 INFO  L85        PathProgramCache]: Analyzing trace with hash -292645265, now seen corresponding path program 4 times
[2021-10-28 23:02:46,346 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:46,347 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343866525]
[2021-10-28 23:02:46,347 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:46,347 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:46,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,437 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-10-28 23:02:46,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,542 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:46,551 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,609 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:46,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,653 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:46,657 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,713 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:46,717 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,732 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:46,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,749 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:46,751 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,756 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:46,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,774 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:46,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,779 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:46,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,784 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64
[2021-10-28 23:02:46,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,802 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:46,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,811 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:46,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,815 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:46,818 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,825 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:46,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,832 INFO  L134       CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked.
[2021-10-28 23:02:46,832 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:46,834 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343866525]
[2021-10-28 23:02:46,834 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343866525] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:46,834 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795835522]
[2021-10-28 23:02:46,835 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-10-28 23:02:46,835 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:46,835 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:46,837 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:02:46,861 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-10-28 23:02:46,970 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-10-28 23:02:46,971 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-28 23:02:46,972 INFO  L263         TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-10-28 23:02:46,980 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:02:47,334 INFO  L134       CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked.
[2021-10-28 23:02:47,335 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [795835522] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:47,335 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 23:02:47,335 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 14
[2021-10-28 23:02:47,336 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206192151]
[2021-10-28 23:02:47,337 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-10-28 23:02:47,348 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:47,350 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-10-28 23:02:47,351 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182
[2021-10-28 23:02:47,351 INFO  L87              Difference]: Start difference. First operand 47 states and 61 transitions. Second operand  has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 14 states have internal predecessors, (38), 12 states have call successors, (13), 1 states have call predecessors, (13), 6 states have return successors, (19), 10 states have call predecessors, (19), 12 states have call successors, (19)
[2021-10-28 23:02:47,557 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:47,557 INFO  L93              Difference]: Finished difference Result 117 states and 176 transitions.
[2021-10-28 23:02:47,557 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-10-28 23:02:47,558 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 14 states have internal predecessors, (38), 12 states have call successors, (13), 1 states have call predecessors, (13), 6 states have return successors, (19), 10 states have call predecessors, (19), 12 states have call successors, (19) Word has length 106
[2021-10-28 23:02:47,561 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:47,568 INFO  L225             Difference]: With dead ends: 117
[2021-10-28 23:02:47,568 INFO  L226             Difference]: Without dead ends: 113
[2021-10-28 23:02:47,569 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2021-10-28 23:02:47,569 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2021-10-28 23:02:47,608 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104.
[2021-10-28 23:02:47,608 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 104 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 68 states have internal predecessors, (82), 21 states have call successors, (21), 9 states have call predecessors, (21), 13 states have return successors, (56), 26 states have call predecessors, (56), 21 states have call successors, (56)
[2021-10-28 23:02:47,621 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 159 transitions.
[2021-10-28 23:02:47,621 INFO  L78                 Accepts]: Start accepts. Automaton has 104 states and 159 transitions. Word has length 106
[2021-10-28 23:02:47,622 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:47,622 INFO  L470      AbstractCegarLoop]: Abstraction has 104 states and 159 transitions.
[2021-10-28 23:02:47,623 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 14 states have internal predecessors, (38), 12 states have call successors, (13), 1 states have call predecessors, (13), 6 states have return successors, (19), 10 states have call predecessors, (19), 12 states have call successors, (19)
[2021-10-28 23:02:47,623 INFO  L276                IsEmpty]: Start isEmpty. Operand 104 states and 159 transitions.
[2021-10-28 23:02:47,628 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2021-10-28 23:02:47,628 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:02:47,628 INFO  L513         BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:47,660 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:47,853 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:47,854 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:47,854 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:47,854 INFO  L85        PathProgramCache]: Analyzing trace with hash 1694816164, now seen corresponding path program 5 times
[2021-10-28 23:02:47,854 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:47,855 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599412161]
[2021-10-28 23:02:47,855 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:47,855 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:47,884 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:47,959 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-10-28 23:02:47,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,084 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:48,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,178 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:48,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,238 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:48,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,283 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:48,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,321 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:48,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,345 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:48,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,350 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:48,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,355 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:48,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,365 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:48,367 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,369 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:48,370 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,374 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64
[2021-10-28 23:02:48,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,387 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:48,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,393 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:48,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,397 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:48,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,403 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:48,404 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,407 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105
[2021-10-28 23:02:48,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,426 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:48,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,434 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:48,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,440 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:48,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,445 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:48,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,449 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:48,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,452 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:48,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,460 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:48,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,467 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:48,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,475 INFO  L134       CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked.
[2021-10-28 23:02:48,477 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:48,477 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599412161]
[2021-10-28 23:02:48,477 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599412161] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:48,478 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231844745]
[2021-10-28 23:02:48,478 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2021-10-28 23:02:48,478 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:48,478 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:48,481 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:02:48,508 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-10-28 23:02:48,730 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s)
[2021-10-28 23:02:48,731 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-28 23:02:48,733 INFO  L263         TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-10-28 23:02:48,752 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:02:49,265 INFO  L134       CoverageAnalysis]: Checked inductivity of 1654 backedges. 328 proven. 115 refuted. 0 times theorem prover too weak. 1211 trivial. 0 not checked.
[2021-10-28 23:02:49,266 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [231844745] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:49,266 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 23:02:49,266 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 16
[2021-10-28 23:02:49,266 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677374879]
[2021-10-28 23:02:49,268 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2021-10-28 23:02:49,268 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:49,269 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2021-10-28 23:02:49,269 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240
[2021-10-28 23:02:49,280 INFO  L87              Difference]: Start difference. First operand 104 states and 159 transitions. Second operand  has 16 states, 15 states have (on average 2.6) internal successors, (39), 16 states have internal predecessors, (39), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (18), 13 states have call predecessors, (18), 10 states have call successors, (18)
[2021-10-28 23:02:49,540 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:49,541 INFO  L93              Difference]: Finished difference Result 241 states and 406 transitions.
[2021-10-28 23:02:49,541 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-10-28 23:02:49,542 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 15 states have (on average 2.6) internal successors, (39), 16 states have internal predecessors, (39), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (18), 13 states have call predecessors, (18), 10 states have call successors, (18) Word has length 174
[2021-10-28 23:02:49,545 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:49,554 INFO  L225             Difference]: With dead ends: 241
[2021-10-28 23:02:49,555 INFO  L226             Difference]: Without dead ends: 237
[2021-10-28 23:02:49,556 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272
[2021-10-28 23:02:49,557 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 237 states.
[2021-10-28 23:02:49,640 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 225.
[2021-10-28 23:02:49,642 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 225 states, 145 states have (on average 1.2) internal successors, (174), 144 states have internal predecessors, (174), 51 states have call successors, (51), 17 states have call predecessors, (51), 28 states have return successors, (160), 63 states have call predecessors, (160), 51 states have call successors, (160)
[2021-10-28 23:02:49,653 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 385 transitions.
[2021-10-28 23:02:49,654 INFO  L78                 Accepts]: Start accepts. Automaton has 225 states and 385 transitions. Word has length 174
[2021-10-28 23:02:49,658 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:49,658 INFO  L470      AbstractCegarLoop]: Abstraction has 225 states and 385 transitions.
[2021-10-28 23:02:49,659 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 15 states have (on average 2.6) internal successors, (39), 16 states have internal predecessors, (39), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (18), 13 states have call predecessors, (18), 10 states have call successors, (18)
[2021-10-28 23:02:49,659 INFO  L276                IsEmpty]: Start isEmpty. Operand 225 states and 385 transitions.
[2021-10-28 23:02:49,675 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 352
[2021-10-28 23:02:49,675 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:02:49,676 INFO  L513         BasicCegarLoop]: trace histogram [51, 51, 41, 25, 25, 25, 25, 25, 25, 25, 16, 10, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:49,723 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:49,893 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:49,894 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:49,894 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:49,894 INFO  L85        PathProgramCache]: Analyzing trace with hash 1843553927, now seen corresponding path program 6 times
[2021-10-28 23:02:49,894 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:49,895 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793739636]
[2021-10-28 23:02:49,895 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:49,895 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:49,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,186 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-10-28 23:02:50,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,378 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,453 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,464 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,505 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,547 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,582 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,585 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,617 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,634 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:50,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,638 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:50,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,643 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:50,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,650 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,654 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:50,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,657 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64
[2021-10-28 23:02:50,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,667 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,672 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,673 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,676 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:50,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,679 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:50,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,683 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105
[2021-10-28 23:02:50,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,698 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,700 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,704 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,709 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,713 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:50,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,716 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:50,717 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,719 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:50,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,724 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,728 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:50,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,733 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173
[2021-10-28 23:02:50,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,825 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,883 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,914 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,945 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,951 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:50,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,954 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:50,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,958 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:50,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:50,961 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:50,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,022 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:51,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,027 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:51,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,031 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64
[2021-10-28 23:02:51,035 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,040 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:51,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,047 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:51,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,050 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:51,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,055 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:51,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,059 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105
[2021-10-28 23:02:51,065 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,074 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:51,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,080 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:51,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,085 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:51,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,089 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:51,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,092 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:51,093 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,095 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:51,097 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,100 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:51,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,104 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:51,104 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,113 INFO  L134       CoverageAnalysis]: Checked inductivity of 7120 backedges. 844 proven. 1612 refuted. 0 times theorem prover too weak. 4664 trivial. 0 not checked.
[2021-10-28 23:02:51,114 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:51,114 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793739636]
[2021-10-28 23:02:51,114 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793739636] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:51,114 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866686604]
[2021-10-28 23:02:51,114 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2021-10-28 23:02:51,115 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:51,115 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:51,116 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:02:51,143 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-10-28 23:02:51,606 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 38 check-sat command(s)
[2021-10-28 23:02:51,607 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-28 23:02:51,611 INFO  L263         TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-10-28 23:02:51,624 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:02:52,650 INFO  L134       CoverageAnalysis]: Checked inductivity of 7120 backedges. 1045 proven. 197 refuted. 0 times theorem prover too weak. 5878 trivial. 0 not checked.
[2021-10-28 23:02:52,650 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866686604] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:52,650 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 23:02:52,651 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 9] total 27
[2021-10-28 23:02:52,654 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32275074]
[2021-10-28 23:02:52,655 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2021-10-28 23:02:52,656 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:52,656 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2021-10-28 23:02:52,657 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=554, Unknown=0, NotChecked=0, Total=702
[2021-10-28 23:02:52,657 INFO  L87              Difference]: Start difference. First operand 225 states and 385 transitions. Second operand  has 27 states, 26 states have (on average 2.3076923076923075) internal successors, (60), 27 states have internal predecessors, (60), 14 states have call successors, (18), 1 states have call predecessors, (18), 14 states have return successors, (30), 23 states have call predecessors, (30), 14 states have call successors, (30)
[2021-10-28 23:02:53,482 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:53,482 INFO  L93              Difference]: Finished difference Result 350 states and 695 transitions.
[2021-10-28 23:02:53,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2021-10-28 23:02:53,483 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 26 states have (on average 2.3076923076923075) internal successors, (60), 27 states have internal predecessors, (60), 14 states have call successors, (18), 1 states have call predecessors, (18), 14 states have return successors, (30), 23 states have call predecessors, (30), 14 states have call successors, (30) Word has length 351
[2021-10-28 23:02:53,484 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:53,486 INFO  L225             Difference]: With dead ends: 350
[2021-10-28 23:02:53,486 INFO  L226             Difference]: Without dead ends: 118
[2021-10-28 23:02:53,491 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=480, Invalid=1872, Unknown=0, NotChecked=0, Total=2352
[2021-10-28 23:02:53,492 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118 states.
[2021-10-28 23:02:53,507 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 92.
[2021-10-28 23:02:53,507 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 62 states have internal predecessors, (71), 17 states have call successors, (17), 14 states have call predecessors, (17), 8 states have return successors, (30), 15 states have call predecessors, (30), 17 states have call successors, (30)
[2021-10-28 23:02:53,509 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 118 transitions.
[2021-10-28 23:02:53,510 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 118 transitions. Word has length 351
[2021-10-28 23:02:53,510 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:53,511 INFO  L470      AbstractCegarLoop]: Abstraction has 92 states and 118 transitions.
[2021-10-28 23:02:53,511 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 26 states have (on average 2.3076923076923075) internal successors, (60), 27 states have internal predecessors, (60), 14 states have call successors, (18), 1 states have call predecessors, (18), 14 states have return successors, (30), 23 states have call predecessors, (30), 14 states have call successors, (30)
[2021-10-28 23:02:53,511 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 118 transitions.
[2021-10-28 23:02:53,519 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 284
[2021-10-28 23:02:53,519 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:02:53,519 INFO  L513         BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:53,565 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:53,733 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:53,734 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:53,734 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:53,734 INFO  L85        PathProgramCache]: Analyzing trace with hash 1099173212, now seen corresponding path program 7 times
[2021-10-28 23:02:53,734 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:53,734 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825260802]
[2021-10-28 23:02:53,734 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:53,735 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:53,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,034 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-10-28 23:02:54,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,222 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:54,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,379 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:54,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,472 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:54,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,568 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:54,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,674 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:54,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,756 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:54,758 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,766 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:54,768 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,804 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:54,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,816 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:54,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,841 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:54,843 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,859 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:54,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,874 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64
[2021-10-28 23:02:54,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,922 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:54,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,946 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:54,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,956 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:54,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,966 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:54,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:54,980 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105
[2021-10-28 23:02:54,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,022 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:55,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,064 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:55,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,092 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:55,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,102 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:55,104 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,114 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:55,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,124 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:55,128 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,148 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:55,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,158 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:55,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,169 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173
[2021-10-28 23:02:55,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,220 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:55,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,251 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:55,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,278 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:55,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,298 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:55,299 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,306 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:55,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,315 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:55,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,325 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:55,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,346 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:55,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,354 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:55,356 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,363 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64
[2021-10-28 23:02:55,368 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,387 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:55,390 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,407 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:55,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,416 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:55,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,425 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:55,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,440 INFO  L134       CoverageAnalysis]: Checked inductivity of 4568 backedges. 0 proven. 1500 refuted. 0 times theorem prover too weak. 3068 trivial. 0 not checked.
[2021-10-28 23:02:55,441 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:55,441 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825260802]
[2021-10-28 23:02:55,441 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825260802] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:55,441 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692998908]
[2021-10-28 23:02:55,442 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2021-10-28 23:02:55,442 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:55,442 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:55,446 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:02:55,469 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-10-28 23:02:55,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:55,991 INFO  L263         TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 167 conjunts are in the unsatisfiable core
[2021-10-28 23:02:55,999 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:02:58,429 INFO  L134       CoverageAnalysis]: Checked inductivity of 4568 backedges. 0 proven. 1500 refuted. 0 times theorem prover too weak. 3068 trivial. 0 not checked.
[2021-10-28 23:02:58,430 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [692998908] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:58,430 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 23:02:58,430 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 28
[2021-10-28 23:02:58,431 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229390762]
[2021-10-28 23:02:58,434 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2021-10-28 23:02:58,434 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:02:58,435 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2021-10-28 23:02:58,435 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756
[2021-10-28 23:02:58,436 INFO  L87              Difference]: Start difference. First operand 92 states and 118 transitions. Second operand  has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 15 states have internal predecessors, (34), 6 states have call successors, (7), 1 states have call predecessors, (7), 7 states have return successors, (18), 18 states have call predecessors, (18), 6 states have call successors, (18)
[2021-10-28 23:02:58,783 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:02:58,784 INFO  L93              Difference]: Finished difference Result 131 states and 175 transitions.
[2021-10-28 23:02:58,784 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2021-10-28 23:02:58,784 INFO  L78                 Accepts]: Start accepts. Automaton has  has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 15 states have internal predecessors, (34), 6 states have call successors, (7), 1 states have call predecessors, (7), 7 states have return successors, (18), 18 states have call predecessors, (18), 6 states have call successors, (18) Word has length 283
[2021-10-28 23:02:58,786 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:02:58,787 INFO  L225             Difference]: With dead ends: 131
[2021-10-28 23:02:58,787 INFO  L226             Difference]: Without dead ends: 127
[2021-10-28 23:02:58,789 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 401 SyntacticMatches, 22 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756
[2021-10-28 23:02:58,789 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 127 states.
[2021-10-28 23:02:58,800 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 120.
[2021-10-28 23:02:58,800 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 120 states, 83 states have (on average 1.0602409638554218) internal successors, (88), 79 states have internal predecessors, (88), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (51), 26 states have call predecessors, (51), 22 states have call successors, (51)
[2021-10-28 23:02:58,803 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 161 transitions.
[2021-10-28 23:02:58,803 INFO  L78                 Accepts]: Start accepts. Automaton has 120 states and 161 transitions. Word has length 283
[2021-10-28 23:02:58,804 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:02:58,805 INFO  L470      AbstractCegarLoop]: Abstraction has 120 states and 161 transitions.
[2021-10-28 23:02:58,805 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 15 states have internal predecessors, (34), 6 states have call successors, (7), 1 states have call predecessors, (7), 7 states have return successors, (18), 18 states have call predecessors, (18), 6 states have call successors, (18)
[2021-10-28 23:02:58,805 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 161 transitions.
[2021-10-28 23:02:58,811 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 298
[2021-10-28 23:02:58,812 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:02:58,812 INFO  L513         BasicCegarLoop]: trace histogram [43, 43, 35, 21, 21, 21, 21, 21, 21, 21, 14, 8, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:02:58,864 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:59,025 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:59,025 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:02:59,026 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:59,026 INFO  L85        PathProgramCache]: Analyzing trace with hash 2121693079, now seen corresponding path program 8 times
[2021-10-28 23:02:59,026 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:59,026 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588376595]
[2021-10-28 23:02:59,026 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:59,027 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:59,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,200 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-10-28 23:02:59,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,300 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,397 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,412 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,429 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,459 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,464 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,481 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,512 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,554 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,558 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:59,559 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,562 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:59,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,566 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:59,568 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,578 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2021-10-28 23:02:59,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,584 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,585 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,587 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:59,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,591 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2021-10-28 23:02:59,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,599 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,604 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,608 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:59,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,611 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:59,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,614 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2021-10-28 23:02:59,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,626 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,628 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,632 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,634 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,640 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,643 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:59,644 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,646 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:59,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,650 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:59,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,655 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,658 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:59,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,661 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187
[2021-10-28 23:02:59,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,682 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,691 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,697 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,698 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,702 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,705 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:59,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,708 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:59,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,711 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2021-10-28 23:02:59,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,716 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,717 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,720 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:59,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,723 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64
[2021-10-28 23:02:59,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,729 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,734 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2021-10-28 23:02:59,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,737 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2021-10-28 23:02:59,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,741 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-10-28 23:02:59,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:59,748 INFO  L134       CoverageAnalysis]: Checked inductivity of 5047 backedges. 329 proven. 859 refuted. 0 times theorem prover too weak. 3859 trivial. 0 not checked.
[2021-10-28 23:02:59,748 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:02:59,748 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588376595]
[2021-10-28 23:02:59,749 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588376595] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:02:59,749 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319848548]
[2021-10-28 23:02:59,749 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-28 23:02:59,749 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:02:59,750 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:59,754 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:02:59,773 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2021-10-28 23:03:00,450 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-10-28 23:03:00,450 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-28 23:03:00,454 INFO  L263         TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 18 conjunts are in the unsatisfiable core
[2021-10-28 23:03:00,461 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:03:01,383 INFO  L134       CoverageAnalysis]: Checked inductivity of 5047 backedges. 322 proven. 1252 refuted. 0 times theorem prover too weak. 3473 trivial. 0 not checked.
[2021-10-28 23:03:01,384 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [319848548] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:03:01,384 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 23:03:01,384 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 18
[2021-10-28 23:03:01,385 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846263611]
[2021-10-28 23:03:01,386 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2021-10-28 23:03:01,386 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:03:01,388 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2021-10-28 23:03:01,388 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306
[2021-10-28 23:03:01,389 INFO  L87              Difference]: Start difference. First operand 120 states and 161 transitions. Second operand  has 18 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 18 states have internal predecessors, (53), 15 states have call successors, (17), 1 states have call predecessors, (17), 11 states have return successors, (26), 12 states have call predecessors, (26), 15 states have call successors, (26)
[2021-10-28 23:03:01,760 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:03:01,760 INFO  L93              Difference]: Finished difference Result 220 states and 342 transitions.
[2021-10-28 23:03:01,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-10-28 23:03:01,761 INFO  L78                 Accepts]: Start accepts. Automaton has  has 18 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 18 states have internal predecessors, (53), 15 states have call successors, (17), 1 states have call predecessors, (17), 11 states have return successors, (26), 12 states have call predecessors, (26), 15 states have call successors, (26) Word has length 297
[2021-10-28 23:03:01,762 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:03:01,762 INFO  L225             Difference]: With dead ends: 220
[2021-10-28 23:03:01,762 INFO  L226             Difference]: Without dead ends: 0
[2021-10-28 23:03:01,765 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600
[2021-10-28 23:03:01,765 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-28 23:03:01,765 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-28 23:03:01,766 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:03:01,766 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-28 23:03:01,766 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 297
[2021-10-28 23:03:01,766 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:03:01,767 INFO  L470      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-28 23:03:01,767 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 18 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 18 states have internal predecessors, (53), 15 states have call successors, (17), 1 states have call predecessors, (17), 11 states have return successors, (26), 12 states have call predecessors, (26), 15 states have call successors, (26)
[2021-10-28 23:03:01,767 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-28 23:03:01,767 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-28 23:03:01,770 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-28 23:03:01,821 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2021-10-28 23:03:01,981 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2021-10-28 23:03:01,983 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-28 23:03:01,988 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:01,995 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:01,998 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,006 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,009 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,014 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,016 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,017 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,022 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,023 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,024 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,026 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,027 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,027 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,028 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,030 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,031 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,036 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,037 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,049 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,050 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,050 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,051 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,052 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,053 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,054 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,054 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,058 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,059 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,060 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,062 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,063 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,066 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,067 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,069 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,070 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,071 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,076 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,077 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,079 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,079 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,082 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,082 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,083 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,084 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,085 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,086 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,096 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,104 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,105 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,114 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,115 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,115 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,117 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,117 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,118 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,121 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,121 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,122 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,122 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,125 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,126 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,126 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,130 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,133 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,135 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,135 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,142 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,142 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,144 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,145 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,146 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,162 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,162 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,163 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,163 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,164 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,165 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,166 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,167 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,168 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,168 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,169 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,169 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,170 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,170 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,171 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,172 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,173 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,173 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,174 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,182 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,183 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,184 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,185 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,186 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,186 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,187 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,187 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,188 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,189 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,189 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,190 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,191 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,209 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,212 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,213 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,215 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,216 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,216 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,217 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,218 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,219 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,219 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,220 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,221 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,222 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,224 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,225 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,226 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,226 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,227 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,228 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,229 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,230 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,231 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,231 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,232 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,234 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,235 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,235 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,236 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,236 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,237 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,238 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,238 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,239 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,240 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,241 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,241 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,242 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,243 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,244 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,251 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,251 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,252 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,253 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,254 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,254 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,255 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,255 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,256 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,257 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,257 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,258 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,258 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,259 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,260 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,260 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,261 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,261 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,262 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,263 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,263 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,268 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,269 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,270 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,270 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,271 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,272 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,272 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,274 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,274 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,275 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,276 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,276 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,277 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,278 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,278 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,279 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,279 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,280 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,280 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,281 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,282 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,282 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,283 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,283 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,284 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,284 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,285 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,286 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,286 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,288 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,289 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,293 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,294 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,295 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,295 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,296 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,297 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,297 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,298 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,299 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,299 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,300 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,300 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,301 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,301 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,302 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,302 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,303 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,304 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,304 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,305 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,305 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,306 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,307 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,310 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,310 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,311 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,312 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,312 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,313 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,314 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,314 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,315 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,315 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,316 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,317 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,317 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,318 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,318 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,319 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,321 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,325 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,326 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,326 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,327 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,328 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,329 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,330 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,331 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,331 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,332 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,341 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,342 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,343 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,343 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,344 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,345 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,345 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,346 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,347 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,347 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,349 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,354 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,354 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,355 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,355 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,356 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,357 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,357 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,358 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,358 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,359 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,359 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,360 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,360 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,361 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,361 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,362 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,362 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,363 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,363 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,364 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,364 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,365 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,365 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,366 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,366 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,367 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,368 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,368 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,369 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,369 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,370 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,370 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,371 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,371 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,372 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,372 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,373 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,373 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,374 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,374 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,375 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,375 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,376 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,376 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,377 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,377 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,378 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,378 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,379 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,379 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,380 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,380 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,381 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,381 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,382 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,382 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,383 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,384 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,384 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,385 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,385 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,386 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,386 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,386 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:03:02,876 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-10-28 23:03:02,877 INFO  L857   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-10-28 23:03:02,877 INFO  L853   garLoopResultBuilder]: At program point L31(lines 25 32) the Hoare annotation is: (<= 7 ULTIMATE.start_main_~x~0)
[2021-10-28 23:03:02,877 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-10-28 23:03:02,877 INFO  L857   garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed.
[2021-10-28 23:03:02,878 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-10-28 23:03:02,878 INFO  L857   garLoopResultBuilder]: For program point L28(lines 28 30) no Hoare annotation was computed.
[2021-10-28 23:03:02,878 INFO  L853   garLoopResultBuilder]: At program point L27(line 27) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 7) (<= 7 ULTIMATE.start_main_~x~0))
[2021-10-28 23:03:02,878 INFO  L857   garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed.
[2021-10-28 23:03:02,879 INFO  L857   garLoopResultBuilder]: For program point L28-2(lines 28 30) no Hoare annotation was computed.
[2021-10-28 23:03:02,879 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 29) no Hoare annotation was computed.
[2021-10-28 23:03:02,879 INFO  L857   garLoopResultBuilder]: For program point fiboEXIT(lines 7 15) no Hoare annotation was computed.
[2021-10-28 23:03:02,879 INFO  L857   garLoopResultBuilder]: For program point fiboFINAL(lines 7 15) no Hoare annotation was computed.
[2021-10-28 23:03:02,880 INFO  L853   garLoopResultBuilder]: At program point L13(line 13) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (not (<= |fibo_#in~n| 1)))
[2021-10-28 23:03:02,880 INFO  L857   garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed.
[2021-10-28 23:03:02,880 INFO  L853   garLoopResultBuilder]: At program point L13-2(line 13) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (let ((.cse0 (<= 1 |fibo_#t~ret7|)) (.cse1 (<= |fibo_#t~ret7| 1))) (or (and .cse0 (< 1 fibo_~n) (<= fibo_~n 2) .cse1) (and (<= 7 |fibo_#in~n|) (<= 8 |fibo_#t~ret7|) (<= |fibo_#t~ret7| 8)) (and (<= 3 fibo_~n) .cse0 .cse1 (<= fibo_~n 3)) (and (<= 4 fibo_~n) (<= fibo_~n 4) (<= 2 |fibo_#t~ret7|) (<= |fibo_#t~ret7| 2)) (<= 8 |fibo_#in~n|) (and (<= 3 |fibo_#t~ret7|) (<= |fibo_#t~ret7| 3) (<= 5 |fibo_#in~n|) (<= fibo_~n 5)) (and (<= 5 |fibo_#t~ret7|) (<= fibo_~n 6) (<= |fibo_#t~ret7| 5) (<= 6 |fibo_#in~n|)))))
[2021-10-28 23:03:02,880 INFO  L857   garLoopResultBuilder]: For program point L10(lines 10 14) no Hoare annotation was computed.
[2021-10-28 23:03:02,881 INFO  L857   garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed.
[2021-10-28 23:03:02,881 INFO  L857   garLoopResultBuilder]: For program point L8(lines 8 14) no Hoare annotation was computed.
[2021-10-28 23:03:02,881 INFO  L860   garLoopResultBuilder]: At program point fiboENTRY(lines 7 15) the Hoare annotation is: true
[2021-10-28 23:03:02,885 INFO  L731         BasicCegarLoop]: Path program histogram: [8, 1, 1, 1]
[2021-10-28 23:03:02,887 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 23:03:02,901 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:03:02 BoogieIcfgContainer
[2021-10-28 23:03:02,902 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 23:03:02,902 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:03:02,903 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:03:02,903 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-28 23:03:02,903 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:02:41" (3/4) ...
[2021-10-28 23:03:02,907 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-28 23:03:02,916 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure fibo
[2021-10-28 23:03:02,920 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2021-10-28 23:03:02,921 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-28 23:03:02,921 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-28 23:03:02,921 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-28 23:03:02,958 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:03:02,959 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:03:02,961 INFO  L168              Benchmark]: Toolchain (without parser) took 22334.98 ms. Allocated memory was 86.0 MB in the beginning and 224.4 MB in the end (delta: 138.4 MB). Free memory was 50.2 MB in the beginning and 159.8 MB in the end (delta: -109.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:02,961 INFO  L168              Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 66.6 MB in the beginning and 66.6 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:03:02,963 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 316.99 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.1 MB in the beginning and 82.1 MB in the end (delta: -32.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:02,963 INFO  L168              Benchmark]: Boogie Procedure Inliner took 39.40 ms. Allocated memory is still 104.9 MB. Free memory was 82.1 MB in the beginning and 80.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:02,964 INFO  L168              Benchmark]: Boogie Preprocessor took 22.78 ms. Allocated memory is still 104.9 MB. Free memory was 80.6 MB in the beginning and 79.7 MB in the end (delta: 900.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:03:02,964 INFO  L168              Benchmark]: RCFGBuilder took 395.46 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 70.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:02,965 INFO  L168              Benchmark]: TraceAbstraction took 21495.86 ms. Allocated memory was 104.9 MB in the beginning and 224.4 MB in the end (delta: 119.5 MB). Free memory was 70.2 MB in the beginning and 162.9 MB in the end (delta: -92.7 MB). Peak memory consumption was 111.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:02,965 INFO  L168              Benchmark]: Witness Printer took 56.58 ms. Allocated memory is still 224.4 MB. Free memory was 162.9 MB in the beginning and 159.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:03:02,968 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 66.6 MB in the beginning and 66.6 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 316.99 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.1 MB in the beginning and 82.1 MB in the end (delta: -32.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 39.40 ms. Allocated memory is still 104.9 MB. Free memory was 82.1 MB in the beginning and 80.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 22.78 ms. Allocated memory is still 104.9 MB. Free memory was 80.6 MB in the beginning and 79.7 MB in the end (delta: 900.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * RCFGBuilder took 395.46 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 70.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 21495.86 ms. Allocated memory was 104.9 MB in the beginning and 224.4 MB in the end (delta: 119.5 MB). Free memory was 70.2 MB in the beginning and 162.9 MB in the end (delta: -92.7 MB). Peak memory consumption was 111.1 MB. Max. memory is 16.1 GB.
 * Witness Printer took 56.58 ms. Allocated memory is still 224.4 MB. Free memory was 162.9 MB in the beginning and 159.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 29]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.4s, OverallIterations: 11, TraceHistogramMax: 51, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 233 SDtfs, 576 SDslu, 1197 SDs, 0 SdLazy, 1934 SolverSat, 627 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1986 GetRequests, 1782 SyntacticMatches, 24 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1072 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=8, InterpolantAutomatonStates: 158, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 59 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 320 PreInvPairs, 437 NumberOfFragments, 102 HoareAnnotationTreeSize, 320 FomulaSimplifications, 846 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 5 FomulaSimplificationsInter, 1501 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 2741 NumberOfCodeBlocks, 2689 NumberOfCodeBlocksAsserted, 79 NumberOfCheckSat, 2721 ConstructedInterpolants, 0 QuantifiedInterpolants, 5831 SizeOfPredicates, 33 NumberOfNonLiveVariables, 3126 ConjunctsInSsa, 247 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 30255/38440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 25]: Loop Invariant
    Derived loop invariant: 7 <= x
RESULT: Ultimate proved your program to be correct!
[2021-10-28 23:03:03,035 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daac88c7-c160-4583-a865-52750c1d1129/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...