./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-008.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 53f42b1a
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-008.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF --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 8f1a1519dc3ac954bb27ae35f40dd4ee3500f707e2df097fc14441b899353328
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-53f42b1
[2021-11-20 06:57:06,093 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-20 06:57:06,098 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-20 06:57:06,137 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-20 06:57:06,138 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-20 06:57:06,139 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-20 06:57:06,141 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-20 06:57:06,148 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-20 06:57:06,150 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-20 06:57:06,152 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-20 06:57:06,153 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-20 06:57:06,154 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-20 06:57:06,155 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-20 06:57:06,156 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-20 06:57:06,158 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-20 06:57:06,159 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-20 06:57:06,160 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-20 06:57:06,162 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-20 06:57:06,174 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-20 06:57:06,184 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-20 06:57:06,186 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-20 06:57:06,191 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-20 06:57:06,193 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-20 06:57:06,194 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-20 06:57:06,197 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-20 06:57:06,198 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-20 06:57:06,198 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-20 06:57:06,199 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-20 06:57:06,200 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-20 06:57:06,201 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-20 06:57:06,202 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-20 06:57:06,211 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-20 06:57:06,213 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-20 06:57:06,214 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-20 06:57:06,215 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-20 06:57:06,215 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-20 06:57:06,216 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-20 06:57:06,216 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-20 06:57:06,216 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-20 06:57:06,217 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-20 06:57:06,218 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-20 06:57:06,219 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-20 06:57:06,251 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-20 06:57:06,251 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-20 06:57:06,251 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-20 06:57:06,251 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-20 06:57:06,252 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-20 06:57:06,253 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-20 06:57:06,253 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-20 06:57:06,254 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-20 06:57:06,254 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-20 06:57:06,254 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-20 06:57:06,254 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-20 06:57:06,255 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-20 06:57:06,255 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-20 06:57:06,255 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-20 06:57:06,255 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-20 06:57:06,255 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-20 06:57:06,256 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-20 06:57:06,256 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-20 06:57:06,256 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-20 06:57:06,256 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-20 06:57:06,257 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-20 06:57:06,257 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-20 06:57:06,257 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-20 06:57:06,257 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-20 06:57:06,258 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 06:57:06,258 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-20 06:57:06,258 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-20 06:57:06,258 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-20 06:57:06,259 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-20 06:57:06,259 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-20 06:57:06,259 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-20 06:57:06,259 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-20 06:57:06,259 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-20 06:57:06,260 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-20 06:57:06,260 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_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/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_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF
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 -> 8f1a1519dc3ac954bb27ae35f40dd4ee3500f707e2df097fc14441b899353328
[2021-11-20 06:57:06,603 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-20 06:57:06,642 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-20 06:57:06,646 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-20 06:57:06,648 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-20 06:57:06,649 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-20 06:57:06,652 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/xcsp/AllInterval-008.c
[2021-11-20 06:57:06,750 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/data/e7ba0876c/9c33cf172dea495886b90d0c25d04e5a/FLAGd0aad49a9
[2021-11-20 06:57:07,313 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-20 06:57:07,314 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/sv-benchmarks/c/xcsp/AllInterval-008.c
[2021-11-20 06:57:07,329 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/data/e7ba0876c/9c33cf172dea495886b90d0c25d04e5a/FLAGd0aad49a9
[2021-11-20 06:57:07,641 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/data/e7ba0876c/9c33cf172dea495886b90d0c25d04e5a
[2021-11-20 06:57:07,646 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-20 06:57:07,647 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-20 06:57:07,653 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-20 06:57:07,654 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-20 06:57:07,658 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-20 06:57:07,659 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:57:07" (1/1) ...
[2021-11-20 06:57:07,660 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480d0f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:07, skipping insertion in model container
[2021-11-20 06:57:07,661 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:57:07" (1/1) ...
[2021-11-20 06:57:07,672 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-20 06:57:07,716 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-20 06:57:07,945 WARN  L230   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_a1435da8-4de6-4e71-8b89-817302d8a47f/sv-benchmarks/c/xcsp/AllInterval-008.c[4334,4347]
[2021-11-20 06:57:07,964 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-20 06:57:07,978 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-20 06:57:08,053 WARN  L230   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_a1435da8-4de6-4e71-8b89-817302d8a47f/sv-benchmarks/c/xcsp/AllInterval-008.c[4334,4347]
[2021-11-20 06:57:08,055 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-20 06:57:08,070 INFO  L208         MainTranslator]: Completed translation
[2021-11-20 06:57:08,070 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:08 WrapperNode
[2021-11-20 06:57:08,071 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-20 06:57:08,072 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-20 06:57:08,072 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-20 06:57:08,073 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-20 06:57:08,082 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:08" (1/1) ...
[2021-11-20 06:57:08,092 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:08" (1/1) ...
[2021-11-20 06:57:08,135 INFO  L137                Inliner]: procedures = 13, calls = 93, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 206
[2021-11-20 06:57:08,136 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-20 06:57:08,137 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-20 06:57:08,137 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-20 06:57:08,137 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-20 06:57:08,148 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:08" (1/1) ...
[2021-11-20 06:57:08,148 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:08" (1/1) ...
[2021-11-20 06:57:08,152 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:08" (1/1) ...
[2021-11-20 06:57:08,153 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:08" (1/1) ...
[2021-11-20 06:57:08,161 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:08" (1/1) ...
[2021-11-20 06:57:08,165 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:08" (1/1) ...
[2021-11-20 06:57:08,177 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:08" (1/1) ...
[2021-11-20 06:57:08,179 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-20 06:57:08,180 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-20 06:57:08,181 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-20 06:57:08,181 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-20 06:57:08,182 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:08" (1/1) ...
[2021-11-20 06:57:08,201 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 06:57:08,219 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/z3
[2021-11-20 06:57:08,231 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-20 06:57:08,241 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-20 06:57:08,275 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-20 06:57:08,275 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-20 06:57:08,275 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-20 06:57:08,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-20 06:57:08,276 INFO  L130     BoogieDeclarations]: Found specification of procedure assume
[2021-11-20 06:57:08,276 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume
[2021-11-20 06:57:08,353 INFO  L236             CfgBuilder]: Building ICFG
[2021-11-20 06:57:08,354 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-20 06:57:08,772 INFO  L277             CfgBuilder]: Performing block encoding
[2021-11-20 06:57:08,785 INFO  L296             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-20 06:57:08,786 INFO  L301             CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-20 06:57:08,789 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:57:08 BoogieIcfgContainer
[2021-11-20 06:57:08,789 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-20 06:57:08,791 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-20 06:57:08,792 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-20 06:57:08,799 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-20 06:57:08,800 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:57:07" (1/3) ...
[2021-11-20 06:57:08,801 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be4f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:57:08, skipping insertion in model container
[2021-11-20 06:57:08,802 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:08" (2/3) ...
[2021-11-20 06:57:08,803 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be4f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:57:08, skipping insertion in model container
[2021-11-20 06:57:08,803 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:57:08" (3/3) ...
[2021-11-20 06:57:08,805 INFO  L111   eAbstractionObserver]: Analyzing ICFG AllInterval-008.c
[2021-11-20 06:57:08,819 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-20 06:57:08,820 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-20 06:57:08,891 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-20 06:57:08,900 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
[2021-11-20 06:57:08,901 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-20 06:57:08,932 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 133 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 45 states have internal predecessors, (53), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86)
[2021-11-20 06:57:08,969 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 470
[2021-11-20 06:57:08,970 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-20 06:57:08,971 INFO  L514         BasicCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 06:57:08,972 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-20 06:57:08,979 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 06:57:08,980 INFO  L85        PathProgramCache]: Analyzing trace with hash 266037521, now seen corresponding path program 1 times
[2021-11-20 06:57:08,991 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 06:57:08,992 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737658546]
[2021-11-20 06:57:08,993 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 06:57:08,994 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 06:57:09,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,296 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-20 06:57:09,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,324 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2021-11-20 06:57:09,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,341 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-20 06:57:09,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,359 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-20 06:57:09,361 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,370 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2021-11-20 06:57:09,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,387 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2021-11-20 06:57:09,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,396 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2021-11-20 06:57:09,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,411 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2021-11-20 06:57:09,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,439 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2021-11-20 06:57:09,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,446 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2021-11-20 06:57:09,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,470 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2021-11-20 06:57:09,472 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,477 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2021-11-20 06:57:09,478 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,484 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68
[2021-11-20 06:57:09,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,497 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2021-11-20 06:57:09,498 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,509 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79
[2021-11-20 06:57:09,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,516 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2021-11-20 06:57:09,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,524 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2021-11-20 06:57:09,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,532 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-20 06:57:09,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,543 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101
[2021-11-20 06:57:09,545 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,554 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106
[2021-11-20 06:57:09,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,566 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112
[2021-11-20 06:57:09,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,585 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117
[2021-11-20 06:57:09,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,597 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123
[2021-11-20 06:57:09,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,612 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2021-11-20 06:57:09,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,648 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2021-11-20 06:57:09,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,659 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2021-11-20 06:57:09,663 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,670 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2021-11-20 06:57:09,673 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,680 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2021-11-20 06:57:09,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,695 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2021-11-20 06:57:09,697 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,704 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2021-11-20 06:57:09,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,714 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167
[2021-11-20 06:57:09,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,734 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2021-11-20 06:57:09,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,742 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2021-11-20 06:57:09,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,749 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2021-11-20 06:57:09,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,756 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187
[2021-11-20 06:57:09,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,767 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192
[2021-11-20 06:57:09,768 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,776 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197
[2021-11-20 06:57:09,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,784 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202
[2021-11-20 06:57:09,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,795 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207
[2021-11-20 06:57:09,800 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,810 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212
[2021-11-20 06:57:09,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,819 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217
[2021-11-20 06:57:09,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,828 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222
[2021-11-20 06:57:09,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,839 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227
[2021-11-20 06:57:09,843 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,859 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232
[2021-11-20 06:57:09,860 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,868 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237
[2021-11-20 06:57:09,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,883 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242
[2021-11-20 06:57:09,884 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,892 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247
[2021-11-20 06:57:09,893 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,900 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252
[2021-11-20 06:57:09,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,906 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257
[2021-11-20 06:57:09,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,915 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262
[2021-11-20 06:57:09,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,926 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267
[2021-11-20 06:57:09,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,935 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272
[2021-11-20 06:57:09,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,951 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277
[2021-11-20 06:57:09,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,968 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2021-11-20 06:57:09,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,975 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287
[2021-11-20 06:57:09,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,982 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292
[2021-11-20 06:57:09,985 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,989 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297
[2021-11-20 06:57:09,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:09,997 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302
[2021-11-20 06:57:10,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,008 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307
[2021-11-20 06:57:10,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,013 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312
[2021-11-20 06:57:10,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,020 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317
[2021-11-20 06:57:10,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,026 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322
[2021-11-20 06:57:10,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,034 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2021-11-20 06:57:10,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,047 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332
[2021-11-20 06:57:10,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,056 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337
[2021-11-20 06:57:10,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,064 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342
[2021-11-20 06:57:10,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,070 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347
[2021-11-20 06:57:10,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,077 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352
[2021-11-20 06:57:10,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,085 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357
[2021-11-20 06:57:10,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,091 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362
[2021-11-20 06:57:10,093 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,098 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367
[2021-11-20 06:57:10,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,108 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372
[2021-11-20 06:57:10,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,121 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2021-11-20 06:57:10,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,126 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382
[2021-11-20 06:57:10,128 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,133 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387
[2021-11-20 06:57:10,136 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,140 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392
[2021-11-20 06:57:10,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,146 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397
[2021-11-20 06:57:10,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,170 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402
[2021-11-20 06:57:10,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,179 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407
[2021-11-20 06:57:10,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,185 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415
[2021-11-20 06:57:10,186 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,192 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423
[2021-11-20 06:57:10,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,199 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431
[2021-11-20 06:57:10,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,209 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439
[2021-11-20 06:57:10,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,215 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447
[2021-11-20 06:57:10,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,224 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455
[2021-11-20 06:57:10,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,237 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463
[2021-11-20 06:57:10,239 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 06:57:10,255 INFO  L134       CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked.
[2021-11-20 06:57:10,256 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 06:57:10,257 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737658546]
[2021-11-20 06:57:10,258 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737658546] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 06:57:10,258 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 06:57:10,258 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-20 06:57:10,260 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019433518]
[2021-11-20 06:57:10,261 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 06:57:10,274 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-20 06:57:10,274 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 06:57:10,306 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-20 06:57:10,307 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-20 06:57:10,310 INFO  L87              Difference]: Start difference. First operand  has 133 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 45 states have internal predecessors, (53), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand  has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 2 states have call successors, (86)
[2021-11-20 06:57:10,380 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 06:57:10,380 INFO  L93              Difference]: Finished difference Result 260 states and 530 transitions.
[2021-11-20 06:57:10,381 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 06:57:10,383 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 2 states have call successors, (86) Word has length 469
[2021-11-20 06:57:10,383 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 06:57:10,394 INFO  L225             Difference]: With dead ends: 260
[2021-11-20 06:57:10,394 INFO  L226             Difference]: Without dead ends: 130
[2021-11-20 06:57:10,403 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-20 06:57:10,407 INFO  L933         BasicCegarLoop]: 221 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2021-11-20 06:57:10,408 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2021-11-20 06:57:10,428 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2021-11-20 06:57:10,503 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130.
[2021-11-20 06:57:10,509 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 130 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 42 states have internal predecessors, (49), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86)
[2021-11-20 06:57:10,522 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 221 transitions.
[2021-11-20 06:57:10,524 INFO  L78                 Accepts]: Start accepts. Automaton has 130 states and 221 transitions. Word has length 469
[2021-11-20 06:57:10,524 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-20 06:57:10,524 INFO  L470      AbstractCegarLoop]: Abstraction has 130 states and 221 transitions.
[2021-11-20 06:57:10,525 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 2 states have call successors, (86)
[2021-11-20 06:57:10,525 INFO  L276                IsEmpty]: Start isEmpty. Operand 130 states and 221 transitions.
[2021-11-20 06:57:10,548 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 470
[2021-11-20 06:57:10,548 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-20 06:57:10,549 INFO  L514         BasicCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 06:57:10,549 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-20 06:57:10,550 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-20 06:57:10,551 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 06:57:10,551 INFO  L85        PathProgramCache]: Analyzing trace with hash -827472959, now seen corresponding path program 1 times
[2021-11-20 06:57:10,551 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 06:57:10,552 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028807352]
[2021-11-20 06:57:10,555 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 06:57:10,555 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 06:57:11,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:48,516 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-20 07:07:48,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:48,524 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2021-11-20 07:07:48,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,255 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2021-11-20 07:07:49,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,259 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-20 07:07:49,260 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,263 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2021-11-20 07:07:49,264 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,269 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2021-11-20 07:07:49,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,273 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2021-11-20 07:07:49,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,279 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2021-11-20 07:07:49,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,283 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2021-11-20 07:07:49,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,287 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2021-11-20 07:07:49,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,295 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2021-11-20 07:07:49,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,300 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2021-11-20 07:07:49,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,304 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68
[2021-11-20 07:07:49,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,309 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2021-11-20 07:07:49,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,315 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79
[2021-11-20 07:07:49,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,326 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2021-11-20 07:07:49,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,331 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2021-11-20 07:07:49,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,343 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2021-11-20 07:07:49,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,351 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101
[2021-11-20 07:07:49,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,371 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106
[2021-11-20 07:07:49,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,389 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112
[2021-11-20 07:07:49,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,467 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117
[2021-11-20 07:07:49,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,585 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123
[2021-11-20 07:07:49,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,660 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2021-11-20 07:07:49,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,724 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2021-11-20 07:07:49,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,845 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2021-11-20 07:07:49,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:49,948 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2021-11-20 07:07:50,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:50,206 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2021-11-20 07:07:50,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:50,435 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2021-11-20 07:07:50,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:50,705 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2021-11-20 07:07:50,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:50,926 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167
[2021-11-20 07:07:51,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:51,139 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2021-11-20 07:07:51,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:51,338 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2021-11-20 07:07:51,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:51,550 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2021-11-20 07:07:51,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:51,787 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187
[2021-11-20 07:07:51,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:52,007 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192
[2021-11-20 07:07:52,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:52,223 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197
[2021-11-20 07:07:52,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:52,439 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202
[2021-11-20 07:07:52,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:52,735 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207
[2021-11-20 07:07:52,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:53,013 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212
[2021-11-20 07:07:53,126 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:53,293 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217
[2021-11-20 07:07:53,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:53,679 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222
[2021-11-20 07:07:53,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:53,938 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227
[2021-11-20 07:07:54,033 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:54,164 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232
[2021-11-20 07:07:54,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:54,413 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237
[2021-11-20 07:07:54,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:54,662 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242
[2021-11-20 07:07:54,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:54,929 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247
[2021-11-20 07:07:55,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:55,225 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252
[2021-11-20 07:07:55,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:55,519 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257
[2021-11-20 07:07:55,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:55,772 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262
[2021-11-20 07:07:55,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:56,035 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267
[2021-11-20 07:07:56,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:56,294 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272
[2021-11-20 07:07:56,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:56,563 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277
[2021-11-20 07:07:56,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:56,851 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2021-11-20 07:07:56,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:57,113 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287
[2021-11-20 07:07:57,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:57,363 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292
[2021-11-20 07:07:57,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:57,663 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297
[2021-11-20 07:07:57,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:57,929 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302
[2021-11-20 07:07:58,022 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:58,201 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307
[2021-11-20 07:07:58,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:58,489 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312
[2021-11-20 07:07:58,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:58,793 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317
[2021-11-20 07:07:58,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:59,085 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322
[2021-11-20 07:07:59,190 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:59,329 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2021-11-20 07:07:59,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:59,579 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332
[2021-11-20 07:07:59,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:07:59,828 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337
[2021-11-20 07:07:59,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:00,114 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342
[2021-11-20 07:08:00,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:00,352 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347
[2021-11-20 07:08:00,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:00,611 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352
[2021-11-20 07:08:00,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:00,887 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357
[2021-11-20 07:08:00,990 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:01,193 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362
[2021-11-20 07:08:01,277 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:01,386 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367
[2021-11-20 07:08:01,504 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:01,636 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372
[2021-11-20 07:08:01,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:01,834 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2021-11-20 07:08:01,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:02,037 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382
[2021-11-20 07:08:02,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:02,217 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387
[2021-11-20 07:08:02,337 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:02,447 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392
[2021-11-20 07:08:02,563 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:02,673 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397
[2021-11-20 07:08:02,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:02,878 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402
[2021-11-20 07:08:02,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:03,113 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407
[2021-11-20 07:08:03,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:03,338 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415
[2021-11-20 07:08:03,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:03,765 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423
[2021-11-20 07:08:03,939 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:04,059 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431
[2021-11-20 07:08:04,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:04,089 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439
[2021-11-20 07:08:04,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:04,095 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447
[2021-11-20 07:08:04,097 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:04,104 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455
[2021-11-20 07:08:04,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:04,110 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463
[2021-11-20 07:08:04,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:04,156 INFO  L134       CoverageAnalysis]: Checked inductivity of 14620 backedges. 3933 proven. 1587 refuted. 0 times theorem prover too weak. 9100 trivial. 0 not checked.
[2021-11-20 07:08:04,157 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:08:04,158 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028807352]
[2021-11-20 07:08:04,158 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028807352] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:08:04,158 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672063479]
[2021-11-20 07:08:04,159 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:08:04,159 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:08:04,159 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/z3
[2021-11-20 07:08:04,161 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:08:04,179 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1435da8-4de6-4e71-8b89-817302d8a47f/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-11-20 07:08:04,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:08:04,434 INFO  L263         TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 197 conjunts are in the unsatisfiable core
[2021-11-20 07:08:04,469 INFO  L286         TraceCheckSpWp]: Computing forward predicates...